Merge branch 'staging-next' into staging

158 files changed, 3043 insertions, 3230 deletions

diff --git a/pkgs/development/compilers/chicken/5/chicken.nix b/pkgs/development/compilers/chicken/5/chicken.nix
index 3e47e4136363..eefd8e35a272 100644
--- a/pkgs/development/compilers/chicken/5/chicken.nix
+++ b/pkgs/development/compilers/chicken/5/chicken.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, makeWrapper, bootstrap-chicken ? null }:
 
 let
-  version = "5.1.0";
+  version = "5.2.0";
   platform = with stdenv;
     if isDarwin then "macosx"
     else if isCygwin then "cygwin"
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "https://code.call-cc.org/releases/${version}/chicken-${version}.tar.gz";
-    sha256 = "0jsbp3kp0134f318j3wpd1n85gf8qzh034fn198gvazsv2l024aw";
+    sha256 = "1yl0hxm9cirgcp8jgxp6vv29lpswfvaw3zfkh6rsj0vkrv44k4c1";
   };
 
   setupHook = lib.ifEnable (bootstrap-chicken != null) ./setup-hook.sh;
diff --git a/pkgs/development/compilers/chicken/5/eggDerivation.nix b/pkgs/development/compilers/chicken/5/eggDerivation.nix
index 8d4a62776d0e..f5ed4b4b7f8b 100644
--- a/pkgs/development/compilers/chicken/5/eggDerivation.nix
+++ b/pkgs/development/compilers/chicken/5/eggDerivation.nix
@@ -31,8 +31,8 @@ stdenv.mkDerivation ({
     for f in $out/bin/*
     do
       wrapProgram $f \
-        --prefix CHICKEN_REPOSITORY_PATH : "$out/lib/chicken/${toString chicken.binaryVersion}/:$CHICKEN_REPOSITORY_PATH" \
-        --prefix CHICKEN_INCLUDE_PATH : "$CHICKEN_INCLUDE_PATH:$out/share/" \
+        --prefix CHICKEN_REPOSITORY_PATH : "$out/lib/chicken/${toString chicken.binaryVersion}:$CHICKEN_REPOSITORY_PATH" \
+        --prefix CHICKEN_INCLUDE_PATH : "$CHICKEN_INCLUDE_PATH:$out/share" \
         --prefix PATH : "$out/bin:${chicken}/bin:$CHICKEN_REPOSITORY_PATH"
     done
 
diff --git a/pkgs/development/compilers/chicken/5/eggs.nix b/pkgs/development/compilers/chicken/5/eggs.nix
index a35b1f058919..3c4ae74c1e66 100644
--- a/pkgs/development/compilers/chicken/5/eggs.nix
+++ b/pkgs/development/compilers/chicken/5/eggs.nix
@@ -19,12 +19,12 @@ rec {
   };
 
   matchable = eggDerivation {
-    name = "matchable-1.0";
+    name = "matchable-1.1";
 
     src = fetchegg {
       name = "matchable";
-      version = "1.0";
-      sha256 = "01vy2ppq3sq0wirvsvl3dh0bwa5jqs1i6rdjdd7pnwj4nncxd1ga";
+      version = "1.1";
+      sha256 = "084hm5dvbvgnpb32ispkp3hjili8z02hamln860r99jx68jx6j2v";
     };
 
     buildInputs = [
diff --git a/pkgs/development/compilers/chicken/5/setup-hook.sh b/pkgs/development/compilers/chicken/5/setup-hook.sh
index f5ebaaf638e3..55324c05508e 100644
--- a/pkgs/development/compilers/chicken/5/setup-hook.sh
+++ b/pkgs/development/compilers/chicken/5/setup-hook.sh
@@ -1,6 +1,6 @@
 addChickenRepositoryPath() {
-    addToSearchPathWithCustomDelimiter : CHICKEN_REPOSITORY_PATH "$1/lib/chicken/11/"
-    addToSearchPathWithCustomDelimiter : CHICKEN_INCLUDE_PATH "$1/share/"
+    addToSearchPathWithCustomDelimiter : CHICKEN_REPOSITORY_PATH "$1/lib/chicken/11"
+    addToSearchPathWithCustomDelimiter : CHICKEN_INCLUDE_PATH "$1/share"
 }
 
 addEnvHooks "$targetOffset" addChickenRepositoryPath
diff --git a/pkgs/development/compilers/elm/packages/elm-format.nix b/pkgs/development/compilers/elm/packages/elm-format.nix
index 3660e42e363b..e498b4b1494f 100644
--- a/pkgs/development/compilers/elm/packages/elm-format.nix
+++ b/pkgs/development/compilers/elm/packages/elm-format.nix
@@ -6,11 +6,11 @@
 }:
 mkDerivation {
   pname = "elm-format";
-  version = "0.8.2";
+  version = "0.8.3";
   src = fetchgit {
     url = "https://github.com/avh4/elm-format";
-    sha256 = "0ly37fszrfviwqgrww57ikdcr7i8lcpczhqm8xqp5s7mrlpdxv7z";
-    rev = "ab3627cce01e5556b3fe8c2b5e3d92b80bfc74af";
+    sha256 = "0n6lrqj6mq044hdyraj3ss5cg74dn8k4z05xmwn2apjpm146iaw8";
+    rev = "b97e3593d564a1e069c0a022da8cbd98ca2c5a4b";
   };
   postPatch = ''
     mkdir -p ./generated
@@ -18,7 +18,7 @@ mkDerivation {
     module Build_elm_format where
 
     gitDescribe :: String
-    gitDescribe = "0.8.2"
+    gitDescribe = "0.8.3"
     EOHS
   '';
   isLibrary = false;
diff --git a/pkgs/development/compilers/gleam/default.nix b/pkgs/development/compilers/gleam/default.nix
index 0af8a6cd42dd..9d2f828dfa6c 100644
--- a/pkgs/development/compilers/gleam/default.nix
+++ b/pkgs/development/compilers/gleam/default.nix
@@ -13,10 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ Security ];
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "0zfdsnrnxplvi4f92l7sqdp5yk5p738ra64m41izlcilkwj1j3vp";
+  cargoSha256 = "1vhra9v4jsy9hyhjrmxjy6rnraxz13h1b7l51xvbai5wxsxm7z8m";
 
   meta = with stdenv.lib; {
     description = "A statically typed language for the Erlang VM";
diff --git a/pkgs/development/compilers/kotlin/default.nix b/pkgs/development/compilers/kotlin/default.nix
index 6ad3f96bf59d..9a124ad84771 100644
--- a/pkgs/development/compilers/kotlin/default.nix
+++ b/pkgs/development/compilers/kotlin/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, makeWrapper, jre, unzip }:
 
 let
-  version = "1.3.61";
+  version = "1.3.70";
 in stdenv.mkDerivation {
   inherit version;
   pname = "kotlin";
 
   src = fetchurl {
     url = "https://github.com/JetBrains/kotlin/releases/download/v${version}/kotlin-compiler-${version}.zip";
-    sha256 = "073vb402b03llscgr298iih5lc3y1dn1qxyid2i9hiyrsld1a09r";
+    sha256 = "1iw9pjacjdhhvriaz2kzf677csq2nfx66k5cickk79h7ywppi7bh";
   };
 
   propagatedBuildInputs = [ jre ] ;
@@ -37,7 +37,7 @@ in stdenv.mkDerivation {
       It is developed by a team at JetBrains although it is an OSS language
       and has external contributors.
     '';
-    homepage = https://kotlinlang.org/;
+    homepage = "https://kotlinlang.org/";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers;
       [ nequissimus ];
diff --git a/pkgs/development/compilers/llvm/5/compiler-rt-sys-ustat.patch b/pkgs/development/compilers/llvm/5/compiler-rt-sys-ustat.patch
new file mode 100644
index 000000000000..d9e9a10d8600
--- /dev/null
+++ b/pkgs/development/compilers/llvm/5/compiler-rt-sys-ustat.patch
@@ -0,0 +1,58 @@
+From 521935db9de17ad08748fd050137ac83b7734835 Mon Sep 17 00:00:00 2001
+From: Craig Topper <craig.topper@intel.com>
+Date: Thu, 24 May 2018 17:59:47 +0000
+Subject: [PATCH] sanitizer: Use pre-computed size of struct ustat for Linux
+
+<sys/ustat.h> has been removed from glibc 2.28 by:
+
+commit cf2478d53ad7071e84c724a986b56fe17f4f4ca7
+Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
+Date: Sun Mar 18 11:28:59 2018 +0800
+
+Deprecate ustat syscall interface
+This patch uses pre-computed size of struct ustat for Linux to fix
+
+https://bugs.llvm.org/show_bug.cgi?id=37418
+
+Patch by H.J. Lu.
+
+Differential Revision: https://reviews.llvm.org/D47281
+
+git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@333213 91177308-0d34-0410-b5e6-96231b3b80d8
+---
+ .../sanitizer_platform_limits_posix.cc            | 15 +++++++++++++--
+ 1 file changed, 13 insertions(+), 2 deletions(-)
+
+diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+index 94b8f3f627..936d818673 100644
+--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
++++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+@@ -159,7 +159,6 @@ typedef struct user_fpregs elf_fpregset_t;
+ # include <sys/procfs.h>
+ #endif
+ #include <sys/user.h>
+-#include <sys/ustat.h>
+ #include <linux/cyclades.h>
+ #include <linux/if_eql.h>
+ #include <linux/if_plip.h>
+@@ -253,7 +252,19 @@ namespace __sanitizer {
+ #endif // SANITIZER_LINUX || SANITIZER_FREEBSD
+ 
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID
+-  unsigned struct_ustat_sz = sizeof(struct ustat);
++  // Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
++  // has been removed from glibc 2.28.
++#if defined(__aarch64__) || defined(__s390x__) || defined (__mips64) \
++  || defined(__powerpc64__) || defined(__arch64__) || defined(__sparcv9) \
++  || defined(__x86_64__)
++#define SIZEOF_STRUCT_USTAT 32
++#elif defined(__arm__) || defined(__i386__) || defined(__mips__) \
++  || defined(__powerpc__) || defined(__s390__)
++#define SIZEOF_STRUCT_USTAT 20
++#else
++#error Unknown size of struct ustat
++#endif
++  unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
+   unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
+   unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
+ #endif // SANITIZER_LINUX && !SANITIZER_ANDROID
diff --git a/pkgs/development/compilers/llvm/5/compiler-rt.nix b/pkgs/development/compilers/llvm/5/compiler-rt.nix
index 0282591b6e20..4740180eb294 100644
--- a/pkgs/development/compilers/llvm/5/compiler-rt.nix
+++ b/pkgs/development/compilers/llvm/5/compiler-rt.nix
@@ -16,7 +16,8 @@ stdenv.mkDerivation {
 
   patches = [
     ./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
-  ] ++ optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch;
+  ] ++ optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch
+    ++ optional (stdenv.hostPlatform.libc == "glibc") ./compiler-rt-sys-ustat.patch;
 
   # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
   # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
diff --git a/pkgs/development/compilers/ocaml/4.10.nix b/pkgs/development/compilers/ocaml/4.10.nix
index 234b2c446318..955cc3bebe2a 100644
--- a/pkgs/development/compilers/ocaml/4.10.nix
+++ b/pkgs/development/compilers/ocaml/4.10.nix
@@ -1,6 +1,6 @@
 import ./generic.nix {
   major_version = "4";
   minor_version = "10";
-  patch_version = "0+rc2";
-  sha256 = "1iv8x9xr4k2s1x1p4rj4fqdh2iwzhgi56lyshvh6gg224i14rkbz";
+  patch_version = "0";
+  sha256 = "1dzy7lbdapcmwn1wg8k87419khi54f8hb6n314bdv7v0gfqlswrh";
 }
diff --git a/pkgs/development/compilers/polyml/5.7-new-libffi-FFI_SYSV.patch b/pkgs/development/compilers/polyml/5.7-new-libffi-FFI_SYSV.patch
new file mode 100644
index 000000000000..c5c9846300f1
--- /dev/null
+++ b/pkgs/development/compilers/polyml/5.7-new-libffi-FFI_SYSV.patch
@@ -0,0 +1,34 @@
+For 5.7 the copyright header is different.
+
+From ad32de7f181acaffaba78d5c3d9e5aa6b84a741c Mon Sep 17 00:00:00 2001
+From: David Matthews <dm@prolingua.co.uk>
+Date: Sun, 7 Apr 2019 13:41:33 +0100
+Subject: [PATCH] Remove FFI_SYSV from abi table for X86/64 Unix.  It appears
+ that this has been removed in upstream versions of libffi and causes problems
+ when building using the system libffi.
+
+---
+ libpolyml/polyffi.cpp | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/libpolyml/polyffi.cpp b/libpolyml/polyffi.cpp
+index 5424dd84..3dc9cc7c 100644
+--- a/libpolyml/polyffi.cpp
++++ b/libpolyml/polyffi.cpp
+@@ -1,7 +1,7 @@
+ /*
+     Title:  New Foreign Function Interface
+
+-    Copyright (c) 2015  David C.J. Matthews
++    Copyright (c) 2015, 2019  David C.J. Matthews
+
+     This library is free software; you can redistribute it and/or
+     modify it under the terms of the GNU Lesser General Public
+@@ -109,7 +109,6 @@ static struct _abiTable { const char *abiName; ffi_abi abiCode; } abiTable[] =
+ #elif defined(X86_WIN64)
+     {"win64", FFI_WIN64},
+ #elif defined(X86_ANY)
+-    {"sysv", FFI_SYSV},
+     {"unix64", FFI_UNIX64},
+ #endif
+     { "default", FFI_DEFAULT_ABI}
diff --git a/pkgs/development/compilers/polyml/5.7.nix b/pkgs/development/compilers/polyml/5.7.nix
index db1c7613f65b..5b2d127f377f 100644
--- a/pkgs/development/compilers/polyml/5.7.nix
+++ b/pkgs/development/compilers/polyml/5.7.nix
@@ -8,6 +8,8 @@ stdenv.mkDerivation rec {
     substituteInPlace configure.ac --replace stdc++ c++
   '';
 
+  patches = [ ./5.7-new-libffi-FFI_SYSV.patch ];
+
   buildInputs = [ libffi gmp ];
 
   nativeBuildInputs = stdenv.lib.optional stdenv.isDarwin autoreconfHook;
@@ -33,6 +35,6 @@ stdenv.mkDerivation rec {
     homepage = https://www.polyml.org/;
     license = licenses.lgpl21;
     platforms = with platforms; (linux ++ darwin);
-    maintainers = with maintainers; [ maggesi yurrriq ];
+    maintainers = with maintainers; [ maggesi ];
   };
 }
diff --git a/pkgs/development/compilers/polyml/default.nix b/pkgs/development/compilers/polyml/default.nix
index 7be5fd993aef..dafcdc3d6868 100644
--- a/pkgs/development/compilers/polyml/default.nix
+++ b/pkgs/development/compilers/polyml/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, gmp, libffi }:
+{ stdenv, fetchFromGitHub, fetchpatch, autoreconfHook, gmp, libffi }:
 
 stdenv.mkDerivation rec {
   pname = "polyml";
@@ -8,6 +8,14 @@ stdenv.mkDerivation rec {
     substituteInPlace configure.ac --replace stdc++ c++
   '';
 
+  patches = [
+    (fetchpatch {
+      name = "new-libffi-FFI_SYSV.patch";
+      url = "https://github.com/polyml/polyml/commit/ad32de7f181acaffaba78d5c3d9e5aa6b84a741c.patch";
+      sha256 = "007q3r2h9kfh3c1nv0dyhipmak44q468ab9bwnz4kk4a2dq76n8v";
+    })
+  ];
+
   buildInputs = [ libffi gmp ];
 
   nativeBuildInputs = stdenv.lib.optional stdenv.isDarwin autoreconfHook;
@@ -33,6 +41,6 @@ stdenv.mkDerivation rec {
     homepage = https://www.polyml.org/;
     license = licenses.lgpl21;
     platforms = with platforms; (linux ++ darwin);
-    maintainers = with maintainers; [ maggesi yurrriq ];
+    maintainers = with maintainers; [ maggesi kovirobi ];
   };
 }
diff --git a/pkgs/development/coq-modules/coq-elpi/default.nix b/pkgs/development/coq-modules/coq-elpi/default.nix
index 56aa005c4a92..0dd8817ab3f3 100644
--- a/pkgs/development/coq-modules/coq-elpi/default.nix
+++ b/pkgs/development/coq-modules/coq-elpi/default.nix
@@ -2,9 +2,14 @@
 
 let params = {
   "8.10" = rec {
-    version = "1.1.0";
+    version = "1.3.0";
     rev = "v${version}";
-    sha256 = "06jyw7n27ylg02jvlaa3hs13hg8qgx47yn4dxhg9as1xri9a2rvm";
+    sha256 = "1bbadh4qmsm0c5qw41apf4k8va6d44rpw294mc6pg556nmma87ra";
+  };
+  "8.11" = rec {
+    version = "1.3.1";
+    rev = "v${version}";
+    sha256 = "06dg0i1jay9anhx68jfki5qs2g481n3s4q3m124qniyadlx80bh3";
   };
 };
   param = params.${coq.coq-version};
diff --git a/pkgs/development/coq-modules/paco/default.nix b/pkgs/development/coq-modules/paco/default.nix
index fee6de7b35bf..4c0ca4673005 100644
--- a/pkgs/development/coq-modules/paco/default.nix
+++ b/pkgs/development/coq-modules/paco/default.nix
@@ -19,13 +19,15 @@ let
     "8.7" = versions.post_8_6;
     "8.8" = versions.post_8_6;
     "8.9" = versions.post_8_6;
+    "8.10" = versions.post_8_6;
+    "8.11" = versions.post_8_6;
   };
   param = params.${coq.coq-version};
 in
 
 stdenv.mkDerivation rec {
   inherit (param) version;
-  name = "coq-paco-${coq.coq-version}-${version}";
+  name = "coq${coq.coq-version}-paco-${version}";
 
   src = fetchFromGitHub {
     inherit (param) rev sha256;
@@ -52,7 +54,7 @@ stdenv.mkDerivation rec {
   };
 
   passthru = {
-    compatibleCoqVersions = v: builtins.elem v [ "8.5" "8.6" "8.7" "8.8" "8.9" ];
+    compatibleCoqVersions = stdenv.lib.flip builtins.hasAttr params;
   };
 
 }
diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix
index 9ba25e09db93..17fb1ab8ae85 100644
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@@ -315,10 +315,10 @@ in package-set { inherit pkgs stdenv callPackage; } self // {
 
           in self.mkDerivation genericBuilderArgs;
 
-        envFuncArgs = builtins.removeAttrs args [ "packages" ];
-      in (combinedPackageFor packages).env.overrideAttrs (old: envFuncArgs // {
-        nativeBuildInputs = old.nativeBuildInputs ++ envFuncArgs.nativeBuildInputs or [];
-        buildInputs = old.buildInputs ++ envFuncArgs.buildInputs or [];
+        mkDerivationArgs = builtins.removeAttrs args [ "packages" "withHoogle" ];
+      in ((combinedPackageFor packages).envFunc { inherit withHoogle; }).overrideAttrs (old: mkDerivationArgs // {
+        nativeBuildInputs = old.nativeBuildInputs ++ mkDerivationArgs.nativeBuildInputs or [];
+        buildInputs = old.buildInputs ++ mkDerivationArgs.buildInputs or [];
       });
 
     ghc = ghc // {
diff --git a/pkgs/development/interpreters/icon-lang/default.nix b/pkgs/development/interpreters/icon-lang/default.nix
index 0d3fe100329c..d243ae9bc580 100644
--- a/pkgs/development/interpreters/icon-lang/default.nix
+++ b/pkgs/development/interpreters/icon-lang/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, libX11, libXt , withGraphics ? true }:
+{ stdenv, fetchFromGitHub, fetchpatch, libX11, libXt, withGraphics ? true }:
 
 stdenv.mkDerivation rec {
   pname = "icon-lang";
@@ -12,6 +12,18 @@ stdenv.mkDerivation rec {
 
   buildInputs = stdenv.lib.optionals withGraphics [ libX11 libXt ];
 
+  patches = [
+    # Patch on git master, likely won't be necessary in future release
+    (fetchpatch {
+      url = "https://github.com/gtownsend/icon/commit/bfc4a6004d0d3984c8066289b8d8e563640c4ddd.patch";
+      sha256 = "1pqapjghk10rb73a1mfflki2wipjy4kvnravhmrilkqzb9hd6v8m";
+      excludes = [
+        "doc/relnotes.htm"
+        "src/h/version.h"
+      ];
+    })
+  ];
+
   configurePhase =
     let
       _name = if stdenv.isDarwin then "macintosh" else "linux";
diff --git a/pkgs/development/interpreters/wasmtime/cargo-lock.patch b/pkgs/development/interpreters/wasmtime/cargo-lock.patch
deleted file mode 100644
index 3ce3f7659886..000000000000
--- a/pkgs/development/interpreters/wasmtime/cargo-lock.patch
+++ /dev/null
@@ -1,2282 +0,0 @@
-diff --git a/Cargo.lock b/Cargo.lock
-new file mode 100644
-index 00000000..818de492
---- /dev/null
-+++ b/Cargo.lock
-@@ -0,0 +1,2276 @@
-+# This file is automatically @generated by Cargo.
-+# It is not intended for manual editing.
-+[[package]]
-+name = "aho-corasick"
-+version = "0.7.6"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+dependencies = [
-+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-+]
-+
-+[[package]]
-+name = "ansi_term"
-+version = "0.11.0"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+dependencies = [
-+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-+]
-+
-+[[package]]
-+name = "anyhow"
-+version = "1.0.26"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+
-+[[package]]
-+name = "arrayref"
-+version = "0.3.5"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+
-+[[package]]
-+name = "arrayvec"
-+version = "0.4.12"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+dependencies = [
-+ "nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
-+]
-+
-+[[package]]
-+name = "arrayvec"
-+version = "0.5.1"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+
-+[[package]]
-+name = "atty"
-+version = "0.2.14"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+dependencies = [
-+ "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
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-+"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
-+"checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
-+"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-+"checksum walrus 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85ce93ab0c27412ba41d509f2410fa575ecbfdb4a6aba0e02e79e12c09745485"
-+"checksum walrus-macro 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8757b0da38353d55a9687f4dee68a8f441f980dd36e16ab07d6e6c673f505f76"
-+"checksum wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
-+"checksum wasm-webidl-bindings 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b5cae185868c6038a48f487b9af3766ee0c68d4a85fa3610c3a0522092b3cec1"
-+"checksum wasmparser 0.39.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c702914acda5feeeffbc29e4d953e5b9ce79d8b98da4dbf18a77086e116c5470"
-+"checksum wast 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "233648f540f07fce9b972436f2fbcae8a750c1121b6d32d949e1a44b4d9fc7b1"
-+"checksum wast 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8d1de68310854a9840d39487701a8c1acccb5c9f9f2650d5fce3cdfe6650c372"
-+"checksum wat 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "d916cc60b1b79ac1ca7683af8d6ec56b789167f7f696b3f1ab3d98961129f192"
-+"checksum which 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5475d47078209a02e60614f7ba5e645ef3ed60f771920ac1906d7c1cc65024c8"
-+"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
-+"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-+"checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
-+"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-+"checksum wincolor 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "96f5016b18804d24db43cebf3c77269e7569b8954a8464501c216cc5e070eaa9"
-+"checksum witx 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6d075344afebe51633c0302fc11698c2d6414f9d366c749db1af57710f112561"
-+"checksum zstd 0.5.1+zstd.1.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5c5d978b793ae64375b80baf652919b148f6a496ac8802922d9999f5a553194f"
-+"checksum zstd-safe 2.0.3+zstd.1.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bee25eac9753cfedd48133fa1736cbd23b774e253d89badbeac7d12b23848d3f"
-+"checksum zstd-sys 1.4.15+zstd.1.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "89719b034dc22d240d5b407fb0a3fe6d29952c181cff9a9f95c0bd40b4f8f7d8"
diff --git a/pkgs/development/interpreters/wasmtime/default.nix b/pkgs/development/interpreters/wasmtime/default.nix
index 08d583c54b43..eaecd1eb89b9 100644
--- a/pkgs/development/interpreters/wasmtime/default.nix
+++ b/pkgs/development/interpreters/wasmtime/default.nix
@@ -2,28 +2,25 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wasmtime";
-  version = "v0.8.0";
+  version = "v0.12.0";
 
   src = fetchFromGitHub {
     owner = "bytecodealliance";
     repo = "${pname}";
     rev = "${version}";
-    sha256 = "0az893srw49szvs5461bd165ffla4cc98gh42p3dwskwfkhpqjm4";
+    sha256 = "08dhk5s8rv41mjqbwfqwqmp6p6p9y7qc5yc76ljjd9l7j1phl7mr";
     fetchSubmodules = true;
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "08b3rbnl7qwyfbwaqcb7z84sh0h94v18v6557hrf0dlil414v54i";
-
-  cargoPatches = [ ./cargo-lock.patch ];
+  cargoSha256 = "0wqd2yy6ih1rcz1fq7x3aiqq1ma2nmif1w8r8x0vpxjxk395zil9";
 
   nativeBuildInputs = [ python cmake clang ];
   buildInputs = [ llvmPackages.libclang ] ++
    lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Security ];
   LIBCLANG_PATH = "${llvmPackages.libclang}/lib";
 
+  doCheck = false; # https://github.com/bytecodealliance/wasmtime/issues/1197
+
   meta = with lib; {
     description = "Standalone JIT-style runtime for WebAssembly, using Cranelift";
     homepage = https://github.com/CraneStation/wasmtime;
diff --git a/pkgs/development/libraries/doctest/default.nix b/pkgs/development/libraries/doctest/default.nix
index e55313bc9fe4..ae7eca92712c 100644
--- a/pkgs/development/libraries/doctest/default.nix
+++ b/pkgs/development/libraries/doctest/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "doctest";
-  version = "2.3.5";
+  version = "2.3.7";
 
   src = fetchFromGitHub {
     owner = "onqtam";
     repo = "doctest";
     rev = version;
-    sha256 = "0rddlzhnv0f5036q0m0p019pismka7sx6x8cnzk65sk77b1dsbhg";
+    sha256 = "134lx7pjnglrl4wdmyr9dz3rjb6d4ir6rvapg00gp52n44dbhnrq";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/development/libraries/enchant/2.x.nix b/pkgs/development/libraries/enchant/2.x.nix
index c92afee6dc94..65d85eddbe40 100644
--- a/pkgs/development/libraries/enchant/2.x.nix
+++ b/pkgs/development/libraries/enchant/2.x.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation rec {
   pname = "enchant";
-  version = "2.2.7";
+  version = "2.2.8";
 
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
     url = "https://github.com/AbiWord/${pname}/releases/download/v${version}/${pname}-${version}.tar.gz";
-    sha256 = "029smcna98hllgkm2gy94qa7qphxs4xaa8cdbg5kaaw16mhrf8hv";
+    sha256 = "0m9m564qqwbssvvf7y3dlz1yxzqsjiqy1yd2zsmb3l0d7y2y5df7";
   };
 
   nativeBuildInputs = [
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Generic spell checking library";
-    homepage = https://abiword.github.io/enchant/;
+    homepage = "https://abiword.github.io/enchant/";
     license = licenses.lgpl21Plus; # with extra provision for non-free checkers
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/folks/default.nix b/pkgs/development/libraries/folks/default.nix
index 6179ea983e33..89b7938de1e4 100644
--- a/pkgs/development/libraries/folks/default.nix
+++ b/pkgs/development/libraries/folks/default.nix
@@ -23,6 +23,9 @@
 , python3
 , readline
 , gtk3
+, gtk-doc
+, docbook-xsl-nons
+, docbook_xml_dtd_43
 }:
 
 # TODO: enable more folks backends
@@ -31,7 +34,7 @@ stdenv.mkDerivation rec {
   pname = "folks";
   version = "0.13.2";
 
-  outputs = [ "out" "dev" ];
+  outputs = [ "out" "dev" "devdoc" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
@@ -39,14 +42,16 @@ stdenv.mkDerivation rec {
   };
 
   mesonFlags = [
-    # TODO: https://gitlab.gnome.org/GNOME/folks/issues/108
-    "-Ddocs=false"
+    "-Ddocs=true"
   ];
 
   nativeBuildInputs = [
     gettext
     gobject-introspection
     gtk3
+    gtk-doc
+    docbook-xsl-nons
+    docbook_xml_dtd_43
     meson
     ninja
     pkgconfig
@@ -75,10 +80,16 @@ stdenv.mkDerivation rec {
 
   checkInputs = [
     dbus
+    (python3.withPackages (pp: with pp; [
+      python-dbusmock
+      # The following possibly need to be propagated by dbusmock
+      # if they are not optional
+      dbus-python
+      pygobject3
+    ]))
   ];
 
-  # TODO: enable tests
-  # doCheck = true;
+  doCheck = true;
 
   postPatch = ''
     chmod +x meson_post_install.py
diff --git a/pkgs/development/libraries/getdns/default.nix b/pkgs/development/libraries/getdns/default.nix
index 721245ceb6d7..c0268c161aeb 100644
--- a/pkgs/development/libraries/getdns/default.nix
+++ b/pkgs/development/libraries/getdns/default.nix
@@ -1,24 +1,20 @@
-{ stdenv, fetchurl, libtool, unbound, libidn, m4, file
-, openssl, doxygen, autoreconfHook, automake }:
+{ stdenv, fetchurl, unbound, libidn2, openssl, doxygen, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "getdns";
-  version = "1.5.2";
+  version = "1.6.0";
   versionRewrite = builtins.splitVersion version;
 
   src = fetchurl {
-    url = "https://getdnsapi.net/releases/${pname}-${builtins.concatStringsSep "-" versionRewrite}/${pname}-${version}.tar.gz";
-    sha256 = "1h4l0sbkpiahpx2pd5lby10yi22mdxgx5xf1y80r77pa46iac9hq";
+    url = "https://getdnsapi.net/releases/${pname}-${
+        builtins.concatStringsSep "-" versionRewrite
+      }/${pname}-${version}.tar.gz";
+    sha256 = "0jhg7258wz287kjymimvdvv04n69lwxdc3sb62l2p453f5s77ra0";
   };
 
-  nativeBuildInputs = [ libtool m4 autoreconfHook automake file ];
+  nativeBuildInputs = [ cmake ];
 
-  buildInputs = [ unbound libidn openssl doxygen ];
-
-  patchPhase = ''
-    substituteInPlace m4/acx_openssl.m4 \
-      --replace /usr/local/ssl ${openssl.dev}
-    '';
+  buildInputs = [ unbound libidn2 openssl doxygen ];
 
   meta = with stdenv.lib; {
     description = "A modern asynchronous DNS API";
@@ -32,9 +28,9 @@ stdenv.mkDerivation rec {
       interface that enables end-to-end trust in the DNS architecture, and which will
       inspire application developers to implement innovative security solutions in
       their applications.
-'';
-    homepage = https://getdnsapi.net;
-    maintainers = with maintainers; [ leenaars ];
+    '';
+    homepage = "https://getdnsapi.net";
+    maintainers = with maintainers; [ leenaars ehmry ];
     license = licenses.bsd3;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/gom/default.nix b/pkgs/development/libraries/gom/default.nix
index e006f8cd6f8e..2d5133afab4d 100644
--- a/pkgs/development/libraries/gom/default.nix
+++ b/pkgs/development/libraries/gom/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , fetchurl
-, fetchpatch
 , meson
 , ninja
 , pkgconfig
@@ -14,26 +13,16 @@
 
 stdenv.mkDerivation rec {
   pname = "gom";
-  version = "0.3.3";
+  version = "0.4";
 
   outputs = [ "out" "py" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "1n1n226dyb3q98216aah87in9hhjcwsbpspsdqqfswz2bx5y6mxc";
+    sha256 = "aNCABqqjtYFpznzxg5SY9FaG+6gRXwms7Lidd+EBip0=";
   };
 
   patches = [
-    # Needed to apply the next patch
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/gom/commit/e8b7c314ce61d459132cf03c9e455d2a01fdc6ea.patch";
-      sha256 = "0d7g3nm5lrfhfx9ly8qgf5bfp12kvr7m1xmlgin2q8vqpn0r2ggp";
-    })
-    # https://gitlab.gnome.org/GNOME/gom/merge_requests/3
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/worldofpeace/gom/commit/b621c15600b1c32826c9878565eb2398a50907f2.patch";
-      sha256 = "1hqck9bb7sxn4akisnn26sbddlphjsavgksick5k4h3rsc0xwx1v";
-    })
     ./longer-stress-timeout.patch
   ];
 
diff --git a/pkgs/development/libraries/gsasl/default.nix b/pkgs/development/libraries/gsasl/default.nix
index 899aa116b2ca..c5e1deea6e12 100644
--- a/pkgs/development/libraries/gsasl/default.nix
+++ b/pkgs/development/libraries/gsasl/default.nix
@@ -12,16 +12,19 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--with-gssapi-impl=mit" ];
 
+  preCheck = ''
+    export LOCALDOMAIN="dummydomain"
+  '';
   doCheck = !stdenv.hostPlatform.isDarwin;
 
   meta = {
     description = "GNU SASL, Simple Authentication and Security Layer library";
 
     longDescription =
-      '' GNU SASL is a library that implements the IETF Simple 
-         Authentication and Security Layer (SASL) framework and 
-         some SASL mechanisms. SASL is used in network servers 
-         (e.g. IMAP, SMTP, etc.) to authenticate peers. 
+      '' GNU SASL is a library that implements the IETF Simple
+         Authentication and Security Layer (SASL) framework and
+         some SASL mechanisms. SASL is used in network servers
+         (e.g. IMAP, SMTP, etc.) to authenticate peers.
        '';
 
     homepage = https://www.gnu.org/software/gsasl/;
diff --git a/pkgs/development/libraries/gtk/3.x.nix b/pkgs/development/libraries/gtk/3.x.nix
index 7caf32921de3..9f381c5ac708 100644
--- a/pkgs/development/libraries/gtk/3.x.nix
+++ b/pkgs/development/libraries/gtk/3.x.nix
@@ -77,9 +77,6 @@ stdenv.mkDerivation rec {
     # let’s drop that dependency in similar way to how other parts of the library do it
     # e.g. https://gitlab.gnome.org/GNOME/gtk/blob/3.24.4/gtk/gtk-launch.c#L31-33
     ./patches/3.0-darwin-x11.patch
-    # 3.24.13 failed to ship a header file
-    # https://gitlab.gnome.org/GNOME/gtk/issues/2279
-    ./patches/missing-header.patch
   ];
 
   separateDebugInfo = stdenv.isLinux;
diff --git a/pkgs/development/libraries/gtk/patches/missing-header.patch b/pkgs/development/libraries/gtk/patches/missing-header.patch
deleted file mode 100644
index 49eb51dae9af..000000000000
--- a/pkgs/development/libraries/gtk/patches/missing-header.patch
+++ /dev/null
@@ -1,56 +0,0 @@
-diff --git a/gdk/quartz/gdkquartz-gtk-only.h b/gdk/quartz/gdkquartz-gtk-only.h
-new file mode 100644
-index 0000000000000000000000000000000000000000..193686c041971e4d8b3a1bc6bb2a79d8ba6e9a70
---- /dev/null
-+++ b/gdk/quartz/gdkquartz-gtk-only.h
-@@ -0,0 +1,50 @@
-+/* gdkquartz-gtk-only.h
-+ *
-+ * Copyright (C) 2005-2007 Imendio AB
-+ *
-+ * This library is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU Lesser General Public
-+ * License as published by the Free Software Foundation; either
-+ * version 2 of the License, or (at your option) any later version.
-+ *
-+ * This library is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-+ * Lesser General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU Lesser General Public
-+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
-+ */
-+
-+#ifndef __GDK_QUARTZ_GTK_ONLY_H__
-+#define __GDK_QUARTZ_GTK_ONLY_H__
-+
-+#if !(defined (GTK_COMPILATION) || defined (GDK_COMPILATION))
-+#error "This API is for use only in Gtk internal code."
-+#endif
-+
-+#include <Appkit/Appkit.h>
-+#include <gdk/gdk.h>
-+#include <gdk/quartz/gdkquartz.h>
-+
-+/* Drag and Drop/Clipboard */
-+GDK_AVAILABLE_IN_ALL
-+GdkAtom   gdk_quartz_pasteboard_type_to_atom_libgtk_only        (NSString       *type);
-+GDK_AVAILABLE_IN_ALL
-+NSString *gdk_quartz_target_to_pasteboard_type_libgtk_only      (const gchar    *target);
-+GDK_AVAILABLE_IN_ALL
-+NSString *gdk_quartz_atom_to_pasteboard_type_libgtk_only        (GdkAtom         atom);
-+
-+/* Utilities */
-+GDK_AVAILABLE_IN_ALL
-+NSImage  *gdk_quartz_pixbuf_to_ns_image_libgtk_only (GdkPixbuf *pixbuf);
-+GDK_AVAILABLE_IN_ALL
-+NSEvent  *gdk_quartz_event_get_nsevent              (GdkEvent  *event);
-+
-+/* Window */
-+GDK_AVAILABLE_IN_ALL
-+NSWindow *gdk_quartz_window_get_nswindow            (GdkWindow *window);
-+GDK_AVAILABLE_IN_ALL
-+NSView   *gdk_quartz_window_get_nsview              (GdkWindow *window);
-+
-+#endif
diff --git a/pkgs/development/libraries/howard-hinnant-date/default.nix b/pkgs/development/libraries/howard-hinnant-date/default.nix
index 30e5c92b8f09..185af3dff319 100644
--- a/pkgs/development/libraries/howard-hinnant-date/default.nix
+++ b/pkgs/development/libraries/howard-hinnant-date/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, curl, fetchpatch }:
+{ stdenv, fetchFromGitHub, cmake, curl, tzdata, fetchpatch, substituteAll }:
 
 stdenv.mkDerivation rec {
   pname = "howard-hinnant-date-unstable";
@@ -16,6 +16,13 @@ stdenv.mkDerivation rec {
       url = "https://github.com/HowardHinnant/date/commit/e56b2dce7e89a92e1b9b35caa13b3e938c4cedea.patch";
       sha256 = "0m3qbhq7kmm9qa3jm6d2px7c1dxdj5k9lffgdvqnrwmhxwj1p9n2";
     })
+    # Without this patch, this library will drop a `tzdata` directory into
+    # `~/Downloads` if it cannot find `/usr/share/zoneinfo`. Make the path it
+    # searches for `zoneinfo` be the one from the `tzdata` package.
+    (substituteAll {
+      src = ./make-zoneinfo-available.diff;
+      inherit tzdata;
+    })
   ];
 
   nativeBuildInputs = [ cmake ];
@@ -24,6 +31,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-DBUILD_TZ_LIB=true"
     "-DBUILD_SHARED_LIBS=true"
+    "-DUSE_SYSTEM_TZ_DB=true"
   ];
 
   outputs = [ "out" "dev" ];
diff --git a/pkgs/development/libraries/howard-hinnant-date/make-zoneinfo-available.diff b/pkgs/development/libraries/howard-hinnant-date/make-zoneinfo-available.diff
new file mode 100644
index 000000000000..f9e69ff38cbb
--- /dev/null
+++ b/pkgs/development/libraries/howard-hinnant-date/make-zoneinfo-available.diff
@@ -0,0 +1,13 @@
+diff --git a/src/tz.cpp b/src/tz.cpp
+index 68436c3..2bfe19e 100644
+--- a/src/tz.cpp
++++ b/src/tz.cpp
+@@ -349,7 +349,7 @@ discover_tz_dir()
+     struct stat sb;
+     using namespace std;
+ #  ifndef __APPLE__
+-    CONSTDATA auto tz_dir_default = "/usr/share/zoneinfo";
++    CONSTDATA auto tz_dir_default = "@tzdata@/share/zoneinfo";
+     CONSTDATA auto tz_dir_buildroot = "/usr/share/zoneinfo/uclibc";
+ 
+     // Check special path which is valid for buildroot with uclibc builds
diff --git a/pkgs/development/libraries/libabigail/default.nix b/pkgs/development/libraries/libabigail/default.nix
index dc19adfb6a66..168ce0c9e571 100644
--- a/pkgs/development/libraries/libabigail/default.nix
+++ b/pkgs/development/libraries/libabigail/default.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libabigail";
-  version = "1.6";
+  version = "1.7";
 
   outputs = [ "bin" "out" "dev" ];
 
   src = fetchurl {
     url = "https://mirrors.kernel.org/sourceware/${pname}/${pname}-${version}.tar.gz";
-    sha256 = "04j07lhvwbp6qp8pdwbf7iqnr7kgpabmqylsw4invpmzwnyp6g6g";
+    sha256 = "0bf8w01l6wm7mm4clfg5rqi30m1ws11qqa4bp2vxghfwgi9ai8i7";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/libamqpcpp/default.nix b/pkgs/development/libraries/libamqpcpp/default.nix
index 315d3f499560..bdf081222b6d 100644
--- a/pkgs/development/libraries/libamqpcpp/default.nix
+++ b/pkgs/development/libraries/libamqpcpp/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libamqpcpp";
-  version = "4.1.5";
+  version = "4.1.6";
 
   src = fetchFromGitHub {
     owner = "CopernicaMarketingSoftware";
     repo = "AMQP-CPP";
     rev = "v${version}";
-    sha256 = "1jyvpa68wymnn8wnh8i59pa9kdbixv86mh8q338agnwkmzvlgm58";
+    sha256 = "0cw1apj4qxfxpp0gz4my4656d5ijjj6s2y4rjahhj67h10qj4bd2";
   };
 
   buildInputs = [ openssl ];
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for communicating with a RabbitMQ server";
-    homepage = https://github.com/CopernicaMarketingSoftware/AMQP-CPP;
+    homepage = "https://github.com/CopernicaMarketingSoftware/AMQP-CPP";
     license = licenses.asl20;
     maintainers = [ maintainers.mjp ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libgdata/default.nix b/pkgs/development/libraries/libgdata/default.nix
index 6830d47df74b..91bb9869f3c6 100644
--- a/pkgs/development/libraries/libgdata/default.nix
+++ b/pkgs/development/libraries/libgdata/default.nix
@@ -12,7 +12,6 @@
 , gcr
 , gnome-online-accounts
 , gobject-introspection
-, liboauth
 , gnome3
 , p11-kit
 , openssl
@@ -22,13 +21,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libgdata";
-  version = "0.17.11";
+  version = "0.17.12";
 
   outputs = [ "out" "dev" "installedTests" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "11m99sh2k679rnsvqsi95s1l0r8lkvj61dmwg1pnxvsd5q91g6bb";
+    sha256 = "0613nihsvwvdnmlbjnwi8zqxgmpwyxdapzznq4cy1fp84246zzd0";
   };
 
   patches = [
@@ -47,7 +46,6 @@ stdenv.mkDerivation rec {
   buildInputs = [
     gcr
     glib
-    liboauth
     libsoup
     libxml2
     openssl
@@ -80,7 +78,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GData API library";
-    homepage = https://wiki.gnome.org/Projects/libgdata;
+    homepage = "https://wiki.gnome.org/Projects/libgdata";
     maintainers = with maintainers; [ raskin lethalman ] ++ gnome3.maintainers;
     platforms = platforms.linux;
     license = licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/libgpod/default.nix b/pkgs/development/libraries/libgpod/default.nix
index 063588e9f1e5..5c25a4d5abf6 100644
--- a/pkgs/development/libraries/libgpod/default.nix
+++ b/pkgs/development/libraries/libgpod/default.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, fetchurl, gettext, perlPackages, intltool, pkgconfig, glib,
   libxml2, sqlite, zlib, sg3_utils, gdk-pixbuf, taglib,
-  libimobiledevice, mutagen,
+  libimobiledevice,
   monoSupport ? false, mono, gtk-sharp-2_0
 }:
 
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   dontStrip = true;
 
   propagatedBuildInputs = [ glib libxml2 sqlite zlib sg3_utils
-    gdk-pixbuf taglib libimobiledevice  mutagen ];
+    gdk-pixbuf taglib libimobiledevice ];
 
   nativeBuildInputs = [ gettext intltool pkgconfig ]
     ++ (with perlPackages; [ perl XMLParser ])
diff --git a/pkgs/development/libraries/libite/default.nix b/pkgs/development/libraries/libite/default.nix
index 34ca7406d697..26d7e1e961d4 100644
--- a/pkgs/development/libraries/libite/default.nix
+++ b/pkgs/development/libraries/libite/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libite";
-  version = "2.1.0";
+  version = "2.1.2";
 
   src = fetchFromGitHub {
     owner = "troglobit";
     repo = "libite";
     rev = "v${version}";
-    sha256 = "0fi3j3y37id24cgy3868pyvxkd6mvbbraalvpm99f5dhrxdlv961";
+    sha256 = "0pvki6cm3ia27nsd6dljddjgz1bd6avf6c0ppj63fa3sz52lfmga";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
diff --git a/pkgs/development/libraries/liblouis/default.nix b/pkgs/development/libraries/liblouis/default.nix
index 932edd20e9a6..83d08dc019bf 100644
--- a/pkgs/development/libraries/liblouis/default.nix
+++ b/pkgs/development/libraries/liblouis/default.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation rec {
   pname = "liblouis";
-  version = "3.12.0";
+  version = "3.13.0";
 
   src = fetchFromGitHub {
     owner = "liblouis";
     repo = "liblouis";
     rev = "v${version}";
-    sha256 = "0sw7iwb9158z7jslxj9jwh2vqbg0q8wq6fbmk9iz7sfkjqhi80hv";
+    sha256 = "1srpafxdw4627lyv92cn8wd9zda3507qpp5s2z66bsln8jnb1mza";
   };
 
   outputs = [ "out" "dev" "man" "info" "doc" ];
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open-source braille translator and back-translator";
-    homepage = http://liblouis.org/;
+    homepage = "http://liblouis.org/";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libmypaint/default.nix b/pkgs/development/libraries/libmypaint/default.nix
index 32251afffde5..409867695fc0 100644
--- a/pkgs/development/libraries/libmypaint/default.nix
+++ b/pkgs/development/libraries/libmypaint/default.nix
@@ -12,7 +12,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libmypaint";
-  version = "1.5.0";
+  version = "1.5.1";
 
   outputs = [ "out" "dev" ];
 
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     owner = "mypaint";
     repo = "libmypaint";
     rev = "v${version}";
-    sha256 = "06szsadj589vlvn33gzybygdknsaahr4cpigh2xyg8mr3h9ngqrl";
+    sha256 = "1pxx8fjdabcindxhzgbhg4p7yanl4ihbd8kq71y2nyi9dqsjr2fw";
   };
 
   nativeBuildInputs = [
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
   preConfigure = "./autogen.sh";
 
   meta = with stdenv.lib; {
-    homepage = http://mypaint.org/;
+    homepage = "http://mypaint.org/";
     description = "Library for making brushstrokes which is used by MyPaint and other projects";
     license = licenses.isc;
     maintainers = with maintainers; [ goibhniu jtojnar ];
diff --git a/pkgs/development/libraries/libvmaf/default.nix b/pkgs/development/libraries/libvmaf/default.nix
index 82c76f7ea372..fb494909c838 100644
--- a/pkgs/development/libraries/libvmaf/default.nix
+++ b/pkgs/development/libraries/libvmaf/default.nix
@@ -1,33 +1,28 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, intltool, libtool, pkgconfig }:
+{ stdenv, fetchFromGitHub, meson, ninja }:
 
 stdenv.mkDerivation rec {
   pname = "libvmaf";
-  version = "1.3.15";
+  version = "1.5.1";
 
   src = fetchFromGitHub {
     owner = "netflix";
     repo = "vmaf";
     rev = "v${version}";
-    sha256="10kgcdf06hzhbl5r7zsllq88bxbyn282hfqx5i3hkp66fpq896d2";
+    sha256 = "10fw53k9k4aq4p2qi5qkfjfnhldw4p5bbmxggf8220gfa95nvyl3";
   };
 
-  nativeBuildInputs = [ autoconf automake intltool libtool pkgconfig ];
+  sourceRoot = "source/libvmaf";
+
+  nativeBuildInputs = [ meson ninja ];
   outputs = [ "out" "dev" ];
   doCheck = true;
 
-  postFixup = ''
-    substituteInPlace "$dev/lib/pkgconfig/libvmaf.pc" \
-      --replace "includedir=/usr/local/include" "includedir=$dev"
-  '';
-
-  makeFlags = [ "INSTALL_PREFIX=${placeholder "out"}" ];
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/Netflix/vmaf";
     description = "Perceptual video quality assessment based on multi-method fusion (VMAF)";
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     license = licenses.asl20;
-    maintainers = [ maintainers.cfsmp3 ];
+    maintainers = [ maintainers.cfsmp3 maintainers.marsam ];
   };
 
 }
diff --git a/pkgs/development/libraries/libyaml-cpp/default.nix b/pkgs/development/libraries/libyaml-cpp/default.nix
index 3d0a94a35d0b..cf880ef1e16c 100644
--- a/pkgs/development/libraries/libyaml-cpp/default.nix
+++ b/pkgs/development/libraries/libyaml-cpp/default.nix
@@ -11,6 +11,13 @@ stdenv.mkDerivation rec {
     sha256 = "0ykkxzxcwwiv8l8r697gyqh1nl582krpvi7m7l6b40ijnk4pw30s";
   };
 
+  # implement https://github.com/jbeder/yaml-cpp/commit/52a1378e48e15d42a0b755af7146394c6eff998c
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace 'option(YAML_BUILD_SHARED_LIBS "Build Shared Libraries" OFF)' \
+                'option(YAML_BUILD_SHARED_LIBS "Build yaml-cpp shared library" ''${BUILD_SHARED_LIBS})'
+  '';
+
   nativeBuildInputs = [ cmake ];
 
   cmakeFlags = [ "-DBUILD_SHARED_LIBS=ON" "-DYAML_CPP_BUILD_TESTS=OFF" ];
diff --git a/pkgs/development/libraries/lyra/default.nix b/pkgs/development/libraries/lyra/default.nix
index 3e73c9266a03..e7227ac63885 100644
--- a/pkgs/development/libraries/lyra/default.nix
+++ b/pkgs/development/libraries/lyra/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "lyra";
-  version = "1.1";
+  version = "1.3";
 
   src = fetchFromGitHub {
     owner = "bfgroup";
     repo = "lyra";
     rev = version;
-    sha256 = "1wcwsmg41bmjir6pjrjxrwccqj25d9068ifi9m6xz6q3fhaq6s81";
+    sha256 = "0rpk1hadfcvjps5k307sddv23q73m2918wclfxfi6mj8l7gwkcn9";
   };
 
   nativeBuildInputs = [ meson ninja ];
diff --git a/pkgs/development/libraries/neatvnc/default.nix b/pkgs/development/libraries/neatvnc/default.nix
new file mode 100644
index 000000000000..127f25a50bea
--- /dev/null
+++ b/pkgs/development/libraries/neatvnc/default.nix
@@ -0,0 +1,37 @@
+{ stdenv, fetchFromGitHub, meson, pkg-config, ninja
+, pixman, libuv, gnutls, libdrm
+# libjpeg_turbo: Optional, for tight encoding (disabled because experimental)
+, enableCpuAcceleration ? false # Whether to use CPU extensions (e.g. AVX)
+}:
+
+stdenv.mkDerivation rec {
+  pname = "neatvnc";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "any1";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "04wcpwxlcf0bczcs97j21346mn6finfj7xgc2dsrwrw9xq8qa7wc";
+  };
+
+  nativeBuildInputs = [ meson pkg-config ninja ];
+  buildInputs = [ pixman libuv gnutls libdrm ];
+
+  patches = stdenv.lib.optional (!enableCpuAcceleration) ./disable-cpu-acceleration.patch;
+
+  meta = with stdenv.lib; {
+    description = "A VNC server library";
+    longDescription = ''
+      This is a liberally licensed VNC server library that's intended to be
+      fast and neat. Goals:
+      - Speed
+      - Clean interface
+      - Interoperability with the Freedesktop.org ecosystem
+    '';
+    inherit (src.meta) homepage;
+    license = licenses.isc;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ primeos ];
+  };
+}
diff --git a/pkgs/development/libraries/neatvnc/disable-cpu-acceleration.patch b/pkgs/development/libraries/neatvnc/disable-cpu-acceleration.patch
new file mode 100644
index 000000000000..97b77c02df48
--- /dev/null
+++ b/pkgs/development/libraries/neatvnc/disable-cpu-acceleration.patch
@@ -0,0 +1,17 @@
+diff --git a/meson.build b/meson.build
+index 31dd8b8..8761087 100644
+--- a/meson.build
++++ b/meson.build
+@@ -21,12 +21,6 @@ endif
+ 
+ cpu = host_machine.cpu_family()
+ 
+-if cpu == 'x86_64'
+-	c_args += '-mavx'
+-elif cpu == 'arm'
+-	c_args += '-mfpu=neon'
+-endif
+-
+ add_project_arguments(c_args, language: 'c')
+ 
+ cc = meson.get_compiler('c')
diff --git a/pkgs/development/libraries/pipewire/default.nix b/pkgs/development/libraries/pipewire/default.nix
index 3efbea97c5e9..094e90fd500d 100644
--- a/pkgs/development/libraries/pipewire/default.nix
+++ b/pkgs/development/libraries/pipewire/default.nix
@@ -1,16 +1,36 @@
-{ stdenv, fetchFromGitHub, meson, ninja, pkgconfig, doxygen, graphviz, valgrind
-, glib, dbus, gst_all_1, alsaLib, ffmpeg, libjack2, udev, libva, xorg
-, sbc, SDL2, makeFontsConf
+{ stdenv
+, fetchFromGitHub
+, meson
+, ninja
+, pkgconfig
+, doxygen
+, graphviz
+, valgrind
+, glib
+, dbus
+, gst_all_1
+, alsaLib
+, ffmpeg
+, libjack2
+, udev
+, libva
+, xorg
+, sbc
+, SDL2
+, makeFontsConf
 }:
 
 let
   fontsConf = makeFontsConf {
-    fontDirectories = [ ];
+    fontDirectories = [];
   };
-in stdenv.mkDerivation rec {
+in
+stdenv.mkDerivation rec {
   pname = "pipewire";
   version = "0.2.7";
 
+  outputs = [ "out" "lib" "dev" "doc" ];
+
   src = fetchFromGitHub {
     owner = "PipeWire";
     repo = "pipewire";
@@ -18,14 +38,28 @@ in stdenv.mkDerivation rec {
     sha256 = "1q5wrqnhhs6r49p8yvkw1pl0cnsd4rndxy4h5lvdydwgf1civcwc";
   };
 
-  outputs = [ "out" "lib" "dev" "doc" ];
-
   nativeBuildInputs = [
-    meson ninja pkgconfig doxygen graphviz valgrind
+    doxygen
+    graphviz
+    meson
+    ninja
+    pkgconfig
+    valgrind
   ];
+
   buildInputs = [
-    glib dbus gst_all_1.gst-plugins-base gst_all_1.gstreamer
-    alsaLib ffmpeg libjack2 udev libva xorg.libX11 sbc SDL2
+    SDL2
+    alsaLib
+    dbus
+    ffmpeg
+    glib
+    gst_all_1.gst-plugins-base
+    gst_all_1.gstreamer
+    libjack2
+    libva
+    sbc
+    udev
+    xorg.libX11
   ];
 
   mesonFlags = [
diff --git a/pkgs/development/libraries/tdlib/default.nix b/pkgs/development/libraries/tdlib/default.nix
index 5224744c6a2c..4bf49e297e33 100644
--- a/pkgs/development/libraries/tdlib/default.nix
+++ b/pkgs/development/libraries/tdlib/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     description = "Cross-platform library for building Telegram clients";
     homepage = "https://core.telegram.org/tdlib/";
     license = [ licenses.boost ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = [ maintainers.vyorkin ];
   };
 }
diff --git a/pkgs/development/libraries/zimg/default.nix b/pkgs/development/libraries/zimg/default.nix
index 75f10f94fb38..f5913137e1c2 100644
--- a/pkgs/development/libraries/zimg/default.nix
+++ b/pkgs/development/libraries/zimg/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "zimg";
-  version = "2.9.2";
+  version = "2.9.3";
 
   src = fetchFromGitHub {
     owner  = "sekrit-twc";
     repo   = "zimg";
     rev    = "release-${version}";
-    sha256 = "0jlgrlfs9maixd8mx7gk2kfawz8ixnihkxi7vhyzfy1gq49vmxm2";
+    sha256 = "1dqyrq3p8bkgvj4ci50ac342hjnhyz6xxvhiwp7wpi3v3nbj7s02";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Scaling, colorspace conversion and dithering library";
-    homepage    = https://github.com/sekrit-twc/zimg;
+    homepage    = "https://github.com/sekrit-twc/zimg";
     license     = licenses.wtfpl;
     platforms   = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ rnhmjoj ];
diff --git a/pkgs/development/mobile/androidenv/generated/packages.nix b/pkgs/development/mobile/androidenv/generated/packages.nix
index db1f7f1b8d32..fc9f50e13164 100644
--- a/pkgs/development/mobile/androidenv/generated/packages.nix
+++ b/pkgs/development/mobile/androidenv/generated/packages.nix
@@ -1504,6 +1504,23 @@
     };
   };
   
+  "platforms"."29" = {
+    
+    name = "platforms";
+    path = "platforms/android-29";
+    revision = "29";
+    displayName = "Android SDK Platform 29";
+    archives = {
+      
+        all = fetchurl {
+          url = https://dl.google.com/android/repository/platform-29_r03.zip;
+          sha1 = "670e2e104333dae90e16ea3b615f0b63da5883ae";
+        };
+      
+    };
+  };
+
+
   "platforms"."3" = {
     
     name = "platforms";
diff --git a/pkgs/development/mobile/titaniumenv/default.nix b/pkgs/development/mobile/titaniumenv/default.nix
index c85eab108ffc..5e0f943a158d 100644
--- a/pkgs/development/mobile/titaniumenv/default.nix
+++ b/pkgs/development/mobile/titaniumenv/default.nix
@@ -1,9 +1,10 @@
-{pkgs, androidenv, xcodeenv, tiVersion ? "8.2.1.GA"}:
+{pkgs, androidenv, xcodeenv, tiVersion ? "8.3.2.GA"}:
 
 rec {
   titaniumsdk = let
     titaniumSdkFile = if tiVersion == "8.2.1.GA" then ./titaniumsdk-8.2.nix
       else if tiVersion == "7.5.1.GA" then ./titaniumsdk-7.5.nix
+      else if tiVersion == "8.3.2.GA" then ./titaniumsdk-8.3.nix
       else throw "Titanium version not supported: "+tiVersion;
     in
     import titaniumSdkFile {
diff --git a/pkgs/development/mobile/titaniumenv/titaniumsdk-8.3.nix b/pkgs/development/mobile/titaniumenv/titaniumsdk-8.3.nix
new file mode 100644
index 000000000000..b8e6b5a2271d
--- /dev/null
+++ b/pkgs/development/mobile/titaniumenv/titaniumsdk-8.3.nix
@@ -0,0 +1,97 @@
+{stdenv, fetchurl, unzip, makeWrapper}:
+
+let
+  # Gradle is a build system that bootstraps itself. This is what it actually
+  # downloads in the bootstrap phase.
+  gradleAllZip = fetchurl {
+    url = http://services.gradle.org/distributions/gradle-4.1-all.zip;
+    sha256 = "1rcrh263vq7a0is800y5z36jj97p67c6zpqzzfcbr7r0qaxb61sw";
+  };
+
+  # A Titanium-Android build requires proguard plugins. We create a fake
+  # repository so that Gradle does not attempt to download them in the builder.
+  # Since there are only 3 plugins required, this is still (sort of) manageable
+  # without a generator.
+  proguardVersion = "5.3.3";
+
+  proguardGradlePOM = fetchurl {
+    url = "https://repo1.maven.org/maven2/net/sf/proguard/proguard-gradle/${proguardVersion}/proguard-gradle-${proguardVersion}.pom";
+    sha256 = "03v9zm3ykfkyb5cs5ald07ph103fh68d5c33rv070r29p71dwszj";
+  };
+  proguardGradleJAR = fetchurl {
+    url = "https://repo1.maven.org/maven2/net/sf/proguard/proguard-gradle/${proguardVersion}/proguard-gradle-${proguardVersion}.jar";
+    sha256 = "0shhpsjfc5gam15jnv1hk718v5c7vi7dwdc3gvmnid6dc85kljzk";
+  };
+  proguardParentPOM = fetchurl {
+    url = "https://repo1.maven.org/maven2/net/sf/proguard/proguard-parent/${proguardVersion}/proguard-parent-${proguardVersion}.pom";
+    sha256 = "0mv0zbwyw8xa4mkc5kw69y5xqashkz9gp123akfvh9f6152l3202";
+  };
+  proguardBasePOM = fetchurl {
+    url = "https://repo1.maven.org/maven2/net/sf/proguard/proguard-base/${proguardVersion}/proguard-base-${proguardVersion}.pom";
+    sha256 = "1jnr6zsxfimb8wglqlwa6rrdc3g3nqf1dyw0k2dq9cj0q4pgn7p5";
+  };
+  proguardBaseJAR = fetchurl {
+    url = "https://repo1.maven.org/maven2/net/sf/proguard/proguard-base/${proguardVersion}/proguard-base-${proguardVersion}.jar";
+    sha256 = "11nwdb9y84cghcx319nsjjf9m035s4s1184zrhzpvaxq2wvqhbhx";
+  };
+
+  # Put the downloaded plugins in a fake Maven repository
+  fakeMavenRepo = stdenv.mkDerivation {
+    name = "fake-maven-repo";
+    buildCommand = ''
+      mkdir -p $out
+      cd $out
+      mkdir -p net/sf/proguard/proguard-gradle/${proguardVersion}
+      cp ${proguardGradlePOM} net/sf/proguard/proguard-gradle/${proguardVersion}/proguard-gradle-${proguardVersion}.pom
+      cp ${proguardGradleJAR} net/sf/proguard/proguard-gradle/${proguardVersion}/proguard-gradle-${proguardVersion}.jar
+      mkdir -p net/sf/proguard/proguard-parent/${proguardVersion}
+      cp ${proguardParentPOM} net/sf/proguard/proguard-parent/${proguardVersion}/proguard-parent-${proguardVersion}.pom
+      mkdir -p net/sf/proguard/proguard-base/${proguardVersion}
+      cp ${proguardBasePOM} net/sf/proguard/proguard-base/${proguardVersion}/proguard-base-${proguardVersion}.pom
+      cp ${proguardBaseJAR} net/sf/proguard/proguard-base/${proguardVersion}/proguard-base-${proguardVersion}.jar
+    '';
+  };
+in
+stdenv.mkDerivation {
+  name = "mobilesdk-8.3.2.GA";
+  src = if (stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux") then fetchurl {
+    url = https://builds.appcelerator.com/mobile/8_3_X/mobilesdk-8.3.2.v20200117111803-linux.zip;
+    sha256 = "04pfw21jrx9w259lphynwykqjk4c9hm0zix4d40s7mf8mmh3xdx9";
+  }
+  else if stdenv.system == "x86_64-darwin" then fetchurl {
+    url = https://builds.appcelerator.com/mobile/8_3_X/mobilesdk-8.3.2.v20200117111803-osx.zip;
+    sha256 = "1zflq5hc96lrriw71ya623kkskkisi9yayg8qs03zimi0gksizxw";
+  }
+  else throw "Platform: ${stdenv.system} not supported!";
+
+  buildInputs = [ unzip makeWrapper ];
+
+  buildCommand = ''
+    mkdir -p $out
+    cd $out
+    unzip $src
+
+    # Rename ugly version number
+    cd mobilesdk/*
+    mv * 8.3.2.GA
+    cd *
+
+    # Patch bundled gradle build infrastructure to make shebangs work
+    patchShebangs android/templates/gradle
+
+    # Substitute the gradle-all zip URL by a local file to prevent downloads from happening while building an Android app
+    sed -i -e "s|distributionUrl=|#distributionUrl=|" android/templates/gradle/gradle/wrapper/gradle-wrapper.properties
+    cp ${gradleAllZip} android/templates/gradle/gradle/wrapper/gradle-4.1-all.zip
+    echo "distributionUrl=gradle-4.1-all.zip" >> android/templates/gradle/gradle/wrapper/gradle-wrapper.properties
+
+    # Patch maven central repository with our own local directory. This prevents the builder from downloading Maven artifacts
+    sed -i -e 's|mavenCentral()|maven { url "${fakeMavenRepo}" }|' android/templates/build/proguard.gradle
+
+    ${stdenv.lib.optionalString (stdenv.system == "x86_64-darwin") ''
+      # Patch the strip frameworks script in the iPhone build template to not let
+      # it skip the strip phase. This is caused by an assumption on the file
+      # permissions in which Nix deviates from the standard.
+      sed -i -e "s|-perm +111|-perm /111|" iphone/templates/build/strip-frameworks.sh
+    ''}
+  '';
+}
diff --git a/pkgs/development/node-packages/default-v10.nix b/pkgs/development/node-packages/default-v10.nix
index 54bd0337fade..5d7e2c7668f2 100644
--- a/pkgs/development/node-packages/default-v10.nix
+++ b/pkgs/development/node-packages/default-v10.nix
@@ -115,12 +115,9 @@ nodePackages // {
   joplin = nodePackages.joplin.override {
     nativeBuildInputs = [ pkgs.pkg-config ];
     buildInputs = with pkgs; [
-      # sharp, dep list:
-      # http://sharp.pixelplumbing.com/en/stable/install/
-      cairo expat fontconfig freetype fribidi gettext giflib
-      glib harfbuzz lcms libcroco libexif libffi libgsf
-      libjpeg_turbo libpng librsvg libtiff vips
-      libwebp libxml2 pango pixman zlib
+      # required by sharp
+      # https://sharp.pixelplumbing.com/install
+      vips
 
       nodePackages.node-pre-gyp
     ];
diff --git a/pkgs/development/ocaml-modules/eigen/default.nix b/pkgs/development/ocaml-modules/eigen/default.nix
index 7c1ec79f7da3..8f26213c23ae 100644
--- a/pkgs/development/ocaml-modules/eigen/default.nix
+++ b/pkgs/development/ocaml-modules/eigen/default.nix
@@ -1,17 +1,17 @@
-{ stdenv, buildDunePackage, fetchFromGitHub, ctypes }:
+{ stdenv, buildDune2Package, fetchFromGitHub, ctypes }:
 
-buildDunePackage rec {
+buildDune2Package rec {
   pname = "eigen";
-  version = "0.1.5";
+  version = "0.2.0";
 
   src = fetchFromGitHub {
     owner = "owlbarn";
     repo   = pname;
     rev    = version;
-    sha256 = "0pbqd87i9h7qpx84hr8k4iw0rhmjgma4s3wihxh992jjvsrgdyfi";
+    sha256 = "1zaw03as14hyvfpyj6bjrfbcxp2ljdbqcqqgm53kms244mig425f";
   };
 
-  minimumOCamlVersion = "4.04";
+  minimumOCamlVersion = "4.02";
 
   propagatedBuildInputs = [ ctypes ];
 
diff --git a/pkgs/development/ocaml-modules/elpi/default.nix b/pkgs/development/ocaml-modules/elpi/default.nix
index b69a4900f6f1..1c71f7fceb78 100644
--- a/pkgs/development/ocaml-modules/elpi/default.nix
+++ b/pkgs/development/ocaml-modules/elpi/default.nix
@@ -4,13 +4,13 @@
 
 buildDunePackage rec {
   pname = "elpi";
-  version = "1.7.0";
+  version = "1.10.2";
 
   src = fetchFromGitHub {
     owner = "LPCIC";
     repo = "elpi";
     rev = "v${version}";
-    sha256 = "1q6s3x4gba0hdymlgj4rf1bny4v7ac4jj7q134cwd3sxiwqcyhww";
+    sha256 = "0w5z0pxyshqawq7w5rw3nqii49y88rizvwqf202pl11xqi14icsn";
   };
 
   minimumOCamlVersion = "4.04";
diff --git a/pkgs/development/ocaml-modules/ocamlnet/default.nix b/pkgs/development/ocaml-modules/ocamlnet/default.nix
index fe276ac6e94f..7d9a0573db7b 100644
--- a/pkgs/development/ocaml-modules/ocamlnet/default.nix
+++ b/pkgs/development/ocaml-modules/ocamlnet/default.nix
@@ -2,14 +2,17 @@
 , gnutls, nettle
 }:
 
-let version = "4.1.6"; in
+if stdenv.lib.versionOlder ocaml.version "4.02"
+then throw "ocamlnet is not available for OCaml ${ocaml.version}"
+else
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "ocaml${ocaml.version}-ocamlnet-${version}";
+  version = "4.1.7";
 
   src = fetchurl {
     url = "http://download.camlcity.org/download/ocamlnet-${version}.tar.gz";
-    sha256 = "1j0k0drybcjpysvs8xpq3cnpg3wqk6d5sy7y1h5rq8jk7hrirf0k";
+    sha256 = "0r9gl0lsgxk2achixxqzm8bm5l9jwc4vwihf0rvxxa9v9q9vfdhi";
   };
 
   nativeBuildInputs = [ pkgconfig ];
@@ -37,7 +40,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://projects.camlcity.org/projects/ocamlnet.html;
+    homepage = "http://projects.camlcity.org/projects/ocamlnet.html";
     description = "A library implementing Internet protocols (http, cgi, email, etc.) for OCaml";
     license = "Most Ocamlnet modules are released under the zlib/png license. The HTTP server module Nethttpd is, however, under the GPL.";
     platforms = ocaml.meta.platforms or [];
diff --git a/pkgs/development/ocaml-modules/owl-base/default.nix b/pkgs/development/ocaml-modules/owl-base/default.nix
index 12cd54363085..ce6ee124466c 100644
--- a/pkgs/development/ocaml-modules/owl-base/default.nix
+++ b/pkgs/development/ocaml-modules/owl-base/default.nix
@@ -1,14 +1,14 @@
-{ stdenv, buildDunePackage, fetchFromGitHub, stdlib-shims }:
+{ stdenv, buildDune2Package, fetchFromGitHub, stdlib-shims }:
 
-buildDunePackage rec {
+buildDune2Package rec {
   pname = "owl-base";
-  version = "0.7.2";
+  version = "0.8.0";
 
   src = fetchFromGitHub {
     owner  = "owlbarn";
     repo   = "owl";
     rev    = version;
-    sha256 = "1a2lbhywrb3bmm4k48wwbp6iszpd3aj1f23v10i78cbqm5slk6dj";
+    sha256 = "1j3xmr4izfznmv8lbn8vkx9c77py2xr6fqyn6ypjlf5k9b8g4mmw";
   };
 
   propagatedBuildInputs = [ stdlib-shims ];
diff --git a/pkgs/development/ocaml-modules/owl/default.nix b/pkgs/development/ocaml-modules/owl/default.nix
index 0cc1c1db42a4..c6eaf69b704b 100644
--- a/pkgs/development/ocaml-modules/owl/default.nix
+++ b/pkgs/development/ocaml-modules/owl/default.nix
@@ -1,14 +1,26 @@
-{ stdenv, buildDunePackage, fetchFromGitHub, alcotest
-, eigen, stdio, stdlib-shims, openblasCompat, owl-base
+{ stdenv
+, buildDune2Package
+, dune-configurator
+, fetchFromGitHub
+, alcotest
+, eigen
+, stdio
+, stdlib-shims
+, openblasCompat
+, owl-base
+, npy
 }:
 
-buildDunePackage rec {
+buildDune2Package rec {
   pname = "owl";
 
   inherit (owl-base) version src meta;
 
   checkInputs = [ alcotest ];
-  propagatedBuildInputs = [ eigen stdio stdlib-shims openblasCompat owl-base ];
+  buildInputs = [ dune-configurator ];
+  propagatedBuildInputs = [
+    eigen stdio stdlib-shims openblasCompat owl-base npy
+  ];
 
   doCheck = !stdenv.isDarwin;  # https://github.com/owlbarn/owl/issues/462
 }
diff --git a/pkgs/development/ocaml-modules/phylogenetics/default.nix b/pkgs/development/ocaml-modules/phylogenetics/default.nix
index e665a3235788..049a9a97c8e2 100644
--- a/pkgs/development/ocaml-modules/phylogenetics/default.nix
+++ b/pkgs/development/ocaml-modules/phylogenetics/default.nix
@@ -1,7 +1,7 @@
-{ stdenv, buildDunePackage, fetchFromGitHub, ppx_deriving
+{ stdenv, buildDune2Package, fetchFromGitHub, ppx_deriving
 , alcotest, biocaml, gnuplot, lacaml, menhir, owl }:
 
-buildDunePackage rec {
+buildDune2Package rec {
   pname = "phylogenetics";
   version = "unstable-2019-11-15";
 
@@ -20,7 +20,7 @@ buildDunePackage rec {
   doCheck = false;  # many tests require bppsuite
 
   meta = with stdenv.lib; {
-    inherit (std.meta) homepage;
+    inherit (src.meta) homepage;
     description = "Bioinformatics library for Ocaml";
     maintainers = [ maintainers.bcdarwin ];
     license = licenses.cecill-b;
diff --git a/pkgs/development/ocaml-modules/ppx_deriving/default.nix b/pkgs/development/ocaml-modules/ppx_deriving/default.nix
index d45298972cce..612a12bb4183 100644
--- a/pkgs/development/ocaml-modules/ppx_deriving/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_deriving/default.nix
@@ -4,11 +4,11 @@
 
 buildDunePackage rec {
   pname = "ppx_deriving";
-  version = "4.4";
+  version = "4.4.1";
 
   src = fetchzip {
     url = "https://github.com/ocaml-ppx/ppx_deriving/archive/v${version}.tar.gz";
-    sha256 = "0b2gaxlh54pcz3b4891yd143nx852mwggcy0yhq8g85dl3iisxzq";
+    sha256 = "1map50w2a35y83bcd19p9yakdkhp04z5as2j2wlygi0b6s0a9vba";
   };
 
   buildInputs = [ ppxfind cppo ounit ];
diff --git a/pkgs/development/python-modules/asdf/default.nix b/pkgs/development/python-modules/asdf/default.nix
index 384421c8966f..dd845b1d3496 100644
--- a/pkgs/development/python-modules/asdf/default.nix
+++ b/pkgs/development/python-modules/asdf/default.nix
@@ -15,12 +15,12 @@
 
 buildPythonPackage rec {
   pname = "asdf";
-  version = "2.5.0";
+  version = "2.5.2";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1qddczr5vhlbhmzmw6bwmkrvsj8dml76zf9gnk22qzab60ali99j";
+    sha256 = "0ai5l62ldaq1cqfmq3hvnzp8gp0hjjmjnck9d3cnx5r8la5ig18y";
   };
 
   postPatch = ''
@@ -50,7 +50,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Python tools to handle ASDF files";
-    homepage = https://github.com/spacetelescope/asdf;
+    homepage = "https://github.com/spacetelescope/asdf";
     license = licenses.bsd3;
     maintainers = [ maintainers.costrouc ];
   };
diff --git a/pkgs/development/python-modules/astroquery/default.nix b/pkgs/development/python-modules/astroquery/default.nix
index 461d8801e608..c6620de3d0c3 100644
--- a/pkgs/development/python-modules/astroquery/default.nix
+++ b/pkgs/development/python-modules/astroquery/default.nix
@@ -9,21 +9,26 @@
 , pytest
 , pytest-astropy
 , astropy-helpers
+, isPy3k
 }:
 
 buildPythonPackage rec {
   pname = "astroquery";
-  version = "0.3.10";
+  version = "0.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1ce57a8792c7d5d74206d797d379de6da35d56be433ea5840c41a49f202e2fab";
+    sha256 = "1ddwnj9vpvxkrfb45c4pwv5f5za9kn2q0040dpw2ymj2bwlpl61h";
   };
 
+  disabled = !isPy3k;
+
   propagatedBuildInputs = [ astropy requests keyring beautifulsoup4 html5lib ];
 
   nativeBuildInputs = [ astropy-helpers ];
 
+  # Tests disabled until pytest-astropy has been updated to include pytest-astropy-header
+  doCheck = false;
   checkInputs = [ pytest pytest-astropy ];
 
   # Disable automatic update of the astropy-helper module
diff --git a/pkgs/development/python-modules/authlib/default.nix b/pkgs/development/python-modules/authlib/default.nix
index 579652c3f95e..cbbf64524f57 100644
--- a/pkgs/development/python-modules/authlib/default.nix
+++ b/pkgs/development/python-modules/authlib/default.nix
@@ -8,14 +8,14 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.13";
+  version = "0.14.1";
   pname = "authlib";
 
   src = fetchFromGitHub {
     owner = "lepture";
     repo = "authlib";
     rev = "v${version}";
-    sha256 = "1nv0jbsaqr9qjn7nnl55s42iyx655k7fsj8hs69652lqnfn5y3d5";
+    sha256 = "0z56r5s8z8pfp0p8zrf1chgzan4q25zg0awgc7bgkvkwgxbhzx4m";
   };
 
   propagatedBuildInputs = [ cryptography requests ];
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/lepture/authlib;
+    homepage = "https://github.com/lepture/authlib";
     description = "The ultimate Python library in building OAuth and OpenID Connect servers. JWS,JWE,JWK,JWA,JWT included.";
     maintainers = with maintainers; [ flokli ];
     license = licenses.bsd3;
diff --git a/pkgs/development/python-modules/azure-mgmt-keyvault/default.nix b/pkgs/development/python-modules/azure-mgmt-keyvault/default.nix
index 26918fbd7db6..43f0394669b7 100644
--- a/pkgs/development/python-modules/azure-mgmt-keyvault/default.nix
+++ b/pkgs/development/python-modules/azure-mgmt-keyvault/default.nix
@@ -11,12 +11,12 @@
 
 buildPythonPackage rec {
   pname = "azure-mgmt-keyvault";
-  version = "2.0.0";
+  version = "2.1.1";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "057ii54h8yr7rhfnbl0r29xbsg7mhf031hjffmdv0zf93552kmja";
+    sha256 = "0ga6lzqlinfxlzx1g35a5sv5chjx4im0m4b8i33hqrhmdv9m7ypg";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/bayesian-optimization/default.nix b/pkgs/development/python-modules/bayesian-optimization/default.nix
index 1f1d33fe329e..990d471bc6b0 100644
--- a/pkgs/development/python-modules/bayesian-optimization/default.nix
+++ b/pkgs/development/python-modules/bayesian-optimization/default.nix
@@ -9,13 +9,13 @@
 
 buildPythonPackage rec {
   pname = "bayesian-optimization";
-  version = "1.0.1";
+  version = "1.1.0";
 
   src = fetchFromGitHub {
     owner = "fmfn";
     repo = "BayesianOptimization";
     rev = "v${version}";
-    sha256 = "07sqymg6k5512k7wq4kbp7rsrkb4g90n0ck1f0b9s6glyfpcy4pq";
+    sha256 = "0ylip9xdi0cjzmdayxxpazdfaa9dl0sdcl2qsfn3p0cipj59bdvd";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/buildbot/default.nix b/pkgs/development/python-modules/buildbot/default.nix
index 528acf572f2a..b088480f5de4 100644
--- a/pkgs/development/python-modules/buildbot/default.nix
+++ b/pkgs/development/python-modules/buildbot/default.nix
@@ -3,7 +3,7 @@
   sqlalchemy_migrate, dateutil, txaio, autobahn, pyjwt, pyyaml, treq,
   txrequests, pyjade, boto3, moto, mock, python-lz4, setuptoolsTrial,
   isort, pylint, flake8, buildbot-worker, buildbot-pkg, buildbot-plugins,
-  parameterized, git, openssh, glibcLocales }:
+  parameterized, git, openssh, glibcLocales, nixosTests }:
 
 let
   withPlugins = plugins: buildPythonPackage {
@@ -91,6 +91,7 @@ let
 
     passthru = {
       inherit withPlugins;
+      tests.buildbot = nixosTests.buildbot;
     };
 
     meta = with lib; {
diff --git a/pkgs/development/python-modules/buildbot/pkg.nix b/pkgs/development/python-modules/buildbot/pkg.nix
index 4f3a0ea04b8f..cb3124ec7e38 100644
--- a/pkgs/development/python-modules/buildbot/pkg.nix
+++ b/pkgs/development/python-modules/buildbot/pkg.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "buildbot-pkg";
-  version = "2.6.0";
+  version = "2.7.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "07ynk46c9h47ibbdm93h15xbrzflsl4llm0jr4c8pm6krs6byb4z";
+    sha256 = "03zb09r8w8dvd9qas7h6gdwlqc7q482ikph6h3708lpnkn72xdkb";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/buildbot/plugins.nix b/pkgs/development/python-modules/buildbot/plugins.nix
index 4bb82b598568..cd35f14fb37d 100644
--- a/pkgs/development/python-modules/buildbot/plugins.nix
+++ b/pkgs/development/python-modules/buildbot/plugins.nix
@@ -7,14 +7,12 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "0njix8g6g1dgfviick55p9calm82nnkhhgkikh7a5yvqk524cprg";
+      sha256 = "1d8xdk4rq4p3fw03cvz7d1pmpjjbyrnzzjifzv46q88vk7jakgxi";
     };
 
     # Remove unneccessary circular dependency on buildbot
     postPatch = ''
-      sed -i setup.py \
-        -e "/import buildbot/d" \
-        -e "s/'buildbot',//"
+      sed -i "s/'buildbot'//" setup.py
     '';
 
     buildInputs = [ buildbot-pkg mock ];
@@ -36,7 +34,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1wmay9bbb1wwf0zh9rw95swmdc7bxabgvx2n6dyyzs4p8k92px10";
+      sha256 = "03pl75avi6cmmhjvfn0a0b4drn35yv37kvgn04zjdwa3m6p3haa8";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -58,7 +56,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "14b28vpkk68yk6zmdd64n7izb1r3barb7y711n4g37skqd13jygb";
+      sha256 = "0rzjk3qmlvid8qag3r00zaszchncl1nl8l2yapvc1zqh2dqlln58";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -80,7 +78,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1m8kbycjq7jsl72xbrzjj48hb65r53lfxx78yvlnhc2f9ian5vnh";
+      sha256 = "1n4j73y9kwfqk7dz1fh1bpan68vlpnbz7idxpmsphyay8w8y9dd4";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -102,7 +100,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1sbp13qimv8kc7dp0xz1pmda1x1n4948zgrz2pc45rwlbbn5h69r";
+      sha256 = "1babkcgxczs6zfk2b6jmsy2vwbrgdydrp2px1mfwa3wmv8fwlssg";
     };
 
     buildInputs = [ buildbot-pkg ];
diff --git a/pkgs/development/python-modules/buildbot/worker.nix b/pkgs/development/python-modules/buildbot/worker.nix
index 6352b22b55d6..365ca0bcf14a 100644
--- a/pkgs/development/python-modules/buildbot/worker.nix
+++ b/pkgs/development/python-modules/buildbot/worker.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage (rec {
   pname = "buildbot-worker";
-  version = "2.6.0";
+  version = "2.7.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0hr42fp3sw6c59qahihm9440618z7prwsy4z0ax553zvw47pc22l";
+    sha256 = "1vwy46acvczgk1hhpsqdwpcw55j4hm5pkw6j01f92axiga8r5jk6";
   };
 
   propagatedBuildInputs = [ twisted future ];
diff --git a/pkgs/development/python-modules/cocotb/default.nix b/pkgs/development/python-modules/cocotb/default.nix
index e10ecd8e840a..9bde31d1f13c 100644
--- a/pkgs/development/python-modules/cocotb/default.nix
+++ b/pkgs/development/python-modules/cocotb/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "cocotb";
-  version = "1.2.0";
+  version = "1.3.0";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    sha256 = "091q63jcm87xggqgqi44lw2vjxhl1v4yl0mv2c76hgavb29w4w5y";
+    sha256 = "0gwd79zm7196fhnbzbdpyvgzsfjfzl3pmc5hh27h7hckfpxzj9yw";
   };
 
   propagatedBuildInputs = [
@@ -24,10 +24,10 @@ buildPythonPackage rec {
       cocotb/share/makefiles/simulators/Makefile.*
     do
       substituteInPlace $f --replace 'shell which' 'shell command -v'
-      # replace hardcoded gcc. Remove once https://github.com/cocotb/cocotb/pull/1137 gets merged
-      substituteInPlace $f --replace 'gcc' '$(CC)'
-      substituteInPlace $f --replace 'g++' '$(CXX)'
     done
+
+    # This can probably be removed in the next update after 1.3.0
+    substituteInPlace cocotb/share/makefiles/Makefile.inc --replace "-Werror" ""
   '';
 
   checkInputs = [ swig verilog ];
@@ -39,7 +39,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python";
-    homepage = https://github.com/cocotb/cocotb;
+    homepage = "https://github.com/cocotb/cocotb";
     license = licenses.bsd3;
     maintainers = with maintainers; [ matthuszagh ];
   };
diff --git a/pkgs/development/python-modules/dash-core-components/default.nix b/pkgs/development/python-modules/dash-core-components/default.nix
index dfcbb9b6404a..4f1e26e42cbf 100644
--- a/pkgs/development/python-modules/dash-core-components/default.nix
+++ b/pkgs/development/python-modules/dash-core-components/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "dash_core_components";
-  version = "1.7.0";
+  version = "1.8.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "16jjanq4glj6c2cwyw94954hrqqv49fknisbxj03lfmflg61j32k";
+    sha256 = "0qqf51mphv1pqqc2ff50rkbw44sp9liifg0mg7xkh41sgnv032cs";
   };
 
   # No tests in archive
@@ -17,7 +17,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "A dash component starter pack";
-    homepage = https://dash.plot.ly/dash-core-components;
+    homepage = "https://dash.plot.ly/dash-core-components";
     license = licenses.mit;
     maintainers = [ maintainers.antoinerg ];
   };
diff --git a/pkgs/development/python-modules/dash-renderer/default.nix b/pkgs/development/python-modules/dash-renderer/default.nix
index 97942a13043b..d009ce192d7b 100644
--- a/pkgs/development/python-modules/dash-renderer/default.nix
+++ b/pkgs/development/python-modules/dash-renderer/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "dash_renderer";
-  version = "1.2.3";
+  version = "1.2.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1ccsykv24dz9xj24106aaj7f0w7x7sv7mamjbx0m6k0wyhh58vw1";
+    sha256 = "1w6mpmvfj6nv5rdzikwc7wwhrgscbh50d0azzydhsa9jccxvkakl";
   };
 
   # No tests in archive
@@ -17,7 +17,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Renderer for the Dash framework";
-    homepage = https://dash.plot.ly/;
+    homepage = "https://dash.plot.ly/";
     license = licenses.mit;
     maintainers = [ maintainers.antoinerg ];
   };
diff --git a/pkgs/development/python-modules/dash-table/default.nix b/pkgs/development/python-modules/dash-table/default.nix
index 4a9a6c42ff48..3a0e0c401768 100644
--- a/pkgs/development/python-modules/dash-table/default.nix
+++ b/pkgs/development/python-modules/dash-table/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "dash_table";
-  version = "4.6.0";
+  version = "4.6.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "01wzac09ac6nr27if1liaxafzdf67x00vw1iq5vaad1147rdh36k";
+    sha256 = "0xwwkp7zsmrcnl3fswm5f319cxk7hk4dzacvfsarll2b47rmm434";
   };
 
   # No tests in archive
@@ -17,7 +17,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "A First-Class Interactive DataTable for Dash";
-    homepage = https://dash.plot.ly/datatable;
+    homepage = "https://dash.plot.ly/datatable";
     license = licenses.mit;
     maintainers = [ maintainers.antoinerg ];
   };
diff --git a/pkgs/development/python-modules/dash/default.nix b/pkgs/development/python-modules/dash/default.nix
index 2106235230f8..72ae7104536d 100644
--- a/pkgs/development/python-modules/dash/default.nix
+++ b/pkgs/development/python-modules/dash/default.nix
@@ -16,13 +16,13 @@
 
 buildPythonPackage rec {
   pname = "dash";
-  version = "1.8.0";
+  version = "1.9.1";
 
   src = fetchFromGitHub {
     owner = "plotly";
     repo = pname;
     rev = "v${version}";
-    sha256 = "11skbvjlj93aw1pqx6j56h73sy9r06jwq7z5h64fd1a3d4z2gsvy";
+    sha256 = "0lqvcq7xaw5l1mwmgfdhr9jspq8jzkxf77862k0ca4d9zglkqp4z";
   };
 
   propagatedBuildInputs = [
@@ -43,11 +43,8 @@ buildPythonPackage rec {
   ];
 
   checkPhase = ''
-    pytest tests/unit/test_configs.py
-    pytest tests/unit/test_fingerprint.py
-    pytest tests/unit/test_import.py
-    pytest tests/unit/test_resources.py
-    pytest tests/unit/dash/
+    pytest tests/unit/test_{configs,fingerprint,import,resources}.py \
+      tests/unit/dash/
   '';
 
   pythonImportsCheck = [
@@ -56,7 +53,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Python framework for building analytical web applications";
-    homepage = https://dash.plot.ly/;
+    homepage = "https://dash.plot.ly/";
     license = licenses.mit;
     maintainers = [ maintainers.antoinerg ];
   };
diff --git a/pkgs/development/python-modules/digitalocean/default.nix b/pkgs/development/python-modules/digitalocean/default.nix
index e81caa66e5f3..404331a49577 100644
--- a/pkgs/development/python-modules/digitalocean/default.nix
+++ b/pkgs/development/python-modules/digitalocean/default.nix
@@ -1,23 +1,53 @@
-{ stdenv, buildPythonPackage, fetchPypi, requests, jsonpickle }:
+{ buildPythonPackage
+, fetchFromGitHub
+, fetchPypi
+, isPy3k
+, jsonpickle
+, mock
+, pytest
+, pytestCheckHook
+, requests
+, responses
+, stdenv
+}:
 
 buildPythonPackage rec {
   pname = "python-digitalocean";
-  version = "1.13.2";
+  version = "1.15.0";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "0h4drpdsmk0b3rlvg6q6cz11k23w0swj1iddk7xdcw4m7r7c52kw";
+  src = fetchFromGitHub {
+    owner = "koalalorenzo";
+    repo = "python-digitalocean";
+    rev = "v${version}";
+    sha256 = "1pz15mh72i992p63grwzqn2bbp6sm37zcp4f0fy1z7rsargwsbcz";
   };
 
-  propagatedBuildInputs = [ requests jsonpickle ];
+  propagatedBuildInputs = [
+    jsonpickle
+    requests
+  ];
 
-  # Package doesn't distribute tests.
-  doCheck = false;
+  dontUseSetuptoolsCheck = true;
+
+  checkInputs = [
+    pytest
+    pytestCheckHook
+    responses
+  ] ++ stdenv.lib.optionals (!isPy3k) [
+    mock
+  ];
+
+  preCheck = ''
+    cd digitalocean
+  '';
 
   meta = with stdenv.lib; {
     description = "digitalocean.com API to manage Droplets and Images";
-    homepage = https://pypi.python.org/pypi/python-digitalocean;
+    homepage = "https://pypi.python.org/pypi/python-digitalocean";
     license = licenses.lgpl3;
-    maintainers = with maintainers; [ teh ];
+    maintainers = with maintainers; [
+      kiwi
+      teh
+    ];
   };
 }
diff --git a/pkgs/development/python-modules/dm-sonnet/default.nix b/pkgs/development/python-modules/dm-sonnet/default.nix
index 4ce61680f03b..603d900b8106 100644
--- a/pkgs/development/python-modules/dm-sonnet/default.nix
+++ b/pkgs/development/python-modules/dm-sonnet/default.nix
@@ -36,7 +36,7 @@ let
     bazelTarget = ":install";
 
     fetchAttrs = {
-      sha256 = "0mxma7jajm42v1hv6agl909xra0azihj588032ivhlmmh403x6wg";
+      sha256 = "0wb2gh9ji8bgq4s9ci9x017dybxqzjhncpw33b1wjksm2yhbkvlz";
     };
 
     bazelFlags = [
diff --git a/pkgs/development/python-modules/glances/default.nix b/pkgs/development/python-modules/glances/default.nix
deleted file mode 100644
index 0a0864e52b6c..000000000000
--- a/pkgs/development/python-modules/glances/default.nix
+++ /dev/null
@@ -1,67 +0,0 @@
-{ stdenv, buildPythonPackage, fetchFromGitHub, fetchpatch, isPyPy, lib
-, psutil, setuptools, bottle, batinfo, pysnmp
-, hddtemp, future
-# Optional dependencies:
-, netifaces # IP module
-# Tests:
-, unittest2
-}:
-
-buildPythonPackage rec {
-  pname = "glances";
-  version = "3.1.3";
-  disabled = isPyPy;
-
-  src = fetchFromGitHub {
-    owner = "nicolargo";
-    repo = "glances";
-    rev = "v${version}";
-    sha256 = "15yz8sbw3k3n0729g2zcwsxc5iyhkyrhqza6fnipxxpsskwgqbwp";
-  };
-
-  # Some tests fail in the sandbox (they e.g. require access to /sys/class/power_supply):
-  patches = lib.optional (doCheck && stdenv.isLinux) ./skip-failing-tests.patch
-    ++ [
-      (fetchpatch {
-        # Correct unitest
-        url = "https://github.com/nicolargo/glances/commit/abf64ffde31113f5f46ef286703ff061fc57395f.patch";
-        sha256 = "00krahqq89jvbgrqx2359cndmvq5maffhpj163z10s1n7q80kxp1";
-      })
-
-      (fetchpatch {
-        # Fix IP plugin initialization issue
-        url = "https://github.com/nicolargo/glances/commit/48cb5ef8053d823302e7e53490fb22cec2fabb0f.patch";
-        sha256 = "1590qgcr8w3d9ddpgd9mk5j6q6aq29341vr8bi202yjwwiv2bia9";
-      })
-    ];
-
-  # On Darwin this package segfaults due to mismatch of pure and impure
-  # CoreFoundation. This issues was solved for binaries but for interpreted
-  # scripts a workaround below is still required.
-  # Relevant: https://github.com/NixOS/nixpkgs/issues/24693
-  makeWrapperArgs = lib.optionals stdenv.isDarwin [
-    "--set" "DYLD_FRAMEWORK_PATH" "/System/Library/Frameworks"
-  ];
-
-  doCheck = true;
-  checkInputs = [ unittest2 ];
-  preCheck = lib.optional stdenv.isDarwin ''
-    export DYLD_FRAMEWORK_PATH=/System/Library/Frameworks
-  '';
-
-  propagatedBuildInputs = [ psutil setuptools bottle batinfo pysnmp future
-    netifaces
-  ] ++ lib.optional stdenv.isLinux hddtemp;
-
-  preConfigure = ''
-    sed -i 's/data_files\.append((conf_path/data_files.append(("etc\/glances"/' setup.py;
-  '';
-
-  meta = with lib; {
-    homepage = https://nicolargo.github.io/glances/;
-    description = "Cross-platform curses-based monitoring tool";
-    license = licenses.lgpl3;
-    maintainers = with maintainers; [ primeos koral ];
-    platforms = platforms.linux ++ platforms.darwin;
-  };
-}
diff --git a/pkgs/development/python-modules/glances/skip-failing-tests.patch b/pkgs/development/python-modules/glances/skip-failing-tests.patch
deleted file mode 100644
index e3116af6a2c2..000000000000
--- a/pkgs/development/python-modules/glances/skip-failing-tests.patch
+++ /dev/null
@@ -1,60 +0,0 @@
-diff --git a/unitest.py b/unitest.py
---- a/unitest.py
-+++ b/unitest.py
-@@ -59,6 +59,7 @@ class TestGlances(unittest.TestCase):
-         """The function is called *every time* before test_*."""
-         print('\n' + '=' * 78)
- 
-+    @unittest.skip("Requires access to /etc/mtab")
-     def test_000_update(self):
-         """Update stats (mandatory step for all the stats).
- 
-@@ -87,6 +88,7 @@ class TestGlances(unittest.TestCase):
-         for plugin in plugins_to_check:
-             self.assertTrue(plugin in plugins_list)
- 
-+    @unittest.skip("Fails on NixOS")
-     def test_002_system(self):
-         """Check SYSTEM plugin."""
-         stats_to_check = ['hostname', 'os_name']
-@@ -97,6 +99,7 @@ class TestGlances(unittest.TestCase):
-             self.assertTrue(stat in stats_grab, msg='Cannot find key: %s' % stat)
-         print('INFO: SYSTEM stats: %s' % stats_grab)
- 
-+    @unittest.skip("Fails on NixOS")
-     def test_003_cpu(self):
-         """Check CPU plugin."""
-         stats_to_check = ['system', 'user', 'idle']
-@@ -110,7 +113,7 @@ class TestGlances(unittest.TestCase):
-             self.assertLessEqual(stats_grab[stat], 100)
-         print('INFO: CPU stats: %s' % stats_grab)
- 
--    @unittest.skipIf(WINDOWS, "Load average not available on Windows")
-+    @unittest.skip("Fails on NixOS")
-     def test_004_load(self):
-         """Check LOAD plugin."""
-         stats_to_check = ['cpucore', 'min1', 'min5', 'min15']
-@@ -123,6 +126,7 @@ class TestGlances(unittest.TestCase):
-             self.assertGreaterEqual(stats_grab[stat], 0)
-         print('INFO: LOAD stats: %s' % stats_grab)
- 
-+    @unittest.skip("Fails on NixOS")
-     def test_005_mem(self):
-         """Check MEM plugin."""
-         stats_to_check = ['available', 'used', 'free', 'total']
-@@ -135,6 +139,7 @@ class TestGlances(unittest.TestCase):
-             self.assertGreaterEqual(stats_grab[stat], 0)
-         print('INFO: MEM stats: %s' % stats_grab)
- 
-+    @unittest.skip("Fails on NixOS")
-     def test_006_swap(self):
-         """Check MEMSWAP plugin."""
-         stats_to_check = ['used', 'free', 'total']
-@@ -191,6 +196,7 @@ class TestGlances(unittest.TestCase):
-         self.assertTrue(type(stats_grab) is list, msg='Folders stats is not a list')
-         print('INFO: Folders stats: %s' % stats_grab)
- 
-+    @unittest.skip("Fails on NixOS (TODO)")
-     def test_012_ip(self):
-         """Check IP plugin."""
-         print('INFO: [TEST_012] Check IP stats')
diff --git a/pkgs/development/python-modules/goocalendar/default.nix b/pkgs/development/python-modules/goocalendar/default.nix
index 9fc0acc30afa..e9b33f330813 100644
--- a/pkgs/development/python-modules/goocalendar/default.nix
+++ b/pkgs/development/python-modules/goocalendar/default.nix
@@ -14,13 +14,13 @@ with stdenv.lib;
 
 buildPythonPackage rec {
   pname = "GooCalendar";
-  version = "0.6";
+  version = "0.7.0";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4c22c93e19b933d10d8ea1c67a67f485267af82175ef59419427dd39d1e3af18";
+    sha256 = "14m05pi1vwl7i8iv1wvc0r3450dlivsh85f4cyny08l869cr9lf1";
   };
 
   nativeBuildInputs = [
@@ -42,7 +42,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A calendar widget for GTK using PyGoocanvas.";
-    homepage = https://goocalendar.tryton.org/;
+    homepage = "https://goocalendar.tryton.org/";
     license = licenses.gpl2;
     maintainers = [ maintainers.udono ];
   };
diff --git a/pkgs/development/python-modules/gtts/default.nix b/pkgs/development/python-modules/gtts/default.nix
new file mode 100644
index 000000000000..934f3bd58202
--- /dev/null
+++ b/pkgs/development/python-modules/gtts/default.nix
@@ -0,0 +1,53 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, beautifulsoup4
+, click
+, gtts-token
+, mock
+, pytest
+, requests
+, six
+, testfixtures
+, twine
+, urllib3
+}:
+
+buildPythonPackage rec {
+  pname = "gtts";
+  version = "2.1.1";
+
+  src = fetchFromGitHub {
+    owner = "pndurette";
+    repo = "gTTS";
+    rev = "v${version}";
+    sha256 = "1d0r6dnb8xvgyvxz7nfj4q4xqmpmvcwcsjghxrh76m6p364lh1hj";
+  };
+
+  propagatedBuildInputs = [
+    beautifulsoup4
+    click
+    gtts-token
+    requests
+    six
+    urllib3
+    twine
+  ];
+
+  checkInputs = [ pytest mock testfixtures ];
+
+  # majority of tests just try to call out to Google's Translate API endpoint
+  doCheck = false;
+  checkPhase = ''
+    pytest
+  '';
+
+  pythonImportsCheck = [ "gtts" ];
+
+  meta = with lib; {
+    description = "A Python library and CLI tool to interface with Google Translate text-to-speech API";
+    homepage = "https://gtts.readthedocs.io";
+    license = licenses.mit;
+    maintainers = with maintainers; [ unode ];
+  };
+}
diff --git a/pkgs/development/python-modules/hass-nabucasa/default.nix b/pkgs/development/python-modules/hass-nabucasa/default.nix
index e14b97d94ceb..87a4a21568c8 100644
--- a/pkgs/development/python-modules/hass-nabucasa/default.nix
+++ b/pkgs/development/python-modules/hass-nabucasa/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "hass-nabucasa";
-  version = "0.29";
+  version = "0.31";
 
   src = fetchFromGitHub {
     owner = "nabucasa";
     repo = pname;
     rev = version;
-    sha256 = "182nh5i3hlj0kqkbynk69md0ddq83w02l8lz4m03d8xbjixzi1k1";
+    sha256 = "0hxdvdj41gq5ryafjhrcgf6y8l33lyf45a1vgwwbk0q29sir9bnr";
   };
 
   # upstreamed in https://github.com/NabuCasa/hass-nabucasa/pull/119
diff --git a/pkgs/development/python-modules/ics/default.nix b/pkgs/development/python-modules/ics/default.nix
index b642bdf311e1..d304dddd79db 100644
--- a/pkgs/development/python-modules/ics/default.nix
+++ b/pkgs/development/python-modules/ics/default.nix
@@ -5,14 +5,14 @@
 
 buildPythonPackage rec {
   pname = "ics";
-  version = "0.6";
+  version = "0.7";
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "C4ptainCrunch";
     repo = "ics.py";
     rev = "v${version}";
-    sha256 = "02bs9wlh40p1n33jchrl2cdpsnm5hq84070by3b6gm0vmgz6gn5v";
+    sha256 = "0rrdc9rcxc3ys6rml81b8m8qdlisk78a34bdib0wy65hlkmyyykn";
   };
 
   propagatedBuildInputs = [ tatsu arrow ];
@@ -34,6 +34,7 @@ buildPythonPackage rec {
       write ics data in a developer friendly way.
     '';
     homepage = "http://icspy.readthedocs.org/en/stable/";
+    changelog = "https://github.com/C4ptainCrunch/ics.py/releases/tag/v${version}";
     license = licenses.asl20;
     maintainers = with maintainers; [ primeos ];
   };
diff --git a/pkgs/development/python-modules/identify/default.nix b/pkgs/development/python-modules/identify/default.nix
index 86d1617852b8..7102995cdf24 100644
--- a/pkgs/development/python-modules/identify/default.nix
+++ b/pkgs/development/python-modules/identify/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "identify";
-  version = "1.4.10";
+  version = "1.4.11";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0q1k22n8w7mmab1vh2r3bsqbxkxbb2zka548rcnn2rd9yg8rxnca";
+    sha256 = "15kbcgqz6zf9qqvyw3pwy611knv1lyaqmc213ivmqciq3zifn96q";
   };
 
   # Tests not included in PyPI tarball
@@ -14,7 +14,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "File identification library for Python";
-    homepage = https://github.com/chriskuehl/identify;
+    homepage = "https://github.com/chriskuehl/identify";
     license = licenses.mit;
   };
 }
diff --git a/pkgs/development/python-modules/ifconfig-parser/default.nix b/pkgs/development/python-modules/ifconfig-parser/default.nix
new file mode 100644
index 000000000000..cb3fb0fded5d
--- /dev/null
+++ b/pkgs/development/python-modules/ifconfig-parser/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, buildPythonPackage, fetchFromGitHub }:
+
+buildPythonPackage rec {
+  pname = "ifconfig-parser";
+  version = "0.0.5";
+
+  src = fetchFromGitHub {
+    owner = "KnightWhoSayNi";
+    repo = pname;
+    rev = "4921ac9d6be6244b062d082c164f5a5e69522478";
+    sha256 = "07hbkbr1qspr7qgzldkaslzc6ripj5zlif12d4fk5j801yhvnxjd";
+  };
+
+  checkPhase = ''
+    export PYTHONPATH=$PYTHONPATH:$(pwd)/ifconfigparser:$(pwd)/ifconfigparser/tests
+    python -m unittest -v test_ifconfig_parser.TestIfconfigParser
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Unsophisticated python package for parsing raw output of ifconfig.";
+    homepage = "https://github.com/KnightWhoSayNi/ifconfig-parser";
+    license = licenses.mit;
+    maintainers = with maintainers; [ atemu ];
+  };
+}
diff --git a/pkgs/development/python-modules/ipdb/default.nix b/pkgs/development/python-modules/ipdb/default.nix
index 49b0991f1fd0..5de9e25bcf1f 100644
--- a/pkgs/development/python-modules/ipdb/default.nix
+++ b/pkgs/development/python-modules/ipdb/default.nix
@@ -7,12 +7,12 @@
 
 buildPythonPackage rec {
   pname = "ipdb";
-  version = "0.12.3";
+  version = "0.13.0";
   disabled = isPyPy;  # setupterm: could not find terminfo database
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1zbj7xjhkr44grfyv1hb7ff5n1218f9jjabgzica29vh7c74m6jx";
+    sha256 = "0nbs9m2pqg4j10m7c31vyb8h7wy29d9s8kiv0k2igbr821k1y3xr";
   };
 
   propagatedBuildInputs = [ ipython ];
@@ -22,7 +22,7 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/gotcha/ipdb;
+    homepage = "https://github.com/gotcha/ipdb";
     description = "IPython-enabled pdb";
     license = licenses.bsd0;
     maintainers = [ maintainers.costrouc ];
diff --git a/pkgs/development/python-modules/ipykernel/default.nix b/pkgs/development/python-modules/ipykernel/default.nix
index 6e356665d044..9c0ab175004e 100644
--- a/pkgs/development/python-modules/ipykernel/default.nix
+++ b/pkgs/development/python-modules/ipykernel/default.nix
@@ -16,7 +16,6 @@
 buildPythonPackage rec {
   pname = "ipykernel";
   version = "5.1.4";
-  disabled = pythonOlder "3.4";
 
   src = fetchPypi {
     inherit pname version;
@@ -38,12 +37,23 @@ buildPythonPackage rec {
   preCheck = ''
     export HOME=$(mktemp -d)
   '';
-  disabledTests = lib.optionals stdenv.isDarwin [
+  disabledTests = lib.optionals stdenv.isDarwin ([
     # see https://github.com/NixOS/nixpkgs/issues/76197
     "test_subprocess_print"
     "test_subprocess_error"
     "test_ipython_start_kernel_no_userns"
-  ];
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    # flaky test https://github.com/ipython/ipykernel/issues/485
+    "test_shutdown"
+
+    # test regression https://github.com/ipython/ipykernel/issues/486
+    "test_sys_path_profile_dir"
+    "test_save_history"
+    "test_help_output"
+    "test_write_kernel_spec"
+    "test_ipython_start_kernel_userns"
+    "ZMQDisplayPublisherTests"
+  ]);
 
   # Some of the tests use localhost networking.
   __darwinAllowLocalNetworking = true;
diff --git a/pkgs/development/python-modules/jc/default.nix b/pkgs/development/python-modules/jc/default.nix
new file mode 100644
index 000000000000..1773a077fdd5
--- /dev/null
+++ b/pkgs/development/python-modules/jc/default.nix
@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi,
+  ruamel_yaml
+, ifconfig-parser
+, xmltodict
+, isPy27
+}:
+
+buildPythonPackage rec {
+  pname = "jc";
+  version = "1.7.5";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "16ndzvyvx4s3b6cnhxbd5fs3fkc3fwygz7qzaw7ws76sag1zpx67";
+  };
+
+  propagatedBuildInputs = [ ruamel_yaml ifconfig-parser xmltodict ];
+
+  meta = with stdenv.lib; {
+    description = "This tool serializes the output of popular command line tools and filetypes to structured JSON output.";
+    homepage = "https://github.com/kellyjonbrazil/jc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ atemu ];
+  };
+}
diff --git a/pkgs/development/python-modules/jsonpath/default.nix b/pkgs/development/python-modules/jsonpath/default.nix
new file mode 100644
index 000000000000..383df6e2652e
--- /dev/null
+++ b/pkgs/development/python-modules/jsonpath/default.nix
@@ -0,0 +1,21 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "jsonpath";
+  version = "0.82";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "46d3fd2016cd5b842283d547877a02c418a0fe9aa7a6b0ae344115a2c990fef4";
+  };
+
+  meta = with lib; {
+    description = "An XPath for JSON";
+    homepage = "https://github.com/json-path/JsonPath";
+    license = licenses.mit;
+    maintainers = [ maintainers.mic92 ];
+  };
+}
diff --git a/pkgs/development/python-modules/jupytext/default.nix b/pkgs/development/python-modules/jupytext/default.nix
index 41eb2b58ca88..a77a1a576b47 100644
--- a/pkgs/development/python-modules/jupytext/default.nix
+++ b/pkgs/development/python-modules/jupytext/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "jupytext";
-  version = "1.3.2";
+  version = "1.3.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "081c8dbql93bpl72pzg0z8vg482r3f350490mhqn965s10bz8say";
+    sha256 = "0jijf4a3iaskzi6frjwhd8drh7brn94r1zl7gni6d0dzr296mm93";
   };
 
   propagatedBuildInputs = [
@@ -32,7 +32,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Jupyter notebooks as Markdown documents, Julia, Python or R scripts";
-    homepage = https://github.com/mwouts/jupytext;
+    homepage = "https://github.com/mwouts/jupytext";
     license = licenses.mit;
     maintainers = with maintainers; [ timokau ];
   };
diff --git a/pkgs/development/python-modules/localzone/default.nix b/pkgs/development/python-modules/localzone/default.nix
index 9c968fa37229..3827c2972058 100644
--- a/pkgs/development/python-modules/localzone/default.nix
+++ b/pkgs/development/python-modules/localzone/default.nix
@@ -8,13 +8,13 @@
 
 buildPythonPackage rec {
   pname = "localzone";
-  version = "0.9.5";
+  version = "0.9.6";
 
   src = fetchFromGitHub {
     owner = "ags-slc";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1zziqyhbg8vg901b4hjzzab0paag5cng48vk9xf1hchxk5naf58n";
+    sha256 = "154l7qglsm4jrhqddvlas8cgl9qm2z4dzihv05jmsyqjikcmfwk8";
   };
 
   propagatedBuildInputs = [ dnspython sphinx ];
@@ -27,7 +27,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A simple DNS library for managing zone files";
-    homepage = https://localzone.iomaestro.com;
+    homepage = "https://localzone.iomaestro.com";
     license = licenses.bsd3;
     maintainers = with maintainers; [ flyfloh ];
   };
diff --git a/pkgs/development/python-modules/orderedset/default.nix b/pkgs/development/python-modules/orderedset/default.nix
index f1e6f1bf918e..ac7b21361c97 100644
--- a/pkgs/development/python-modules/orderedset/default.nix
+++ b/pkgs/development/python-modules/orderedset/default.nix
@@ -2,16 +2,16 @@
 
 buildPythonPackage rec {
   pname = "orderedset";
-  version = "2.0.1";
+  version = "2.0.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "11643qr12ypxfffcminlsgl9xz751b2d0pnjl6zn8vfhxddjr57f";
+    sha256 = "0abf19w37kxypsj6v7dz79jj92y1kivjk2zivnrv7rw6bbxwrxdj";
   };
 
   meta = with stdenv.lib; {
     description = "An Ordered Set implementation in Cython";
-    homepage = https://pypi.python.org/pypi/orderedset;
+    homepage = "https://pypi.python.org/pypi/orderedset";
     license = licenses.bsd3;
     maintainers = [ maintainers.jtojnar ];
   };
diff --git a/pkgs/development/python-modules/osmpythontools/default.nix b/pkgs/development/python-modules/osmpythontools/default.nix
new file mode 100644
index 000000000000..1c80dd6fe552
--- /dev/null
+++ b/pkgs/development/python-modules/osmpythontools/default.nix
@@ -0,0 +1,60 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, beautifulsoup4
+, geojson
+, lxml
+, matplotlib
+, numpy
+, pandas
+, ujson
+, xarray
+}:
+
+buildPythonPackage rec {
+  pname = "osmpythontools";
+  version = "0.2.6";
+
+  src = fetchPypi {
+    pname = "OSMPythonTools";
+    inherit version;
+    sha256 = "efc72e3963971c6c7fd94bd374704a5b78eb6c07397a4ffb5f9176c1e4aee096";
+  };
+
+  propagatedBuildInputs = [
+    beautifulsoup4
+    geojson
+    lxml
+    matplotlib
+    numpy
+    pandas
+    ujson
+    xarray
+  ];
+
+  patches = [ ./remove-unused-dependency.patch ];
+
+  # no tests included
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "OSMPythonTools"
+    "OSMPythonTools.api"
+    "OSMPythonTools.data"
+    "OSMPythonTools.element"
+    "OSMPythonTools.nominatim"
+    "OSMPythonTools.overpass"
+  ];
+
+  meta = with lib; {
+    description = "A library to access OpenStreetMap-related services";
+    longDescription = ''
+      The python package OSMPythonTools provides easy access to
+      OpenStreetMap-related services, among them an Overpass endpoint,
+      Nominatim, and the OpenStreetMap editing API.
+    '';
+    homepage = "https://github.com/mocnik-science/osm-python-tools";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ das-g ];
+  };
+}
diff --git a/pkgs/development/python-modules/osmpythontools/remove-unused-dependency.patch b/pkgs/development/python-modules/osmpythontools/remove-unused-dependency.patch
new file mode 100644
index 000000000000..bac80e9bd8cc
--- /dev/null
+++ b/pkgs/development/python-modules/osmpythontools/remove-unused-dependency.patch
@@ -0,0 +1,22 @@
+diff --git a/OSMPythonTools.egg-info/requires.txt b/OSMPythonTools.egg-info/requires.txt
+index 16a5019..e58155c 100644
+--- a/OSMPythonTools.egg-info/requires.txt
++++ b/OSMPythonTools.egg-info/requires.txt
+@@ -1,5 +1,4 @@
+ beautifulsoup4
+-datetime
+ geojson
+ lxml
+ matplotlib
+diff --git a/setup.py b/setup.py
+index 08e9455..1a6435e 100644
+--- a/setup.py
++++ b/setup.py
+@@ -14,7 +14,6 @@ setup(
+     packages = ['OSMPythonTools', 'OSMPythonTools.internal'],
+     install_requires = [
+         'beautifulsoup4',
+-        'datetime',
+         'geojson',
+         'lxml',
+         'matplotlib',
diff --git a/pkgs/development/python-modules/phonenumbers/default.nix b/pkgs/development/python-modules/phonenumbers/default.nix
index 6b219ed0dd17..ff64f9ca82df 100644
--- a/pkgs/development/python-modules/phonenumbers/default.nix
+++ b/pkgs/development/python-modules/phonenumbers/default.nix
@@ -2,16 +2,16 @@
 
 buildPythonPackage rec {
   pname = "phonenumbers";
-  version = "8.11.3";
+  version = "8.11.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1rh0860ml00kw5c4b4r31wz5s8cmd5mpxx5slypdgljk4ralyg6p";
+    sha256 = "13hfcw89kppm8s2qx0s5bafzxjc0qhm9sxmpf6yqvshz2fn82pk8";
   };
 
   meta = {
     description = "Python version of Google's common library for parsing, formatting, storing and validating international phone numbers";
-    homepage    = https://github.com/daviddrysdale/python-phonenumbers;
+    homepage    = "https://github.com/daviddrysdale/python-phonenumbers";
     license     = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [ fadenb ];
   };
diff --git a/pkgs/development/python-modules/poetry/default.nix b/pkgs/development/python-modules/poetry/default.nix
index 44621d353830..2828cb6b3f97 100644
--- a/pkgs/development/python-modules/poetry/default.nix
+++ b/pkgs/development/python-modules/poetry/default.nix
@@ -32,6 +32,7 @@ let
 in buildPythonPackage rec {
   pname = "poetry";
   version = "1.0.3";
+  format = "pyproject";
 
   src = fetchPypi {
     inherit pname version;
@@ -42,12 +43,10 @@ in buildPythonPackage rec {
     substituteInPlace pyproject.toml \
      --replace "pyrsistent = \"^0.14.2\"" "pyrsistent = \"^0.15.0\"" \
      --replace "requests-toolbelt = \"^0.8.0\"" "requests-toolbelt = \"^0.9.0\"" \
-     --replace "importlib-metadata = {version = \"~1.1.3\", python = \"<3.8\"}" \
-       "importlib-metadata = {version = \"~1.3.0\", python = \"<3.8\"}"
+     --replace 'importlib-metadata = {version = "~1.1.3", python = "<3.8"}' \
+       'importlib-metadata = {version = ">=1.3,<2", python = "<3.8"}'
   '';
 
-  format = "pyproject";
-
   nativeBuildInputs = [ intreehooks ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/pushover-complete/default.nix b/pkgs/development/python-modules/pushover-complete/default.nix
new file mode 100644
index 000000000000..b526ba6cab11
--- /dev/null
+++ b/pkgs/development/python-modules/pushover-complete/default.nix
@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, requests
+, six
+, tox
+, pytest
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pushover-complete";
+  version = "1.1.1";
+
+  src = fetchPypi {
+    pname = "pushover_complete";
+    inherit version;
+    sha256 = "8a8f867e1f27762a28a0832c33c6003ca54ee04c935678d124b4c071f7cf5a1f";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    six
+  ];
+
+  checkInputs = [ pytest tox ];
+
+  # Fails also on their travis right now:
+  # - https://travis-ci.org/scolby33/pushover_complete/builds?utm_medium=notification&utm_source=github_status
+  doCheck = pythonOlder "3.7";
+
+  meta = with lib; {
+    description = "A Python package for interacting with *all* aspects of the Pushover API";
+    homepage = https://github.com/scolby33/pushover_complete;
+    license = licenses.mit;
+    maintainers = [ maintainers.mic92 ];
+  };
+}
diff --git a/pkgs/development/python-modules/pyicloud/default.nix b/pkgs/development/python-modules/pyicloud/default.nix
index 50dd1a09890f..1c6fe286db5a 100644
--- a/pkgs/development/python-modules/pyicloud/default.nix
+++ b/pkgs/development/python-modules/pyicloud/default.nix
@@ -10,15 +10,16 @@
 , certifi
 , bitstring
 , unittest2
+, future
 }:
 
 buildPythonPackage rec {
   pname = "pyicloud";
-  version = "0.9.1";
+  version = "0.9.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "580b52e95f67a41ed86c56a514aa2b362f53fbaf23f16c69fb24e0d19fd373ee";
+    sha256 = "1jjkzf7vwms6pymnmdr893830vrymxnq455xnqp21wqhjjiy2amd";
   };
 
   propagatedBuildInputs = [
@@ -30,6 +31,7 @@ buildPythonPackage rec {
     tzlocal
     certifi
     bitstring
+    future
   ];
 
   checkInputs = [ unittest2 ];
diff --git a/pkgs/development/python-modules/pymupdf/default.nix b/pkgs/development/python-modules/pymupdf/default.nix
index 4ff50ad7b96c..7cd504dec810 100644
--- a/pkgs/development/python-modules/pymupdf/default.nix
+++ b/pkgs/development/python-modules/pymupdf/default.nix
@@ -1,11 +1,11 @@
 { stdenv, buildPythonPackage, fetchPypi, mupdf, swig }:
 buildPythonPackage rec {
   pname = "PyMuPDF";
-  version = "1.16.10";
+  version = "1.16.11";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d7893954f97fa6087629f3875f3be066dab51302e7c73f4c98c0516a8e2893fb";
+    sha256 = "006m31qvvdwbpmxnhj1gs7rpd1jb214mf2hacqmisryx8dnb2jm7";
   };
 
   patchPhase = ''
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Python bindings for MuPDF's rendering library.";
-    homepage = https://github.com/pymupdf/PyMuPDF;
+    homepage = "https://github.com/pymupdf/PyMuPDF";
     maintainers = with maintainers; [ teto ];
     license =  licenses.agpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/python-modules/python-mpv-jsonipc/default.nix b/pkgs/development/python-modules/python-mpv-jsonipc/default.nix
new file mode 100644
index 000000000000..18e73f56686d
--- /dev/null
+++ b/pkgs/development/python-modules/python-mpv-jsonipc/default.nix
@@ -0,0 +1,29 @@
+{ lib, buildPythonPackage, fetchFromGitHub, requests
+, tqdm, websocket_client, pythonOlder }:
+
+buildPythonPackage rec {
+  pname = "python-mpv-jsonipc";
+  version = "1.1.6";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "iwalton3";
+    repo = "python-mpv-jsonipc";
+    rev = "v${version}";
+    sha256 = "08bs6qrcf5fi72jijmr2w7zs6aa5976dwv04f11ajwhj6i8kfq35";
+  };
+
+  # 'mpv-jsonipc' does not have any tests
+  doCheck = false;
+
+  propagatedBuildInputs = [ requests tqdm websocket_client ];
+
+  pythonImportsCheck = [ "python_mpv_jsonipc" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/iwalton3/python-mpv-jsonipc";
+    description = "Python API to MPV using JSON IPC";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ colemickens ];
+  };
+}
diff --git a/pkgs/development/python-modules/rasterio/default.nix b/pkgs/development/python-modules/rasterio/default.nix
index 4fe5fd9e63b4..0916695ed43a 100644
--- a/pkgs/development/python-modules/rasterio/default.nix
+++ b/pkgs/development/python-modules/rasterio/default.nix
@@ -6,14 +6,14 @@
 
 buildPythonPackage rec {
   pname = "rasterio";
-  version = "1.1.2";
+  version = "1.1.3";
 
   # Pypi doesn't ship the tests, so we fetch directly from GitHub
   src = fetchFromGitHub {
     owner = "mapbox";
     repo = "rasterio";
     rev = version;
-    sha256 = "12szhfify7wn02cbiz9xapwfyp7bg0zm2ja9wq4jyaz5ijy6rm45";
+    sha256 = "0i081bkmv7qw24ivmdh92ma6x0hnjlf8jgj6rp2c3rb8hjzmi452";
   };
 
   checkInputs = [ boto3 pytest pytestcov packaging hypothesis ] ++ lib.optional (!isPy3k) mock;
@@ -23,7 +23,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python package to read and write geospatial raster data";
     license = licenses.bsd3;
-    homepage = https://rasterio.readthedocs.io/en/latest/;
+    homepage = "https://rasterio.readthedocs.io/en/latest/";
     maintainers = with maintainers; [ mredaelli ];
   };
 }
diff --git a/pkgs/development/python-modules/slackclient/default.nix b/pkgs/development/python-modules/slackclient/default.nix
index 6a16b38c6e15..b2578d5dd63d 100644
--- a/pkgs/development/python-modules/slackclient/default.nix
+++ b/pkgs/development/python-modules/slackclient/default.nix
@@ -1,29 +1,58 @@
-{ stdenv, buildPythonPackage, fetchFromGitHub, websocket_client, requests, six, pytest, codecov, coverage, mock, pytestcov, pytest-mock, responses, flake8 }:
+{ stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, aiohttp
+, black
+, codecov
+, flake8
+, isPy3k
+, mock
+, pytest-mock
+, pytestCheckHook
+, pytestcov
+, pytestrunner
+, requests
+, responses
+, six
+, websocket_client
+}:
 
 buildPythonPackage rec {
   pname = "python-slackclient";
-  version = "1.2.1";
+  version = "2.5.0";
+
+  disabled = !isPy3k;
 
   src = fetchFromGitHub {
     owner  = "slackapi";
     repo   = pname;
     rev    = version;
-    sha256 = "073fwf6fm2sqdp5ms3vm1v3ljh0pldi69k048404rp6iy3cfwkp0";
+    sha256 = "1ngj1mivbln19546195k400w9yaw69g0w6is7c75rqwyxr8wgzsk";
   };
 
-  propagatedBuildInputs = [ websocket_client requests six ];
+  propagatedBuildInputs = [
+    aiohttp
+    websocket_client
+    requests
+    six
+  ];
 
-  checkInputs = [ pytest codecov coverage mock pytestcov pytest-mock responses flake8 ];
-  # test_server.py fails because it needs connection (I think);
-  checkPhase = ''
-    py.test --cov-report= --cov=slackclient tests --ignore=tests/test_server.py
-  '';
+  checkInputs = [
+    black
+    codecov
+    flake8
+    mock
+    pytest-mock
+    pytestCheckHook
+    pytestcov
+    pytestrunner
+    responses
+  ];
 
   meta = with stdenv.lib; {
     description = "A client for Slack, which supports the Slack Web API and Real Time Messaging (RTM) API";
-    homepage = https://github.com/slackapi/python-slackclient;
+    homepage = "https://github.com/slackapi/python-slackclient";
     license = licenses.mit;
-    maintainers = with maintainers; [ psyanticy ];
+    maintainers = with maintainers; [ flokli psyanticy ];
   };
 }
-
diff --git a/pkgs/development/python-modules/smmap/default.nix b/pkgs/development/python-modules/smmap/default.nix
index 366897d3e198..469c892a9034 100644
--- a/pkgs/development/python-modules/smmap/default.nix
+++ b/pkgs/development/python-modules/smmap/default.nix
@@ -2,17 +2,17 @@
 
 buildPythonPackage rec {
   pname = "smmap";
-  version = "0.9.0";
+  version = "3.0.1";
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0qlx25f6n2n9ff37w9gg62f217fzj16xlbh0pkz0lpxxjys64aqf";
+    sha256 = "0ijlnv60y8f41py1wnn5n1a1i81cxd9dfpdhr0k3cgkrcbz8850p";
   };
 
   checkInputs = [ nosexcover ];
 
   meta = {
     description = "A pure python implementation of a sliding window memory map manager";
-    homepage = https://github.com/gitpython-developers/smmap;
+    homepage = "https://github.com/gitpython-developers/smmap";
     maintainers = [ ];
     license = lib.licenses.bsd3;
   };
diff --git a/pkgs/development/python-modules/tensorflow-estimator/1_15_1.nix b/pkgs/development/python-modules/tensorflow-estimator/1_15_1.nix
new file mode 100644
index 000000000000..39c667357c8f
--- /dev/null
+++ b/pkgs/development/python-modules/tensorflow-estimator/1_15_1.nix
@@ -0,0 +1,27 @@
+{ stdenv, fetchPypi, buildPythonPackage
+, numpy
+, absl-py
+, mock
+}:
+
+buildPythonPackage rec {
+  pname = "tensorflow-estimator";
+  version = "1.15.1";
+  format = "wheel";
+
+  src = fetchPypi {
+    pname = "tensorflow_estimator";
+    inherit version format;
+    sha256 = "1fc61wmc0w22frs79j2x4g6wnv5g21xc6rix1g4bsvy9qfvvylw8";
+  };
+
+  propagatedBuildInputs = [ mock numpy absl-py ];
+
+  meta = with stdenv.lib; {
+    description = "TensorFlow Estimator is a high-level API that encapsulates model training, evaluation, prediction, and exporting.";
+    homepage = http://tensorflow.org;
+    license = licenses.asl20;
+    maintainers = with maintainers; [ jyp ];
+  };
+}
+
diff --git a/pkgs/development/python-modules/tensorflow-estimator/default.nix b/pkgs/development/python-modules/tensorflow-estimator/default.nix
index 9f6be4d1ddac..47ce0f83b02d 100644
--- a/pkgs/development/python-modules/tensorflow-estimator/default.nix
+++ b/pkgs/development/python-modules/tensorflow-estimator/default.nix
@@ -1,19 +1,18 @@
 { stdenv, fetchPypi, buildPythonPackage
 , numpy
-, absl-py 
+, absl-py
 , mock
 }:
 
 buildPythonPackage rec {
   pname = "tensorflow-estimator";
-  # This is effectively 1.15.0. Upstream tagged 1.15.0 by mistake before actually updating the version in setup.py, which is why this tag is called 1.15.1.
-  version = "1.15.1";
+  version = "2.1.0";
   format = "wheel";
 
   src = fetchPypi {
     pname = "tensorflow_estimator";
     inherit version format;
-    sha256 = "1fc61wmc0w22frs79j2x4g6wnv5g21xc6rix1g4bsvy9qfvvylw8";
+    sha256 = "0wk9viil54ms1s2ir7zxygqa425i69hx8zngwhdqvw9nlr4gdig5";
   };
 
   propagatedBuildInputs = [ mock numpy absl-py ];
diff --git a/pkgs/development/python-modules/tensorflow-probability/default.nix b/pkgs/development/python-modules/tensorflow-probability/default.nix
index b585ab4f81b5..99a3a978a4e7 100644
--- a/pkgs/development/python-modules/tensorflow-probability/default.nix
+++ b/pkgs/development/python-modules/tensorflow-probability/default.nix
@@ -42,7 +42,7 @@ let
     bazelTarget = ":pip_pkg";
 
     fetchAttrs = {
-      sha256 = "0sjjj9z1dhilhpc8pq4154czrb79z9cm044jvn75kxcjv6v5l2m5";
+      sha256 = "0135nxxvkmjzpd80r1g9fdkk9h62g0xlvp32g5zgk0hkma5kq0bx";
     };
 
     buildAttrs = {
diff --git a/pkgs/development/python-modules/tensorflow-tensorboard/default.nix b/pkgs/development/python-modules/tensorflow-tensorboard/default.nix
index e0108aed5ef6..202b167c7e6c 100644
--- a/pkgs/development/python-modules/tensorflow-tensorboard/default.nix
+++ b/pkgs/development/python-modules/tensorflow-tensorboard/default.nix
@@ -7,6 +7,7 @@
 , markdown
 , futures
 , absl-py
+, google-auth-oauthlib
 }:
 
 # tensorflow/tensorboard is built from a downloaded wheel, because
@@ -15,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "tensorflow-tensorboard";
-  version = "1.15.0";
+  version = "2.1.0";
   format = "wheel";
 
   src = fetchPypi ({
@@ -24,10 +25,10 @@ buildPythonPackage rec {
     format = "wheel";
   } // (if isPy3k then {
     python = "py3";
-    sha256 = "1g62i3nrgp8q9wfsyqqjkkfnsz7x2k018c26kdh527h1yrjjrbac";
+    sha256 = "1wpjdzhjpcdkyaahzd4bl71k4l30z5c55280ndiwj32hw70lxrp6";
   } else {
     python = "py2";
-    sha256 = "0l3zc8j2sh7h1z4qpy8kfvclv3kzndri55p10i42q6xahs9phav1";
+    sha256 = "1f805839xa36wxb7xac9fyxzaww92vw4d50vs6g61wnlr4byp00w";
   }));
 
   propagatedBuildInputs = [
@@ -37,6 +38,7 @@ buildPythonPackage rec {
     markdown
     grpcio
     absl-py
+    google-auth-oauthlib
     # not declared in install_requires, but used at runtime
     # https://github.com/NixOS/nixpkgs/issues/73840
     wheel
diff --git a/pkgs/development/python-modules/tensorflow/bin.nix b/pkgs/development/python-modules/tensorflow/bin.nix
index 38fec9adc7dc..e81dc2dbd002 100644
--- a/pkgs/development/python-modules/tensorflow/bin.nix
+++ b/pkgs/development/python-modules/tensorflow/bin.nix
@@ -14,6 +14,9 @@
 , absl-py
 , grpcio
 , mock
+, scipy
+, wheel
+, opt-einsum
 , backports_weakref
 , tensorflow-estimator
 , tensorflow-tensorboard
@@ -55,21 +58,22 @@ in buildPythonPackage {
 
   src = let
     pyVerNoDot = lib.strings.stringAsChars (x: if x == "." then "" else x) python.pythonVersion;
-    pyver = if stdenv.isDarwin then builtins.substring 0 1 pyVerNoDot else pyVerNoDot;
     platform = if stdenv.isDarwin then "mac" else "linux";
     unit = if cudaSupport then "gpu" else "cpu";
-    key = "${platform}_py_${pyver}_${unit}";
+    key = "${platform}_py_${pyVerNoDot}_${unit}";
   in fetchurl packages.${key};
 
   propagatedBuildInputs = [
     protobuf
     numpy
+    scipy
     termcolor
     grpcio
     six
     astor
     absl-py
     gast
+    opt-einsum
     google-pasta
     wrapt
     tensorflow-estimator
@@ -79,40 +83,94 @@ in buildPythonPackage {
   ] ++ lib.optional (!isPy3k) mock
     ++ lib.optionals (pythonOlder "3.4") [ backports_weakref ];
 
-  nativeBuildInputs = lib.optional cudaSupport addOpenGLRunpath;
+  nativeBuildInputs = [ wheel ] ++ lib.optional cudaSupport addOpenGLRunpath;
 
-  # Upstream has a pip hack that results in bin/tensorboard being in both tensorflow
-  # and the propageted input tensorflow-tensorboard which causes environment collisions.
-  # another possibility would be to have tensorboard only in the buildInputs
-  # https://github.com/tensorflow/tensorflow/blob/v1.7.1/tensorflow/tools/pip_package/setup.py#L79
-  postInstall = ''
-    rm $out/bin/tensorboard
+  preConfigure = ''
+    unset SOURCE_DATE_EPOCH
+
+    # Make sure that dist and the wheel file are writable.
+    chmod u+rwx -R ./dist
+
+    pushd dist
+
+    # Unpack the wheel file.
+    wheel unpack --dest unpacked ./*.whl
+
+    # Tensorflow has a hard dependency on gast==0.2.2, but we relax it to
+    # gast==0.3.2.
+    substituteInPlace ./unpacked/tensorflow*/tensorflow_core/tools/pip_package/setup.py --replace "gast == 0.2.2" "gast == 0.3.2"
+    substituteInPlace ./unpacked/tensorflow*/tensorflow_*.dist-info/METADATA --replace "gast (==0.2.2)" "gast (==0.3.2)"
+
+    # Pack the wheel file back up.
+    wheel pack ./unpacked/tensorflow*
+
+    popd
   '';
 
   # Note that we need to run *after* the fixup phase because the
   # libraries are loaded at runtime. If we run in preFixup then
   # patchelf --shrink-rpath will remove the cuda libraries.
-  postFixup = let
-    rpath = stdenv.lib.makeLibraryPath
-      ([ stdenv.cc.cc.lib zlib ] ++ lib.optionals cudaSupport [ cudatoolkit.out cudatoolkit.lib cudnn nvidia_x11 ]);
-  in
-  lib.optionalString stdenv.isLinux ''
-    rrPath="$out/${python.sitePackages}/tensorflow/:$out/${python.sitePackages}/tensorflow/contrib/tensor_forest/:${rpath}"
-    internalLibPath="$out/${python.sitePackages}/tensorflow/python/_pywrap_tensorflow_internal.so"
-    find $out -type f \( -name '*.so' -or -name '*.so.*' \) | while read lib; do
-      patchelf --set-rpath "$rrPath" "$lib"
-      ${lib.optionalString cudaSupport ''
-        addOpenGLRunpath "$lib"
-      ''}
-    done
-  '';
+  postFixup =
+    let
+      # rpaths we only need to add if CUDA is enabled.
+      cudapaths = lib.optionals cudaSupport [
+        cudatoolkit.out
+        cudatoolkit.lib
+        cudnn
+        nvidia_x11
+      ];
+
+      libpaths = [
+        stdenv.cc.cc.lib
+        zlib
+      ];
+
+      rpath = stdenv.lib.makeLibraryPath (libpaths ++ cudapaths);
+    in
+    lib.optionalString stdenv.isLinux ''
+      # This is an array containing all the directories in the tensorflow2
+      # package that contain .so files.
+      #
+      # TODO: Create this list programmatically, and remove paths that aren't
+      # actually needed.
+      rrPathArr=(
+        "$out/${python.sitePackages}/tensorflow_core/"
+        "$out/${python.sitePackages}/tensorflow_core/compiler/tf2tensorrt/"
+        "$out/${python.sitePackages}/tensorflow_core/compiler/tf2xla/ops/"
+        "$out/${python.sitePackages}/tensorflow_core/lite/experimental/microfrontend/python/ops/"
+        "$out/${python.sitePackages}/tensorflow_core/lite/python/interpreter_wrapper/"
+        "$out/${python.sitePackages}/tensorflow_core/lite/python/optimize/"
+        "$out/${python.sitePackages}/tensorflow_core/python/"
+        "$out/${python.sitePackages}/tensorflow_core/python/framework/"
+        "${rpath}"
+      )
+
+      # The the bash array into a colon-separated list of RPATHs.
+      rrPath=$(IFS=$':'; echo "''${rrPathArr[*]}")
+      echo "about to run patchelf with the following rpath: $rrPath"
+
+      find $out -type f \( -name '*.so' -or -name '*.so.*' \) | while read lib; do
+        echo "about to patchelf $lib..."
+        chmod a+rx "$lib"
+        patchelf --set-rpath "$rrPath" "$lib"
+        ${lib.optionalString cudaSupport ''
+          addOpenGLRunpath "$lib"
+        ''}
+      done
+    '';
 
+  pythonImportsCheck = [
+    "tensorflow"
+    "tensorflow.keras"
+    "tensorflow.python"
+    "tensorflow.python.framework"
+  ];
 
   meta = with stdenv.lib; {
     description = "Computation using data flow graphs for scalable machine learning";
     homepage = http://tensorflow.org;
     license = licenses.asl20;
-    maintainers = with maintainers; [ jyp abbradar ];
+    maintainers = with maintainers; [ jyp abbradar cdepillabout ];
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
     # Python 2.7 build uses different string encoding.
     # See https://github.com/NixOS/nixpkgs/pull/37044#issuecomment-373452253
diff --git a/pkgs/development/python-modules/tensorflow/binary-hashes.nix b/pkgs/development/python-modules/tensorflow/binary-hashes.nix
index fa4809dc3f19..90848e93273f 100644
--- a/pkgs/development/python-modules/tensorflow/binary-hashes.nix
+++ b/pkgs/development/python-modules/tensorflow/binary-hashes.nix
@@ -1,43 +1,51 @@
 {
-version = "1.14.0";
+version = "2.1.0";
+linux_py_27_gpu = {
+  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.1.0-cp27-cp27mu-manylinux2010_x86_64.whl";
+  sha256 = "17lnhr7vdrls68c79n3sah5rpd0q1x2v5m84azvlyxxh2wpypfmb";
+};
 linux_py_27_cpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-1.14.0-cp27-none-linux_x86_64.whl";
-  sha256 = "0yywdrfk97dh1bxhibspg0raz70fx9lcczj6xlimqy4xb60clx7k";
+  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.1.0-cp27-cp27mu-manylinux2010_x86_64.whl";
+  sha256 = "10lz3i4pcpgqrcbjmxm0n7k1gsqlpna3kdid902j2fy060cpi93z";
+};
+linux_py_35_gpu = {
+  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.1.0-cp35-cp35m-manylinux2010_x86_64.whl";
+  sha256 = "09s081n08dpmflwgir3zwzfijfpmahbh2gy5fn5bv5ll86g1szsy";
 };
 linux_py_35_cpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-1.14.0-cp35-cp35m-linux_x86_64.whl";
-  sha256 = "1xvyb6xcrjhlwvrmrhn5vs9xy7g98smqmpv4i3hhpry4qyasphhj";
+  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.1.0-cp35-cp35m-manylinux2010_x86_64.whl";
+  sha256 = "1aa7v9fnvx03hqvhl3x3xcn41qy6qxw5xybg54ifjvvicp455c8l";
 };
-linux_py_36_cpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-1.14.0-cp36-cp36m-linux_x86_64.whl";
-  sha256 = "1psd9vyxz9f39dwj77nvrg373sxv3p5vdp9fnz81dpsm0b0mwl44";
+linux_py_36_gpu = {
+  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.1.0-cp36-cp36m-manylinux2010_x86_64.whl";
+  sha256 = "1dqp080ljbl9v3115vjp63ls0fimiwym6zxyanyhrlk8kwsq20zc";
 };
-linux_py_37_cpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-1.14.0-cp37-cp37m-linux_x86_64.whl";
-  sha256 = "0bg2sb1n2ag27r7ww695kg5hb0mjrw4kc5893krmixx2j71860c5";
+linux_py_36_cpu = {
+  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.1.0-cp36-cp36m-manylinux2010_x86_64.whl";
+  sha256 = "133z8anx7xm9rr5i9s9dwnp1wf06nr6s7q1lbs4lxpk6kn9nl480";
 };
-linux_py_27_gpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-1.14.0-cp27-none-linux_x86_64.whl";
-  sha256 = "0y1x91gayg6pjddgl8ndcm63wfzhyv4s5khgl7ffzsgni1ivaqw5";
+linux_py_37_gpu = {
+  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.1.0-cp37-cp37m-manylinux2010_x86_64.whl";
+  sha256 = "0yabl3xmcpr67w0zksqs3qc68nl9ax0vcd7w7b35nq8f65xl0ghy";
 };
-linux_py_35_gpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-1.14.0-cp35-cp35m-linux_x86_64.whl";
-  sha256 = "03piggpbz1jx8m2b95spq3jrdff4w6xx63ji07am7hyw2nsgx3mx";
+linux_py_37_cpu = {
+  url = "https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.1.0-cp37-cp37m-manylinux2010_x86_64.whl";
+  sha256 = "04gngbngyg7p1gwx1q89my0cl8j7lq4kknqh51s2ynrix71zvsy6";
 };
-linux_py_36_gpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-1.14.0-cp36-cp36m-linux_x86_64.whl";
-  sha256 = "0ypkp8cfhharsyyikb1qgf44cfm6284km9xswzvzymjzz75vg3gd";
+mac_py_27_cpu = {
+  url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.1.0-cp27-cp27m-macosx_10_9_x86_64.whl";
+  sha256 = "1mprp72w5kk0lyjm2mh4lf57827xk3wsg28c4gizwm00ydfgacg6";
 };
-linux_py_37_gpu = {
-  url = "https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-1.14.0-cp37-cp37m-linux_x86_64.whl";
-  sha256 = "0virp8nn2ysx4855hq29kas6fm6b3dsiybwzdxy9nnb9n2d8qlm2";
+mac_py_35_cpu = {
+  url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.1.0-cp35-cp35m-macosx_10_6_intel.whl";
+  sha256 = "1as7brf5ai6r7v1di9646jfrbnirpk2b0d1g29mn3shavb62kw8w";
 };
-mac_py_2_cpu = {
-  url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-1.14.0-py2-none-any.whl";
-  sha256 = "14f86k3pgq7z6i4s4im55zpp38f0drnm7xlclavsgcc0nxnj3z26";
+mac_py_36_cpu = {
+  url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.1.0-cp36-cp36m-macosx_10_9_x86_64.whl";
+  sha256 = "1v1rw9kjrskhcq1yas4ly2yfnzf2i1pjh6qg6zixfbkpkw7sw3wc";
 };
-mac_py_3_cpu = {
-  url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-1.14.0-py3-none-any.whl";
-  sha256 = "0f3swpcjfgqhj6h5wnx8snc0xjkx4hnkqx83fmlrwpncs8c131d3";
+mac_py_37_cpu = {
+  url = "https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.1.0-cp37-cp37m-macosx_10_9_x86_64.whl";
+  sha256 = "1hh4n0d97mrq35cmmsrnlmcv9vlswsyjy368lj3pda3y9dvck3rf";
 };
 }
diff --git a/pkgs/development/python-modules/tensorflow/default.nix b/pkgs/development/python-modules/tensorflow/default.nix
index a9f3ebf9e486..cdf659a74dc7 100644
--- a/pkgs/development/python-modules/tensorflow/default.nix
+++ b/pkgs/development/python-modules/tensorflow/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, pkgs, buildBazelPackage, lib, fetchFromGitHub, fetchpatch, symlinkJoin
+{ stdenv, pkgs, bazel_1, buildBazelPackage, lib, fetchFromGitHub, fetchpatch, symlinkJoin
 , addOpenGLRunpath
 # Python deps
 , buildPythonPackage, isPy3k, pythonOlder, pythonAtLeast, python
@@ -7,7 +7,7 @@
 , future, setuptools, wheel, keras-preprocessing, keras-applications, google-pasta
 , functools32
 , opt-einsum
-, termcolor, grpcio, six, wrapt, protobuf, tensorflow-estimator
+, termcolor, grpcio, six, wrapt, protobuf, tensorflow-estimator_1_15_1
 # Common deps
 , git, swig, which, binutils, glibcLocales, cython
 # Common libraries
@@ -69,7 +69,7 @@ let
 
   tfFeature = x: if x then "1" else "0";
 
-  version = "1.15.0";
+  version = "1.15.1";
   variant = if cudaSupport then "-gpu" else "";
   pname = "tensorflow${variant}";
 
@@ -94,6 +94,7 @@ let
 
   bazel-build = buildBazelPackage {
     name = "${pname}-${version}";
+    bazel = bazel_1;
 
     src = fetchFromGitHub {
       owner = "tensorflow";
@@ -114,6 +115,11 @@ let
         url = "https://github.com/tensorflow/tensorflow/pull/29673/commits/498e35a3bfe38dd75cf1416a1a23c07c3b59e6af.patch";
         sha256 = "1m2qmwv1ysqa61z6255xggwbq6mnxbig749bdvrhnch4zydxb4di";
       })
+      (fetchpatch {
+        name = "backport-pr-18950.patch";
+        url = "https://github.com/tensorflow/tensorflow/commit/73640aaec2ab0234d9fff138e3c9833695570c0a.patch";
+        sha256 = "1n9ypbrx36fc1kc9cz5b3p9qhg15xxhq4nz6ap3hwqba535nakfz";
+      })
 
       ./tf-1.15-bazel-1.0.patch
 
@@ -290,10 +296,12 @@ let
       TF_SYSTEM_LIBS = null;
 
       # cudaSupport causes fetch of ncclArchive, resulting in different hashes
+      # FIXME: can't (re)produce this output with current bazel.
+      # FIXME: build log: https://gist.github.com/andir/eff3e9c8eda5b56c8ea84903aed9cc35
       sha256 = if cudaSupport then
-        "1rbg8w8pjf15hpvzrclsi19lhsrwdns6f8psb1wz35ay0ggdw8c0"
+        "0gyhjvzshgj59mbns8njlfl9qpz4sdg4j0xs2dva0w2nql7cr7im"
       else
-        "0d8wq89iz9vrzvr971mgdclxxjcjr32r7aj817h019x3pc53qnwx";
+        "04jvg3mc2si4xdbszc1vnw1rmf22p7snbjphmnklp7bc39jxkcrz";
     };
 
     buildAttrs = {
@@ -368,7 +376,7 @@ in buildPythonPackage {
     numpy
     six
     protobuf
-    tensorflow-estimator
+    tensorflow-estimator_1_15_1
     termcolor
     wrapt
     grpcio
diff --git a/pkgs/development/python-modules/tensorflow/prefetcher.sh b/pkgs/development/python-modules/tensorflow/prefetcher.sh
index d590fb0f1732..abb0faac2834 100755
--- a/pkgs/development/python-modules/tensorflow/prefetcher.sh
+++ b/pkgs/development/python-modules/tensorflow/prefetcher.sh
@@ -1,33 +1,44 @@
 #!/usr/bin/env bash
 
-version=1.14.0
+version=2.1.0
+
+# List of binary wheels for Tensorflow.  The most recent versions can be found
+# on the following page:
+# https://www.tensorflow.org/install/pip?lang=python3#package-location
+url_and_key_list=(
+  "linux_py_27_gpu https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-${version}-cp27-cp27mu-manylinux2010_x86_64.whl"
+  "linux_py_27_cpu https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-${version}-cp27-cp27mu-manylinux2010_x86_64.whl"
+  "linux_py_35_gpu https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-${version}-cp35-cp35m-manylinux2010_x86_64.whl"
+  "linux_py_35_cpu https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-${version}-cp35-cp35m-manylinux2010_x86_64.whl"
+  "linux_py_36_gpu https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-${version}-cp36-cp36m-manylinux2010_x86_64.whl"
+  "linux_py_36_cpu https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-${version}-cp36-cp36m-manylinux2010_x86_64.whl"
+  "linux_py_37_gpu https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-${version}-cp37-cp37m-manylinux2010_x86_64.whl"
+  "linux_py_37_cpu https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-${version}-cp37-cp37m-manylinux2010_x86_64.whl"
+  "mac_py_27_cpu https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-${version}-cp27-cp27m-macosx_10_9_x86_64.whl"
+  "mac_py_35_cpu https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-${version}-cp35-cp35m-macosx_10_6_intel.whl"
+  "mac_py_36_cpu https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-${version}-cp36-cp36m-macosx_10_9_x86_64.whl"
+  "mac_py_37_cpu https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-${version}-cp37-cp37m-macosx_10_9_x86_64.whl"
+)
+
 hashfile=binary-hashes.nix
 rm -f $hashfile
 echo "{" >> $hashfile
 echo "version = \"$version\";" >> $hashfile
-for sys in "linux" "mac"; do
-    for tfpref in "cpu/tensorflow" "gpu/tensorflow_gpu"; do
-        for pykind in "py2-none-any" "py3-none-any" "cp27-none-linux_x86_64" "cp35-cp35m-linux_x86_64" "cp36-cp36m-linux_x86_64" "cp37-cp37m-linux_x86_64"; do
-            if [ $sys == "mac" ]; then
-               [[ $pykind =~ py.* ]] && [[ $tfpref =~ cpu.* ]]
-               result=$?
-               pyver=${pykind:2:1}
-               flavour=cpu
-            else
-               [[ $pykind =~ .*linux.* ]]
-               result=$?
-               pyver=${pykind:2:2}
-               flavour=${tfpref:0:3}
-            fi
-            if [ $result == 0 ]; then
-                url=https://storage.googleapis.com/tensorflow/$sys/$tfpref-$version-$pykind.whl
-                hash=$(nix-prefetch-url $url)
-                echo "${sys}_py_${pyver}_${flavour} = {" >> $hashfile
-                echo "  url = \"$url\";" >> $hashfile
-                echo "  sha256 = \"$hash\";" >> $hashfile
-                echo "};" >> $hashfile
-            fi
-        done
-    done
+
+for url_and_key in "${url_and_key_list[@]}"; do
+  key=$(echo "$url_and_key" | cut -d' ' -f1)
+  url=$(echo "$url_and_key" | cut -d' ' -f2)
+
+  echo "prefetching ${url}..."
+  hash=$(nix-prefetch-url $url)
+
+  echo "$key = {" >> $hashfile
+  echo "  url = \"$url\";" >> $hashfile
+  echo "  sha256 = \"$hash\";" >> $hashfile
+  echo "};" >> $hashfile
+
+  echo
 done
+
 echo "}" >> $hashfile
+echo "done."
diff --git a/pkgs/development/python-modules/tomlkit/default.nix b/pkgs/development/python-modules/tomlkit/default.nix
index 72e6e0aca632..de48b3736cfc 100644
--- a/pkgs/development/python-modules/tomlkit/default.nix
+++ b/pkgs/development/python-modules/tomlkit/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "tomlkit";
-  version = "0.5.8";
+  version = "0.5.11";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "32c10cc16ded7e4101c79f269910658cc2a0be5913f1252121c3cd603051c269";
+    sha256 = "1kq1663iqxgwrmb883n55ypi5axnixla2hrby9g2x227asifsi7h";
   };
 
   propagatedBuildInputs =
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with lib; {
-    homepage = https://github.com/sdispater/tomlkit;
+    homepage = "https://github.com/sdispater/tomlkit";
     description = "Style-preserving TOML library for Python";
     license = licenses.mit;
     maintainers = with maintainers; [ jakewaksbaum ];
diff --git a/pkgs/development/ruby-modules/bundled-common/default.nix b/pkgs/development/ruby-modules/bundled-common/default.nix
index 0812ff590a50..66f33f6e31f4 100644
--- a/pkgs/development/ruby-modules/bundled-common/default.nix
+++ b/pkgs/development/ruby-modules/bundled-common/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, runCommand, ruby, lib
+{ stdenv, runCommand, ruby, lib, rsync
 , defaultGemConfig, buildRubyGem, buildEnv
 , makeWrapper
 , bundler
@@ -13,6 +13,7 @@
 , lockfile ? null
 , gemset ? null
 , ruby ? defs.ruby
+, copyGemFiles ? false # Copy gem files instead of symlinking
 , gemConfig ? defaultGemConfig
 , postBuild ? null
 , document ? []
@@ -96,7 +97,8 @@ let
 
   envPaths = lib.attrValues gems ++ lib.optional (!hasBundler) bundler;
 
-  basicEnv = buildEnv {
+
+  basicEnvArgs = {
     inherit buildInputs ignoreCollisions;
 
     name = name';
@@ -154,5 +156,17 @@ let
         };
     };
   };
+
+  basicEnv =
+    if copyGemFiles then
+      runCommand name' basicEnvArgs ''
+        mkdir -p $out
+        for i in $paths; do
+          ${rsync}/bin/rsync -a $i/lib $out/
+        done
+        eval "$postBuild"
+      ''
+    else
+      buildEnv basicEnvArgs;
 in
   basicEnv
diff --git a/pkgs/development/ruby-modules/bundler-env/default.nix b/pkgs/development/ruby-modules/bundler-env/default.nix
index 9e9ccb128cf9..d412d10102f7 100644
--- a/pkgs/development/ruby-modules/bundler-env/default.nix
+++ b/pkgs/development/ruby-modules/bundler-env/default.nix
@@ -1,4 +1,6 @@
-{ ruby, lib, callPackage, defaultGemConfig, buildEnv, bundler }@defs:
+{ ruby, lib, callPackage, defaultGemConfig, buildEnv, runCommand
+, bundler, rsync
+}@defs:
 
 { name ? null
 , pname ? null
@@ -8,6 +10,7 @@
 , gemset ? null
 , groups ? ["default"]
 , ruby ? defs.ruby
+, copyGemFiles ? false # Copy gem files instead of symlinking
 , gemConfig ? defaultGemConfig
 , postBuild ? null
 , document ? []
@@ -38,23 +41,35 @@ in
   if pname == null then
     basicEnv // { inherit name basicEnv; }
   else
-    (buildEnv {
-      inherit ignoreCollisions;
-
-      name = basicEnv.name;
-
-      paths = envPaths;
-      pathsToLink = [ "/lib" ];
-
-      postBuild = genStubsScript {
-        inherit lib ruby bundler groups;
-        confFiles = basicEnv.confFiles;
-        binPaths = [ basicEnv.gems.${pname} ];
-      } + lib.optionalString (postBuild != null) postBuild;
-
-      meta = { platforms = ruby.meta.platforms; } // meta;
-      passthru = basicEnv.passthru // {
-        inherit basicEnv;
-        inherit (basicEnv) env;
-      } // passthru;
-    })
+    let
+      bundlerEnvArgs = {
+        inherit ignoreCollisions;
+
+        name = basicEnv.name;
+
+        paths = envPaths;
+        pathsToLink = [ "/lib" ];
+
+        postBuild = genStubsScript {
+          inherit lib ruby bundler groups;
+          confFiles = basicEnv.confFiles;
+          binPaths = [ basicEnv.gems.${pname} ];
+        } + lib.optionalString (postBuild != null) postBuild;
+
+        meta = { platforms = ruby.meta.platforms; } // meta;
+        passthru = basicEnv.passthru // {
+          inherit basicEnv;
+          inherit (basicEnv) env;
+        } // passthru;
+      };
+    in
+      if copyGemFiles then
+        runCommand basicEnv.name bundlerEnvArgs ''
+          mkdir -p $out
+          for i in $paths; do
+            ${rsync}/bin/rsync -a $i/lib $out/
+          done
+          eval "$postBuild"
+        ''
+      else
+        buildEnv bundlerEnvArgs
diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index f26e33ca2427..65f27f497b7f 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -39,15 +39,6 @@ let
 in
 
 {
-  asciidoctor-diagram = { version, ruby, ... }: {
-    postInstall = ''
-      # Delete vendored JAR files unless using JRuby.
-      if ruby -e 'exit(RUBY_PLATFORM != "java")'; then
-          rm -v $out/${ruby.gemPath}/gems/$gemName-${version}/lib/*.jar
-      fi
-    '';
-  };
-
   atk = attrs: {
     dependencies = attrs.dependencies ++ [ "gobject-introspection" ];
     nativeBuildInputs = [ rake bundler pkgconfig ];
@@ -506,7 +497,7 @@ in
         --replace "gobject-2.0" "${glib.out}/lib/libgobject-2.0${stdenv.hostPlatform.extensions.sharedLibrary}"
 
       substituteInPlace lib/vips.rb \
-        --replace "vips_libname = 'vips'" "vips_libname = '${vips}/lib/libvips${stdenv.hostPlatform.extensions.sharedLibrary}'"
+        --replace "vips_libname = 'vips'" "vips_libname = '${stdenv.lib.getLib vips}/lib/libvips${stdenv.hostPlatform.extensions.sharedLibrary}'"
     '';
   };
 
diff --git a/pkgs/development/tools/analysis/checkstyle/default.nix b/pkgs/development/tools/analysis/checkstyle/default.nix
index 5ac52c71abea..8649c05d73b9 100644
--- a/pkgs/development/tools/analysis/checkstyle/default.nix
+++ b/pkgs/development/tools/analysis/checkstyle/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, makeWrapper, jre }:
 
 stdenv.mkDerivation rec {
-  version = "8.29";
+  version = "8.30";
   pname = "checkstyle";
 
   src = fetchurl {
     url = "https://github.com/checkstyle/checkstyle/releases/download/checkstyle-${version}/checkstyle-${version}-all.jar";
-    sha256 = "1rbipf4031inv34ci0rczz7dipi3b12cpn45h949i095gdh37pgh";
+    sha256 = "1wsgpfdqasfz6chhy0w5pdjm4by6ih2g0l44lxwks9kik2lrs4av";
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
       adheres to a coding standard. By default it supports the Sun Code
       Conventions, but is highly configurable.
     '';
-    homepage = http://checkstyle.sourceforge.net/;
+    homepage = "http://checkstyle.sourceforge.net/";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ pSub ];
     platforms = jre.meta.platforms;
diff --git a/pkgs/development/tools/analysis/flow/default.nix b/pkgs/development/tools/analysis/flow/default.nix
index 4772a0e2308e..67ded5bbb4a9 100644
--- a/pkgs/development/tools/analysis/flow/default.nix
+++ b/pkgs/development/tools/analysis/flow/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "flow";
-  version = "0.119.0";
+  version = "0.119.1";
 
   src = fetchFromGitHub {
     owner  = "facebook";
     repo   = "flow";
     rev    = "refs/tags/v${version}";
-    sha256 = "0myvhdanhwljqa3irmkkdchd81416xnh9w0mgdajyh4az4safc1k";
+    sha256 = "1p3kjdm4lsbc2lzab3kj1fjvccv8p47bj4s3jnfp2n7qppy7sbbf";
   };
 
   installPhase = ''
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A static type checker for JavaScript";
-    homepage = https://flow.org/;
+    homepage = "https://flow.org/";
     changelog = "https://github.com/facebook/flow/releases/tag/v${version}";
     license = licenses.mit;
     platforms = ocamlPackages.ocaml.meta.platforms;
diff --git a/pkgs/development/tools/analysis/lcov/default.nix b/pkgs/development/tools/analysis/lcov/default.nix
index a5e8c81e313a..50bb85eae0d4 100644
--- a/pkgs/development/tools/analysis/lcov/default.nix
+++ b/pkgs/development/tools/analysis/lcov/default.nix
@@ -11,11 +11,11 @@ stdenv.mkDerivation rec {
   patches =
     [ (fetchpatch {
         url = https://github.com/linux-test-project/lcov/commit/ebfeb3e179e450c69c3532f98cd5ea1fbf6ccba7.patch;
-        sha256 = "1z9jfqpj34jnzdvmqr5fs8hl56bvbwd8xhlbg3chcswbjj97vk7l";
+        sha256 = "0dalkqbjb6a4vp1lcsxd39dpn5fzdf7ihsjbiviq285s15nxdj1j";
       })
       (fetchpatch {
         url = https://github.com/linux-test-project/lcov/commit/75fbae1cfc5027f818a0bb865bf6f96fab3202da.patch;
-        sha256 = "1wgd4y7vhvfnxyhdd0z2pi9ys6l0z88f14i69a7prb296m1zwg5j";
+        sha256 = "0v1hn0511dxqbf50ppwasc6vmg0m6rns7ydbdy2rdbn0j7gxw30x";
       })
     ];
 
diff --git a/pkgs/development/tools/analysis/radare2/default.nix b/pkgs/development/tools/analysis/radare2/default.nix
index 49c749b21237..8fe5f7a0cab1 100644
--- a/pkgs/development/tools/analysis/radare2/default.nix
+++ b/pkgs/development/tools/analysis/radare2/default.nix
@@ -99,7 +99,7 @@ let
 
       meta = {
         description = "unix-like reverse engineering framework and commandline tools";
-        homepage = http://radare.org/;
+        homepage = "http://radare.org/";
         license = stdenv.lib.licenses.gpl2Plus;
         maintainers = with stdenv.lib.maintainers; [ raskin makefu mic92 ];
         platforms = with stdenv.lib.platforms; linux;
@@ -110,17 +110,17 @@ in {
   #<generated>
   # DO NOT EDIT! Automatically generated by ./update.py
   radare2 = generic {
-    version_commit = "23781";
-    gittap = "4.2.1";
-    gittip = "08478fdd29d8ce2a6c61fbd7b207bffc10682938";
-    rev = "4.2.1";
-    version = "4.2.1";
-    sha256 = "14b9433cgc2nabhz836zfgvgh2dwailcmvy05krsa0inmzbvx9fg";
+    version_commit = "23881";
+    gittap = "4.3.0";
+    gittip = "bb78ef34573020a6e92a975d0dafcddff52e6892";
+    rev = "4.3.0";
+    version = "4.3.0";
+    sha256 = "19mj419shphcgsf6ndii5i45dcac0nwiwnzp83wccnivpyfhcpnv";
     cs_ver = "4.0.1";
     cs_sha256 = "0ijwxxk71nr9z91yxw20zfj4bbsbrgvixps5c7cpj163xlzlwba6";
   };
   r2-for-cutter = generic {
-    version_commit = "23781";
+    version_commit = "23881";
     gittap = "4.2.1";
     gittip = "08478fdd29d8ce2a6c61fbd7b207bffc10682938";
     rev = "08478fdd29d8ce2a6c61fbd7b207bffc10682938";
diff --git a/pkgs/development/tools/aws-sam-cli/default.nix b/pkgs/development/tools/aws-sam-cli/default.nix
index f5a5d0e65d65..38fd32f38b65 100644
--- a/pkgs/development/tools/aws-sam-cli/default.nix
+++ b/pkgs/development/tools/aws-sam-cli/default.nix
@@ -30,11 +30,11 @@ with py.pkgs;
 
 buildPythonApplication rec {
   pname = "aws-sam-cli";
-  version = "0.41.0";
+  version = "0.43.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1v21bhylys1mvrsvxqw88cvghl6s46hdni52xn661bbn4byrrv3b";
+    sha256 = "0v852636chil5n4cjqjvh29hhik881pkljs64jy5jiznbrph9ryr";
   };
 
   # Tests are not included in the PyPI package
diff --git a/pkgs/development/tools/bazel-watcher/default.nix b/pkgs/development/tools/bazel-watcher/default.nix
index 62ecc47b17bd..29276fb6bfba 100644
--- a/pkgs/development/tools/bazel-watcher/default.nix
+++ b/pkgs/development/tools/bazel-watcher/default.nix
@@ -62,7 +62,7 @@ buildBazelPackage rec {
       sed -e '/^FILE:@bazel_gazelle_go_repository_tools.*/d' -i $bazelOut/external/\@*.marker
     '';
 
-    sha256 = "0g2y283glx2ykxxqc3vsg520a6s2w5d937wndhgpfajc5yjgiz43";
+    sha256 = "0cmj186n2y1g9kkdhcivmh2qvigvpnbp03m575b7hgsxi1cp3ssj";
   };
 
   buildAttrs = {
diff --git a/pkgs/development/tools/build-managers/bazel/default.nix b/pkgs/development/tools/build-managers/bazel/bazel-latest/default.nix
index 2a784b30b322..6c12003b9649 100644
--- a/pkgs/development/tools/build-managers/bazel/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/bazel-latest/default.nix
@@ -160,7 +160,7 @@ stdenv.mkDerivation rec {
     # On Darwin, the last argument to gcc is coming up as an empty string. i.e: ''
     # This is breaking the build of any C target. This patch removes the last
     # argument if it's found to be an empty string.
-    ./trim-last-argument-to-gcc-if-empty.patch
+    ../trim-last-argument-to-gcc-if-empty.patch
 
     # --experimental_strict_action_env (which may one day become the default
     # see bazelbuild/bazel#2574) hardcodes the default
@@ -169,17 +169,17 @@ stdenv.mkDerivation rec {
     # So we are replacing this bazel paths by defaultShellPath,
     # improving hermeticity and making it work in nixos.
     (substituteAll {
-      src = ./strict_action_env.patch;
+      src = ../strict_action_env.patch;
       strictActionEnvPatch = defaultShellPath;
     })
 
     # bazel reads its system bazelrc in /etc
     # override this path to a builtin one
     (substituteAll {
-      src = ./bazel_rc.patch;
+      src = ../bazel_rc.patch;
       bazelSystemBazelRCPath = bazelRC;
     })
-  ] ++ lib.optional enableNixHacks ./nix-hacks.patch;
+  ] ++ lib.optional enableNixHacks ../nix-hacks.patch;
 
 
   # Additional tests that check bazel’s functionality. Execute
@@ -290,7 +290,7 @@ stdenv.mkDerivation rec {
     #!${runtimeShell}
     cat ${runCommand "bazel-deps.json" {} ''
         ${unzip}/bin/unzip ${src} WORKSPACE
-        ${python3}/bin/python3 ${./update-srcDeps.py} ./WORKSPACE > $out
+        ${python3}/bin/python3 ${../update-srcDeps.py} ./WORKSPACE > $out
     ''} > ${builtins.toString ./src-deps.json}
   '';
 
diff --git a/pkgs/development/tools/build-managers/bazel/src-deps.json b/pkgs/development/tools/build-managers/bazel/bazel-latest/src-deps.json
index 7517a8c1b958..7517a8c1b958 100644
--- a/pkgs/development/tools/build-managers/bazel/src-deps.json
+++ b/pkgs/development/tools/build-managers/bazel/bazel-latest/src-deps.json
diff --git a/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix b/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix
index ffdeb01c2bb1..3222406c15d7 100644
--- a/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix
@@ -64,7 +64,7 @@ buildBazelPackage rec {
       sed -e '/^FILE:@bazel_gazelle_go_repository_tools.*/d' -i $bazelOut/external/\@*.marker
     '';
 
-    sha256 = "1n66hg1w5jv2rc8q4sjlaf0agvxr713aa40mbkhgjv57x9j7bgn0";
+    sha256 = "141kw2zpr612xdcrg6x9kslg4d5b3fbpzx0vgp3lqwdihfj3sc1l";
   };
 
   buildAttrs = {
diff --git a/pkgs/development/tools/build-managers/bazel/bazel_1/default.nix b/pkgs/development/tools/build-managers/bazel/bazel_1/default.nix
new file mode 100644
index 000000000000..ffb5714631ca
--- /dev/null
+++ b/pkgs/development/tools/build-managers/bazel/bazel_1/default.nix
@@ -0,0 +1,559 @@
+{ stdenv, callPackage, lib, fetchurl, fetchFromGitHub
+, runCommand, runCommandCC, makeWrapper, recurseIntoAttrs
+# this package (through the fixpoint glass)
+, bazel_1
+, lr, xe, zip, unzip, bash, writeCBin, coreutils
+, which, gawk, gnused, gnutar, gnugrep, gzip, findutils
+# updater
+, python27, python3, writeScript
+# Apple dependencies
+, cctools, libcxx, CoreFoundation, CoreServices, Foundation
+# Allow to independently override the jdks used to build and run respectively
+, buildJdk, runJdk
+, buildJdkName
+, runtimeShell
+# Downstream packages for tests
+, bazel-watcher
+# Always assume all markers valid (this is needed because we remove markers; they are non-deterministic).
+# Also, don't clean up environment variables (so that NIX_ environment variables are passed to compilers).
+, enableNixHacks ? false
+, gcc-unwrapped
+, autoPatchelfHook
+, file
+, substituteAll
+, writeTextFile
+}:
+
+let
+  version = "1.2.1";
+
+  src = fetchurl {
+    url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
+    sha256 = "1qfk14mgx1m454b4w4ldggljzqkqwpdwrlynq7rc8aq11yfs8p95";
+  };
+
+  # Update with `eval $(nix-build -A bazel.updater)`,
+  # then add new dependencies from the dict in ./src-deps.json as required.
+  srcDeps = lib.attrsets.attrValues srcDepsSet;
+  srcDepsSet =
+    let
+      srcs = (builtins.fromJSON (builtins.readFile ./src-deps.json));
+      toFetchurl = d: lib.attrsets.nameValuePair d.name (fetchurl {
+        urls = d.urls;
+        sha256 = d.sha256;
+        });
+        in builtins.listToAttrs (map toFetchurl [
+      srcs.desugar_jdk_libs
+      srcs.io_bazel_skydoc
+      srcs.bazel_skylib
+      srcs.io_bazel_rules_sass
+      srcs.platforms
+      (if stdenv.hostPlatform.isDarwin
+       then srcs."java_tools_javac11_darwin-v6.1.zip"
+       else srcs."java_tools_javac11_linux-v6.1.zip")
+      srcs."coverage_output_generator-v2.0.zip"
+      srcs.build_bazel_rules_nodejs
+      srcs."android_tools_pkg-0.12.tar.gz"
+      srcs."0.28.3.tar.gz"
+      srcs.rules_pkg
+      srcs.rules_cc
+      srcs.rules_java
+      srcs.rules_proto
+      ]);
+
+  distDir = runCommand "bazel-deps" {} ''
+    mkdir -p $out
+    for i in ${builtins.toString srcDeps}; do cp $i $out/$(stripHash $i); done
+  '';
+
+  defaultShellPath = lib.makeBinPath
+    # Keep this list conservative. For more exotic tools, prefer to use
+    # @rules_nixpkgs to pull in tools from the nix repository. Example:
+    #
+    # WORKSPACE:
+    #
+    #     nixpkgs_git_repository(
+    #         name = "nixpkgs",
+    #         revision = "def5124ec8367efdba95a99523dd06d918cb0ae8",
+    #     )
+    #
+    #     # This defines an external Bazel workspace.
+    #     nixpkgs_package(
+    #         name = "bison",
+    #         repositories = { "nixpkgs": "@nixpkgs//:default.nix" },
+    #     )
+    #
+    # some/BUILD.bazel:
+    #
+    #     genrule(
+    #        ...
+    #        cmd = "$(location @bison//:bin/bison) -other -args",
+    #        tools = [
+    #            ...
+    #            "@bison//:bin/bison",
+    #        ],
+    #     )
+    #
+    [ bash coreutils findutils gawk gnugrep gnutar gnused gzip which unzip file zip ];
+
+  # Java toolchain used for the build and tests
+  javaToolchain = "@bazel_tools//tools/jdk:toolchain_host${buildJdkName}";
+
+  platforms = lib.platforms.linux ++ lib.platforms.darwin;
+
+  # This repository is fetched by bazel at runtime
+  # however it contains prebuilt java binaries, with wrong interpreter
+  # and libraries path.
+  # We prefetch it, patch it, and override it in a global bazelrc.
+  system = if stdenv.hostPlatform.isDarwin then "darwin" else "linux";
+
+  remote_java_tools = stdenv.mkDerivation {
+    name = "remote_java_tools_${system}";
+
+    src = srcDepsSet."java_tools_javac11_${system}-v6.1.zip";
+
+    nativeBuildInputs = [ autoPatchelfHook unzip ];
+    buildInputs = [ gcc-unwrapped ];
+
+    sourceRoot = ".";
+
+    buildPhase = ''
+      mkdir $out;
+    '';
+
+    installPhase = ''
+      cp -Ra * $out/
+      touch $out/WORKSPACE
+    '';
+  };
+
+  bazelRC = writeTextFile {
+    name = "bazel-rc";
+    text = ''
+      build --override_repository=${remote_java_tools.name}=${remote_java_tools}
+      build --distdir=${distDir}
+      startup --server_javabase=${runJdk}
+
+      # load default location for the system wide configuration
+      try-import /etc/bazel.bazelrc
+    '';
+  };
+
+in
+stdenv.mkDerivation rec {
+  pname = "bazel";
+  inherit version;
+
+  meta = with lib; {
+    homepage = "https://github.com/bazelbuild/bazel/";
+    description = "Build tool that builds code quickly and reliably";
+    license = licenses.asl20;
+    maintainers = [ maintainers.mboes ];
+    inherit platforms;
+  };
+
+  inherit src;
+  sourceRoot = ".";
+
+  patches = [
+    # On Darwin, the last argument to gcc is coming up as an empty string. i.e: ''
+    # This is breaking the build of any C target. This patch removes the last
+    # argument if it's found to be an empty string.
+    ../trim-last-argument-to-gcc-if-empty.patch
+    ./glibc.patch
+
+    # --experimental_strict_action_env (which may one day become the default
+    # see bazelbuild/bazel#2574) hardcodes the default
+    # action environment to a non hermetic value (e.g. "/usr/local/bin").
+    # This is non hermetic on non-nixos systems. On NixOS, bazel cannot find the required binaries.
+    # So we are replacing this bazel paths by defaultShellPath,
+    # improving hermeticity and making it work in nixos.
+    (substituteAll {
+      src = ../strict_action_env.patch;
+      strictActionEnvPatch = defaultShellPath;
+    })
+
+    # bazel reads its system bazelrc in /etc
+    # override this path to a builtin one
+    (substituteAll {
+      src = ../bazel_rc.patch;
+      bazelSystemBazelRCPath = bazelRC;
+    })
+  ] ++ lib.optional enableNixHacks ../nix-hacks.patch;
+
+
+  # Additional tests that check bazel’s functionality. Execute
+  #
+  #     nix-build . -A bazel.tests
+  #
+  # in the nixpkgs checkout root to exercise them locally.
+  passthru.tests =
+    let
+      runLocal = name: attrs: script:
+      let
+        attrs' = removeAttrs attrs [ "buildInputs" ];
+        buildInputs = [ python3 ] ++ (attrs.buildInputs or []);
+      in
+      runCommandCC name ({
+        inherit buildInputs;
+        preferLocalBuild = true;
+        meta.platforms = platforms;
+      } // attrs') script;
+
+      # bazel wants to extract itself into $install_dir/install every time it runs,
+      # so let’s do that only once.
+      extracted = bazelPkg:
+        let install_dir =
+          # `install_base` field printed by `bazel info`, minus the hash.
+          # yes, this path is kinda magic. Sorry.
+          "$HOME/.cache/bazel/_bazel_nixbld";
+        in runLocal "bazel-extracted-homedir" { passthru.install_dir = install_dir; } ''
+            export HOME=$(mktemp -d)
+            touch WORKSPACE # yeah, everything sucks
+            install_base="$(${bazelPkg}/bin/bazel info | grep install_base)"
+            # assert it’s actually below install_dir
+            [[ "$install_base" =~ ${install_dir} ]] \
+              || (echo "oh no! $install_base but we are \
+            trying to copy ${install_dir} to $out instead!"; exit 1)
+            cp -R ${install_dir} $out
+          '';
+
+      bazelTest = { name, bazelScript, workspaceDir, bazelPkg, buildInputs ? [] }:
+        let
+          be = extracted bazelPkg;
+        in runLocal name { inherit buildInputs; } (
+          # skip extraction caching on Darwin, because nobody knows how Darwin works
+          (lib.optionalString (!stdenv.hostPlatform.isDarwin) ''
+            # set up home with pre-unpacked bazel
+            export HOME=$(mktemp -d)
+            mkdir -p ${be.install_dir}
+            cp -R ${be}/install ${be.install_dir}
+
+            # https://stackoverflow.com/questions/47775668/bazel-how-to-skip-corrupt-installation-on-centos6
+            # Bazel checks whether the mtime of the install dir files
+            # is >9 years in the future, otherwise it extracts itself again.
+            # see PosixFileMTime::IsUntampered in src/main/cpp/util
+            # What the hell bazel.
+            ${lr}/bin/lr -0 -U ${be.install_dir} | ${xe}/bin/xe -N0 -0 touch --date="9 years 6 months" {}
+          '')
+          +
+          ''
+            # Note https://github.com/bazelbuild/bazel/issues/5763#issuecomment-456374609
+            # about why to create a subdir for the workspace.
+            cp -r ${workspaceDir} wd && chmod u+w wd && cd wd
+
+            ${bazelScript}
+
+            touch $out
+          '');
+
+      bazelWithNixHacks = bazel_1.override { enableNixHacks = true; };
+
+      bazel-examples = fetchFromGitHub {
+        owner = "bazelbuild";
+        repo = "examples";
+        rev = "5d8c8961a2516ebf875787df35e98cadd08d43dc";
+        sha256 = "03c1bwlq5bs3hg96v4g4pg2vqwhqq6w538h66rcpw02f83yy7fs8";
+      };
+
+    in (if !stdenv.hostPlatform.isDarwin then {
+      # `extracted` doesn’t work on darwin
+      shebang = callPackage ./shebang-test.nix { inherit runLocal extracted bazelTest distDir; };
+    } else {}) // {
+      bashTools = callPackage ./bash-tools-test.nix { inherit runLocal bazelTest distDir; };
+      cpp = callPackage ./cpp-test.nix { inherit runLocal bazelTest bazel-examples distDir; };
+      java = callPackage ./java-test.nix { inherit runLocal bazelTest bazel-examples distDir; };
+      protobuf = callPackage ./protobuf-test.nix { inherit runLocal bazelTest distDir; };
+      pythonBinPath = callPackage ./python-bin-path-test.nix { inherit runLocal bazelTest distDir; };
+
+      bashToolsWithNixHacks = callPackage ./bash-tools-test.nix { inherit runLocal bazelTest distDir; bazel = bazelWithNixHacks; };
+
+      cppWithNixHacks = callPackage ./cpp-test.nix { inherit runLocal bazelTest bazel-examples distDir; bazel = bazelWithNixHacks; };
+      javaWithNixHacks = callPackage ./java-test.nix { inherit runLocal bazelTest bazel-examples distDir; bazel = bazelWithNixHacks; };
+      protobufWithNixHacks = callPackage ./protobuf-test.nix { inherit runLocal bazelTest distDir; bazel = bazelWithNixHacks; };
+      pythonBinPathWithNixHacks = callPackage ./python-bin-path-test.nix { inherit runLocal bazelTest distDir; bazel = bazelWithNixHacks; };
+
+      # downstream packages using buildBazelPackage
+      # fixed-output hashes of the fetch phase need to be spot-checked manually
+      downstream = recurseIntoAttrs ({
+        inherit bazel-watcher;
+      }
+          # dm-sonnet is only packaged for linux
+      // (lib.optionalAttrs stdenv.isLinux {
+          # TODO(timokau) dm-sonnet is broken currently
+          # dm-sonnet-linux = python3.pkgs.dm-sonnet;
+      }));
+    };
+
+  # update the list of workspace dependencies
+  passthru.updater = writeScript "update-bazel-deps.sh" ''
+    #!${runtimeShell}
+    cat ${runCommand "bazel-deps.json" {} ''
+        ${unzip}/bin/unzip ${src} WORKSPACE
+        ${python3}/bin/python3 ${../update-srcDeps.py} ./WORKSPACE > $out
+    ''} > ${builtins.toString ./src-deps.json}
+  '';
+
+  # Necessary for the tests to pass on Darwin with sandbox enabled.
+  # Bazel starts a local server and needs to bind a local address.
+  __darwinAllowLocalNetworking = true;
+
+  # Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
+  customBash = writeCBin "bash" ''
+    #include <stdio.h>
+    #include <stdlib.h>
+    #include <string.h>
+    #include <unistd.h>
+
+    extern char **environ;
+
+    int main(int argc, char *argv[]) {
+      char *path = getenv("PATH");
+      char *pathToAppend = "${defaultShellPath}";
+      char *newPath;
+      if (path != NULL) {
+        int length = strlen(path) + 1 + strlen(pathToAppend) + 1;
+        newPath = malloc(length * sizeof(char));
+        snprintf(newPath, length, "%s:%s", path, pathToAppend);
+      } else {
+        newPath = pathToAppend;
+      }
+      setenv("PATH", newPath, 1);
+      execve("${bash}/bin/bash", argv, environ);
+      return 0;
+    }
+  '';
+
+  postPatch = let
+
+    darwinPatches = ''
+      bazelLinkFlags () {
+        eval set -- "$NIX_LDFLAGS"
+        local flag
+        for flag in "$@"; do
+          printf ' -Wl,%s' "$flag"
+        done
+      }
+
+      # Disable Bazel's Xcode toolchain detection which would configure compilers
+      # and linkers from Xcode instead of from PATH
+      export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1
+
+      # Explicitly configure gcov since we don't have it on Darwin, so autodetection fails
+      export GCOV=${coreutils}/bin/false
+
+      # Framework search paths aren't added by bintools hook
+      # https://github.com/NixOS/nixpkgs/pull/41914
+      export NIX_LDFLAGS+=" -F${CoreFoundation}/Library/Frameworks -F${CoreServices}/Library/Frameworks -F${Foundation}/Library/Frameworks"
+
+      # libcxx includes aren't added by libcxx hook
+      # https://github.com/NixOS/nixpkgs/pull/41589
+      export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -isystem ${libcxx}/include/c++/v1"
+
+      # don't use system installed Xcode to run clang, use Nix clang instead
+      sed -i -E "s;/usr/bin/xcrun (--sdk macosx )?clang;${stdenv.cc}/bin/clang $NIX_CFLAGS_COMPILE $(bazelLinkFlags) -framework CoreFoundation;g" \
+        scripts/bootstrap/compile.sh \
+        src/tools/xcode/realpath/BUILD \
+        src/tools/xcode/stdredirect/BUILD \
+        tools/osx/BUILD
+
+      # nixpkgs's libSystem cannot use pthread headers directly, must import GCD headers instead
+      sed -i -e "/#include <pthread\/spawn.h>/i #include <dispatch/dispatch.h>" src/main/cpp/blaze_util_darwin.cc
+
+      # clang installed from Xcode has a compatibility wrapper that forwards
+      # invocations of gcc to clang, but vanilla clang doesn't
+      sed -i -e 's;_find_generic(repository_ctx, "gcc", "CC", overriden_tools);_find_generic(repository_ctx, "clang", "CC", overriden_tools);g' tools/cpp/unix_cc_configure.bzl
+
+      sed -i -e 's;/usr/bin/libtool;${cctools}/bin/libtool;g' tools/cpp/unix_cc_configure.bzl
+      wrappers=( tools/cpp/osx_cc_wrapper.sh tools/cpp/osx_cc_wrapper.sh.tpl )
+      for wrapper in "''${wrappers[@]}"; do
+        sed -i -e "s,/usr/bin/install_name_tool,${cctools}/bin/install_name_tool,g" $wrapper
+      done
+    '';
+
+    genericPatches = ''
+      # Substitute j2objc and objc wrapper's python shebang to plain python path.
+      # These scripts explicitly depend on Python 2.7, hence we use python27.
+      # See also `postFixup` where python27 is added to $out/nix-support
+      substituteInPlace tools/j2objc/j2objc_header_map.py --replace "$!/usr/bin/python2.7" "#!${python27}/bin/python"
+      substituteInPlace tools/j2objc/j2objc_wrapper.py --replace "$!/usr/bin/python2.7" "#!${python27}/bin/python"
+      substituteInPlace tools/objc/j2objc_dead_code_pruner.py --replace "$!/usr/bin/python2.7" "#!${python27}/bin/python"
+
+      # md5sum is part of coreutils
+      sed -i 's|/sbin/md5|md5sum|' \
+        src/BUILD
+
+      # substituteInPlace is rather slow, so prefilter the files with grep
+      grep -rlZ /bin src/main/java/com/google/devtools | while IFS="" read -r -d "" path; do
+        # If you add more replacements here, you must change the grep above!
+        # Only files containing /bin are taken into account.
+        # We default to python3 where possible. See also `postFixup` where
+        # python3 is added to $out/nix-support
+        substituteInPlace "$path" \
+          --replace /bin/bash ${customBash}/bin/bash \
+          --replace "/usr/bin/env bash" ${customBash}/bin/bash \
+          --replace "/usr/bin/env python" ${python3}/bin/python \
+          --replace /usr/bin/env ${coreutils}/bin/env \
+          --replace /bin/true ${coreutils}/bin/true
+      done
+
+      # bazel test runner include references to /bin/bash
+      substituteInPlace tools/build_rules/test_rules.bzl \
+        --replace /bin/bash ${customBash}/bin/bash
+
+      for i in $(find tools/cpp/ -type f)
+      do
+        substituteInPlace $i \
+          --replace /bin/bash ${customBash}/bin/bash
+      done
+
+      # Fixup scripts that generate scripts. Not fixed up by patchShebangs below.
+      substituteInPlace scripts/bootstrap/compile.sh \
+          --replace /bin/bash ${customBash}/bin/bash
+
+      # add nix environment vars to .bazelrc
+      cat >> .bazelrc <<EOF
+      build --distdir=${distDir}
+      fetch --distdir=${distDir}
+      build --copt="$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt="/g')"
+      build --host_copt="$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt="/g')"
+      build --linkopt="-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt="-Wl,/g')"
+      build --host_linkopt="-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt="-Wl,/g')"
+      build --host_javabase='@local_jdk//:jdk'
+      build --host_java_toolchain='${javaToolchain}'
+      EOF
+
+      # add the same environment vars to compile.sh
+      sed -e "/\$command \\\\$/a --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\" \\\\" \
+          -e "/\$command \\\\$/a --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\" \\\\" \
+          -e "/\$command \\\\$/a --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\" \\\\" \
+          -e "/\$command \\\\$/a --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\" \\\\" \
+          -e "/\$command \\\\$/a --host_javabase='@local_jdk//:jdk' \\\\" \
+          -e "/\$command \\\\$/a --host_java_toolchain='${javaToolchain}' \\\\" \
+          -i scripts/bootstrap/compile.sh
+
+      # This is necessary to avoid:
+      # "error: no visible @interface for 'NSDictionary' declares the selector
+      # 'initWithContentsOfURL:error:'"
+      # This can be removed when the apple_sdk is upgraded beyond 10.13+
+      sed -i '/initWithContentsOfURL:versionPlistUrl/ {
+        N
+        s/error:nil\];/\];/
+      }' tools/osx/xcode_locator.m
+
+      # append the PATH with defaultShellPath in tools/bash/runfiles/runfiles.bash
+      echo "PATH=\$PATH:${defaultShellPath}" >> runfiles.bash.tmp
+      cat tools/bash/runfiles/runfiles.bash >> runfiles.bash.tmp
+      mv runfiles.bash.tmp tools/bash/runfiles/runfiles.bash
+
+      patchShebangs .
+    '';
+    in lib.optionalString stdenv.hostPlatform.isDarwin darwinPatches
+     + genericPatches;
+
+  buildInputs = [
+    buildJdk
+    python3
+  ];
+
+  # when a command can’t be found in a bazel build, you might also
+  # need to add it to `defaultShellPath`.
+  nativeBuildInputs = [
+    zip
+    python3
+    unzip
+    makeWrapper
+    which
+    customBash
+  ] ++ lib.optionals (stdenv.isDarwin) [ cctools libcxx CoreFoundation CoreServices Foundation ];
+
+  # Bazel makes extensive use of symlinks in the WORKSPACE.
+  # This causes problems with infinite symlinks if the build output is in the same location as the
+  # Bazel WORKSPACE. This is why before executing the build, the source code is moved into a
+  # subdirectory.
+  # Failing to do this causes "infinite symlink expansion detected"
+  preBuildPhases = ["preBuildPhase"];
+  preBuildPhase = ''
+    mkdir bazel_src
+    shopt -s dotglob extglob
+    mv !(bazel_src) bazel_src
+  '';
+
+  buildPhase = ''
+    # Increasing memory during compilation might be necessary.
+    # export BAZEL_JAVAC_OPTS="-J-Xmx2g -J-Xms200m"
+    ./bazel_src/compile.sh
+    ./bazel_src/scripts/generate_bash_completion.sh \
+        --bazel=./bazel_src/output/bazel \
+        --output=./bazel_src/output/bazel-complete.bash \
+        --prepend=./bazel_src/scripts/bazel-complete-header.bash \
+        --prepend=./bazel_src/scripts/bazel-complete-template.bash
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+
+    # official wrapper scripts that searches for $WORKSPACE_ROOT/tools/bazel
+    # if it can’t find something in tools, it calls $out/bin/bazel-real
+    cp ./bazel_src/scripts/packages/bazel.sh $out/bin/bazel
+    mv ./bazel_src/output/bazel $out/bin/bazel-real
+
+    # shell completion files
+    mkdir -p $out/share/bash-completion/completions $out/share/zsh/site-functions
+    mv ./bazel_src/output/bazel-complete.bash $out/share/bash-completion/completions/bazel
+    cp ./bazel_src/scripts/zsh_completion/_bazel $out/share/zsh/site-functions/
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    export TEST_TMPDIR=$(pwd)
+
+    hello_test () {
+      $out/bin/bazel test --distdir=${distDir} \
+        --test_output=errors \
+        --java_toolchain='${javaToolchain}' \
+        examples/cpp:hello-success_test \
+        examples/java-native/src/test/java/com/example/myproject:hello
+    }
+
+    cd ./bazel_src
+
+    # test whether $WORKSPACE_ROOT/tools/bazel works
+
+    mkdir -p tools
+    cat > tools/bazel <<"EOF"
+    #!${runtimeShell} -e
+    exit 1
+    EOF
+    chmod +x tools/bazel
+
+    # first call should fail if tools/bazel is used
+    ! hello_test
+
+    cat > tools/bazel <<"EOF"
+    #!${runtimeShell} -e
+    exec "$BAZEL_REAL" "$@"
+    EOF
+
+    # second call succeeds because it defers to $out/bin/bazel-real
+    hello_test
+  '';
+
+  # Save paths to hardcoded dependencies so Nix can detect them.
+  postFixup = ''
+    mkdir -p $out/nix-support
+    echo "${customBash} ${defaultShellPath}" >> $out/nix-support/depends
+    # The templates get tar’d up into a .jar,
+    # so nix can’t detect python is needed in the runtime closure
+    # Some of the scripts explicitly depend on Python 2.7. Otherwise, we
+    # default to using python3. Therefore, both python27 and python3 are
+    # runtime dependencies.
+    echo "${python27}" >> $out/nix-support/depends
+    echo "${python3}" >> $out/nix-support/depends
+  '' + lib.optionalString stdenv.isDarwin ''
+    echo "${cctools}" >> $out/nix-support/depends
+  '';
+
+  dontStrip = true;
+  dontPatchELF = true;
+}
diff --git a/pkgs/development/tools/build-managers/bazel/bazel_1/glibc.patch b/pkgs/development/tools/build-managers/bazel/bazel_1/glibc.patch
new file mode 100644
index 000000000000..c4de48068f11
--- /dev/null
+++ b/pkgs/development/tools/build-managers/bazel/bazel_1/glibc.patch
@@ -0,0 +1,78 @@
+From https://github.com/grpc/grpc/commit/57586a1ca7f17b1916aed3dea4ff8de872dbf853
+From: Benjamin Peterson <benjamin@dropbox.com>
+Date: Fri, 3 May 2019 08:11:00 -0700
+Subject: [PATCH] Rename gettid() functions.
+
+glibc 2.30 will declare its own gettid; see https://sourceware.org/git/?p=glibc.git;a=commit;h=1d0fc213824eaa2a8f8c4385daaa698ee8fb7c92. Rename the grpc versions to avoid naming conflicts.
+---
+ src/core/lib/gpr/log_linux.cc          | 6 ++----
+ src/core/lib/gpr/log_posix.cc          | 4 ++--
+ src/core/lib/iomgr/ev_epollex_linux.cc | 4 ++--
+ 3 files changed, 6 insertions(+), 8 deletions(-)
+
+diff --git a/third_party/grpc/src/core/lib/gpr/log_linux.cc b/src/core/lib/gpr/log_linux.cc
+index 81026e5689b..8b597b4cf2f 100644
+--- a/third_party/grpc/src/core/lib/gpr/log_linux.cc
++++ b/third_party/grpc/src/core/lib/gpr/log_linux.cc
+@@ -40,7 +40,7 @@
+ #include <time.h>
+ #include <unistd.h>
+
+-static long gettid(void) { return syscall(__NR_gettid); }
++static long sys_gettid(void) { return syscall(__NR_gettid); }
+
+ void gpr_log(const char* file, int line, gpr_log_severity severity,
+              const char* format, ...) {
+@@ -70,7 +70,7 @@ void gpr_default_log(gpr_log_func_args* args) {
+   gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
+   struct tm tm;
+   static __thread long tid = 0;
+-  if (tid == 0) tid = gettid();
++  if (tid == 0) tid = sys_gettid();
+
+   timer = static_cast<time_t>(now.tv_sec);
+   final_slash = strrchr(args->file, '/');
+diff --git a/third_party/grpc/src/core/lib/gpr/log_posix.cc b/src/core/lib/gpr/log_posix.cc
+index b6edc14ab6b..2f7c6ce3760 100644
+--- a/third_party/grpc/src/core/lib/gpr/log_posix.cc
++++ b/third_party/grpc/src/core/lib/gpr/log_posix.cc
+@@ -31,7 +31,7 @@
+ #include <string.h>
+ #include <time.h>
+
+-static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
++static intptr_t sys_gettid(void) { return (intptr_t)pthread_self(); }
+
+ void gpr_log(const char* file, int line, gpr_log_severity severity,
+              const char* format, ...) {
+@@ -86,7 +86,7 @@ void gpr_default_log(gpr_log_func_args* args) {
+   char* prefix;
+   gpr_asprintf(&prefix, "%s%s.%09d %7" PRIdPTR " %s:%d]",
+                gpr_log_severity_string(args->severity), time_buffer,
+-               (int)(now.tv_nsec), gettid(), display_file, args->line);
++               (int)(now.tv_nsec), sys_gettid(), display_file, args->line);
+
+   fprintf(stderr, "%-70s %s\n", prefix, args->message);
+   gpr_free(prefix);
+diff --git a/third_party/grpc/src/core/lib/iomgr/ev_epollex_linux.cc b/src/core/lib/iomgr/ev_epollex_linux.cc
+index c2d80c08ddb..4a83cb6c215 100644
+--- a/third_party/grpc/src/core/lib/iomgr/ev_epollex_linux.cc
++++ b/third_party/grpc/src/core/lib/iomgr/ev_epollex_linux.cc
+@@ -1077,7 +1077,7 @@ static void end_worker(grpc_pollset* pollset, grpc_pollset_worker* worker,
+ }
+
+ #ifndef NDEBUG
+-static long gettid(void) { return syscall(__NR_gettid); }
++static long sys_gettid(void) { return syscall(__NR_gettid); }
+ #endif
+
+ /* pollset->mu lock must be held by the caller before calling this.
+@@ -1097,7 +1097,7 @@ static grpc_error* pollset_work(grpc_pollset* pollset,
+ #define WORKER_PTR (&worker)
+ #endif
+ #ifndef NDEBUG
+-  WORKER_PTR->originator = gettid();
++  WORKER_PTR->originator = sys_gettid();
+ #endif
+   if (GRPC_TRACE_FLAG_ENABLED(grpc_polling_trace)) {
+     gpr_log(GPR_INFO,
diff --git a/pkgs/development/tools/build-managers/bazel/bazel_1/src-deps.json b/pkgs/development/tools/build-managers/bazel/bazel_1/src-deps.json
new file mode 100644
index 000000000000..7cf939daa72b
--- /dev/null
+++ b/pkgs/development/tools/build-managers/bazel/bazel_1/src-deps.json
@@ -0,0 +1,506 @@
+{
+    "0.16.2.zip": {
+        "name": "0.16.2.zip",
+        "sha256": "9b72bb0aea72d7cbcfc82a01b1e25bf3d85f791e790ddec16c65e2d906382ee0",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_nodejs/archive/0.16.2.zip",
+            "https://github.com/bazelbuild/rules_nodejs/archive/0.16.2.zip"
+        ]
+    },
+    "0.28.3.tar.gz": {
+        "name": "0.28.3.tar.gz",
+        "sha256": "d8c2f20deb2f6143bac792d210db1a4872102d81529fe0ea3476c1696addd7ff",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/0.28.3.tar.gz",
+            "https://github.com/bazelbuild/bazel-toolchains/archive/0.28.3.tar.gz"
+        ]
+    },
+    "0d5f3f2768c6ca2faca0079a997a97ce22997a0c.zip": {
+        "name": "0d5f3f2768c6ca2faca0079a997a97ce22997a0c.zip",
+        "sha256": "36fa66d4d49debd71d05fba55c1353b522e8caef4a20f8080a3d17cdda001d89",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_cc/archive/0d5f3f2768c6ca2faca0079a997a97ce22997a0c.zip",
+            "https://github.com/bazelbuild/rules_cc/archive/0d5f3f2768c6ca2faca0079a997a97ce22997a0c.zip"
+        ]
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+        "downloaded_file_path": "zulu-win.zip",
+        "name": "openjdk_win",
+        "sha256": "e6ddb361309f8e84eb5fb5ad8b0f5cc031ba3679910139262c31efd8f7579d05",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.29.3-ca-jdk11.0.2/zulu11.29.3-ca-jdk11.0.2-win_x64-allmodules-90755145cb6e6418584d8603cd5fa9afbb30aecc-1549209972.zip"
+        ]
+    },
+    "openjdk_win_minimal": {
+        "downloaded_file_path": "zulu-win-minimal.zip",
+        "name": "openjdk_win_minimal",
+        "sha256": "8e5dada6e9ebcc9ce29b4d051449bb95d3ee1e620e166da862224bbf15211f8b",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.29.3-ca-jdk11.0.2/zulu11.29.3-ca-jdk11.0.2-win_x64-minimal-524ae2ca2a782c9f15e00f08bd35b3f8ceacbd7f-1556003136.zip"
+        ]
+    },
+    "openjdk_win_vanilla": {
+        "downloaded_file_path": "zulu-win-vanilla.zip",
+        "name": "openjdk_win_vanilla",
+        "sha256": "e1f5b4ce1b9148140fae2fcfb8a96d1c9b7eac5b8df0e13fbcad9b8561284880",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.29.3-ca-jdk11.0.2/zulu11.29.3-ca-jdk11.0.2-win_x64.zip"
+        ]
+    },
+    "platforms": {
+        "name": "platforms",
+        "sha256": "a07fe5e75964361885db725039c2ba673f0ee0313d971ae4f50c9b18cd28b0b5",
+        "strip_prefix": "platforms-441afe1bfdadd6236988e9cac159df6b5a9f5a98",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/platforms/archive/441afe1bfdadd6236988e9cac159df6b5a9f5a98.zip",
+            "https://github.com/bazelbuild/platforms/archive/441afe1bfdadd6236988e9cac159df6b5a9f5a98.zip"
+        ]
+    },
+    "rules_cc": {
+        "name": "rules_cc",
+        "sha256": "36fa66d4d49debd71d05fba55c1353b522e8caef4a20f8080a3d17cdda001d89",
+        "strip_prefix": "rules_cc-0d5f3f2768c6ca2faca0079a997a97ce22997a0c",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_cc/archive/0d5f3f2768c6ca2faca0079a997a97ce22997a0c.zip",
+            "https://github.com/bazelbuild/rules_cc/archive/0d5f3f2768c6ca2faca0079a997a97ce22997a0c.zip"
+        ]
+    },
+    "rules_java": {
+        "name": "rules_java",
+        "sha256": "bc81f1ba47ef5cc68ad32225c3d0e70b8c6f6077663835438da8d5733f917598",
+        "strip_prefix": "rules_java-7cf3cefd652008d0a64a419c34c13bdca6c8f178",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_java/archive/7cf3cefd652008d0a64a419c34c13bdca6c8f178.zip",
+            "https://github.com/bazelbuild/rules_java/archive/7cf3cefd652008d0a64a419c34c13bdca6c8f178.zip"
+        ]
+    },
+    "rules_pkg": {
+        "name": "rules_pkg",
+        "sha256": "5bdc04987af79bd27bc5b00fe30f59a858f77ffa0bd2d8143d5b31ad8b1bd71c",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_pkg/rules_pkg-0.2.0.tar.gz",
+            "https://github.com/bazelbuild/rules_pkg/releases/download/0.2.0/rules_pkg-0.2.0.tar.gz"
+        ]
+    },
+    "rules_pkg-0.2.0.tar.gz": {
+        "name": "rules_pkg-0.2.0.tar.gz",
+        "sha256": "5bdc04987af79bd27bc5b00fe30f59a858f77ffa0bd2d8143d5b31ad8b1bd71c",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_pkg/rules_pkg-0.2.0.tar.gz",
+            "https://github.com/bazelbuild/rules_pkg/releases/download/0.2.0/rules_pkg-0.2.0.tar.gz"
+        ]
+    },
+    "rules_proto": {
+        "name": "rules_proto",
+        "sha256": "602e7161d9195e50246177e7c55b2f39950a9cf7366f74ed5f22fd45750cd208",
+        "strip_prefix": "rules_proto-97d8af4dc474595af3900dd85cb3a29ad28cc313",
+        "urls": [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+            "https://github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz"
+        ]
+    },
+    "zulu10.2+3-jdk10.0.1-linux_x64-allmodules.tar.gz": {
+        "name": "zulu10.2+3-jdk10.0.1-linux_x64-allmodules.tar.gz",
+        "sha256": "57fad3602e74c79587901d6966d3b54ef32cb811829a2552163185d5064fe9b5",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu10.2+3-jdk10.0.1/zulu10.2+3-jdk10.0.1-linux_x64-allmodules.tar.gz"
+        ]
+    },
+    "zulu10.2+3-jdk10.0.1-macosx_x64-allmodules.tar.gz": {
+        "name": "zulu10.2+3-jdk10.0.1-macosx_x64-allmodules.tar.gz",
+        "sha256": "e669c9a897413d855b550b4e39d79614392e6fb96f494e8ef99a34297d9d85d3",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu10.2+3-jdk10.0.1/zulu10.2+3-jdk10.0.1-macosx_x64-allmodules.tar.gz"
+        ]
+    },
+    "zulu10.2+3-jdk10.0.1-win_x64-allmodules.zip": {
+        "name": "zulu10.2+3-jdk10.0.1-win_x64-allmodules.zip",
+        "sha256": "c39e7700a8d41794d60985df5a20352435196e78ecbc6a2b30df7be8637bffd5",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu10.2+3-jdk10.0.1/zulu10.2+3-jdk10.0.1-win_x64-allmodules.zip"
+        ]
+    },
+    "zulu11.2.3-jdk11.0.1-linux_x64.tar.gz": {
+        "name": "zulu11.2.3-jdk11.0.1-linux_x64.tar.gz",
+        "sha256": "232b1c3511f0d26e92582b7c3cc363be7ac633e371854ca2f2e9f2b50eb72a75",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.2.3-jdk11.0.1/zulu11.2.3-jdk11.0.1-linux_x64.tar.gz"
+        ]
+    },
+    "zulu11.2.3-jdk11.0.1-macosx_x64.tar.gz": {
+        "name": "zulu11.2.3-jdk11.0.1-macosx_x64.tar.gz",
+        "sha256": "1edf366ee821e5db8e348152fcb337b28dfd6bf0f97943c270dcc6747cedb6cb",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.2.3-jdk11.0.1/zulu11.2.3-jdk11.0.1-macosx_x64.tar.gz"
+        ]
+    },
+    "zulu11.2.3-jdk11.0.1-win_x64.zip": {
+        "name": "zulu11.2.3-jdk11.0.1-win_x64.zip",
+        "sha256": "8e1e2b8347de6746f3fd1538840dd643201533ab113abc4ed93678e342d28aa3",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.2.3-jdk11.0.1/zulu11.2.3-jdk11.0.1-win_x64.zip"
+        ]
+    },
+    "zulu11.29.3-ca-jdk11.0.2-linux_x64.tar.gz": {
+        "name": "zulu11.29.3-ca-jdk11.0.2-linux_x64.tar.gz",
+        "sha256": "f3f44b6235508e87b760bf37a49e186cc1fa4e9cd28384c4dbf5a33991921e08",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.29.3-ca-jdk11.0.2/zulu11.29.3-ca-jdk11.0.2-linux_x64.tar.gz"
+        ]
+    },
+    "zulu11.29.3-ca-jdk11.0.2-macosx_x64.zip": {
+        "name": "zulu11.29.3-ca-jdk11.0.2-macosx_x64.zip",
+        "sha256": "059f8e3484bf07b63a8f2820d5f528f473eff1befdb1896ee4f8ff06be3b8d8f",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.29.3-ca-jdk11.0.2/zulu11.29.3-ca-jdk11.0.2-macosx_x64.zip"
+        ]
+    },
+    "zulu11.29.3-ca-jdk11.0.2-win_x64.zip": {
+        "name": "zulu11.29.3-ca-jdk11.0.2-win_x64.zip",
+        "sha256": "e1f5b4ce1b9148140fae2fcfb8a96d1c9b7eac5b8df0e13fbcad9b8561284880",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.29.3-ca-jdk11.0.2/zulu11.29.3-ca-jdk11.0.2-win_x64.zip"
+        ]
+    },
+    "zulu11.31.15-ca-jdk11.0.3-linux_aarch64.tar.gz": {
+        "name": "zulu11.31.15-ca-jdk11.0.3-linux_aarch64.tar.gz",
+        "sha256": "3b0d91611b1bdc4d409afcf9eab4f0e7f4ae09f88fc01bd9f2b48954882ae69b",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu11.31.15-ca-jdk11.0.3/zulu11.31.15-ca-jdk11.0.3-linux_aarch64.tar.gz"
+        ]
+    },
+    "zulu9.0.7.1-jdk9.0.7-linux_x64-allmodules.tar.gz": {
+        "name": "zulu9.0.7.1-jdk9.0.7-linux_x64-allmodules.tar.gz",
+        "sha256": "f27cb933de4f9e7fe9a703486cf44c84bc8e9f138be0c270c9e5716a32367e87",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu-9.0.7.1-jdk9.0.7/zulu9.0.7.1-jdk9.0.7-linux_x64-allmodules.tar.gz"
+        ]
+    },
+    "zulu9.0.7.1-jdk9.0.7-macosx_x64-allmodules.tar.gz": {
+        "name": "zulu9.0.7.1-jdk9.0.7-macosx_x64-allmodules.tar.gz",
+        "sha256": "404e7058ff91f956612f47705efbee8e175a38b505fb1b52d8c1ea98718683de",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu-9.0.7.1-jdk9.0.7/zulu9.0.7.1-jdk9.0.7-macosx_x64-allmodules.tar.gz"
+        ]
+    },
+    "zulu9.0.7.1-jdk9.0.7-win_x64-allmodules.zip": {
+        "name": "zulu9.0.7.1-jdk9.0.7-win_x64-allmodules.zip",
+        "sha256": "e738829017f107e7a7cd5069db979398ec3c3f03ef56122f89ba38e7374f63ed",
+        "urls": [
+            "https://mirror.bazel.build/openjdk/azul-zulu-9.0.7.1-jdk9.0.7/zulu9.0.7.1-jdk9.0.7-win_x64-allmodules.zip"
+        ]
+    }
+}
diff --git a/pkgs/development/tools/cargo-web/default.nix b/pkgs/development/tools/cargo-web/default.nix
index 7e84baba0dda..5b1e91dda2a1 100644
--- a/pkgs/development/tools/cargo-web/default.nix
+++ b/pkgs/development/tools/cargo-web/default.nix
@@ -13,10 +13,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1dl5brj5fnmxmwl130v36lvy4j64igdpdvjwmxw3jgg2c6r6b7cd";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "1cbyy9rc33f69hbs0ff00v0v3p92f3lqq8ma5aqid5dm6d8l2dx5";
+  cargoSha256 = "0i9xp7vd1rp6xgkbbrspm3qq4hxwfwa00di3k73z1x64d3d8r5fm";
 
   nativeBuildInputs = [ openssl perl pkgconfig ];
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ CoreServices Security ];
diff --git a/pkgs/development/tools/cmake-format/default.nix b/pkgs/development/tools/cmake-format/default.nix
index da9dfc9a8193..cdf15f3ad707 100644
--- a/pkgs/development/tools/cmake-format/default.nix
+++ b/pkgs/development/tools/cmake-format/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonApplication rec {
   pname = "cmake-format";
-  version = "0.6.8";
+  version = "0.6.9";
 
   src = fetchPypi {
     inherit version;
     pname = "cmake_format";
-    sha256 = "0zpx7g5j8wv52zj0s7bk7cj5v82icn4il0jfydc1cmg4p5krf5iy";
+    sha256 = "082d7949gsk5v72ap7k4p3vgmc126a0bfm195xpi4lb6khpbzy5j";
   };
 
   propagatedBuildInputs = [ autopep8 flake8 jinja2 pylint pyyaml ];
diff --git a/pkgs/development/tools/continuous-integration/jenkins/default.nix b/pkgs/development/tools/continuous-integration/jenkins/default.nix
index 9708674c6d67..662daeb873f1 100644
--- a/pkgs/development/tools/continuous-integration/jenkins/default.nix
+++ b/pkgs/development/tools/continuous-integration/jenkins/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "jenkins";
-  version = "2.204.2";
+  version = "2.204.3";
 
   src = fetchurl {
     url = "http://mirrors.jenkins.io/war-stable/${version}/jenkins.war";
-    sha256 = "1iviffgz32i6rhmk6hgas4l8wpwr0h5lw5s1f5zjk3aw0r6cb42a";
+    sha256 = "1sn9km7r3dbhbchn1szmhkwmx5im3qmy4lkzv4gm2aw1j9pghdda";
   };
 
   buildCommand = ''
diff --git a/pkgs/development/tools/database/liquibase/default.nix b/pkgs/development/tools/database/liquibase/default.nix
index 990fbba7226c..890ef73a73f9 100644
--- a/pkgs/development/tools/database/liquibase/default.nix
+++ b/pkgs/development/tools/database/liquibase/default.nix
@@ -10,11 +10,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "liquibase";
-  version = "3.8.6";
+  version = "3.8.7";
 
   src = fetchurl {
     url = "https://github.com/liquibase/liquibase/releases/download/v${version}/${pname}-${version}.tar.gz";
-    sha256 = "19x6v8kji3mjpf3r0khmlvgkljm269r16w8p4yvknsw4rf0rl9x4";
+    sha256 = "0gs3pmzyx2bz6af2fr5jla3s33vfaw64pgahfvj5bgpj6d7vx1wg";
   };
 
   buildInputs = [ jre makeWrapper ];
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Version Control for your database";
-    homepage = http://www.liquibase.org/;
+    homepage = "http://www.liquibase.org/";
     changelog = "https://raw.githubusercontent.com/liquibase/liquibase/v${version}/changelog.txt";
     license = licenses.asl20;
     maintainers = with maintainers; [ nequissimus ];
diff --git a/pkgs/development/tools/git-quick-stats/default.nix b/pkgs/development/tools/git-quick-stats/default.nix
index a779f753d9b4..2681b2705ef4 100644
--- a/pkgs/development/tools/git-quick-stats/default.nix
+++ b/pkgs/development/tools/git-quick-stats/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchFromGitHub }:
 stdenv.mkDerivation rec {
   pname = "git-quick-stats";
-  version = "2.0.13";
+  version = "2.0.15";
   src = fetchFromGitHub {
     repo = "git-quick-stats";
     owner = "arzzen";
     rev = version;
-    sha256 = "0j0a4y50wlwban40lj8y89ch4xnmm1ag8klkl8smbrn972d5d0cy";
+    sha256 = "1m8b0bskhpwjbs0qjp0rdzrjj613639pn92isv1cg0srj8grjcai";
   };
   PREFIX = builtins.placeholder "out";
   meta = with stdenv.lib; {
diff --git a/pkgs/development/tools/golangci-lint/default.nix b/pkgs/development/tools/golangci-lint/default.nix
index 75bb50f25a49..89d21b5cb5ae 100644
--- a/pkgs/development/tools/golangci-lint/default.nix
+++ b/pkgs/development/tools/golangci-lint/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "golangci-lint";
-  version = "1.23.6";
+  version = "1.23.7";
 
   src = fetchFromGitHub {
     owner = "golangci";
     repo = "golangci-lint";
     rev = "v${version}";
-    sha256 = "0y5kjlqbz9xxlxd8kagrsyz9wvjqf7i28i6zb2m8x9c9zg82kvsn";
+    sha256 = "1dcayxblim97hlgdx0wdlbj2jxvdqfk8912hz7ylb1007x7y5da5";
   };
 
   modSha256 = "0sckz298bvkf4p4fdmsmza0zrj2s2pvc86qwg6i76vdh9yzvq5gx";
@@ -16,7 +16,7 @@ buildGoModule rec {
 
   meta = with lib; {
     description = "Linters Runner for Go. 5x faster than gometalinter. Nice colored output.";
-    homepage = https://golangci.com/;
+    homepage = "https://golangci.com/";
     license = licenses.agpl3;
     platforms = platforms.unix;
     maintainers = with maintainers; [ anpryl manveru ];
diff --git a/pkgs/development/tools/lazygit/default.nix b/pkgs/development/tools/lazygit/default.nix
index aaccfe8ee762..37c6396e2e3a 100644
--- a/pkgs/development/tools/lazygit/default.nix
+++ b/pkgs/development/tools/lazygit/default.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   pname = "lazygit";
-  version = "0.14.3";
+  version = "0.15.7";
 
   goPackagePath = "github.com/jesseduffield/lazygit";
 
@@ -12,7 +12,7 @@ buildGoPackage rec {
     owner = "jesseduffield";
     repo = pname;
     rev = "v${version}";
-    sha256 = "163d05081yrbnzvpkjd7knsl50pkqg9g22ncc2hi54i1i0h5pp80";
+    sha256 = "18scwla36bjpylha4fwis0aa333r14bavzd7xhx4677xgaz7l73j";
   };
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/tools/literate-programming/noweb/default.nix b/pkgs/development/tools/literate-programming/noweb/default.nix
index 7a2252c6b273..8806b5a81cd1 100644
--- a/pkgs/development/tools/literate-programming/noweb/default.nix
+++ b/pkgs/development/tools/literate-programming/noweb/default.nix
@@ -57,7 +57,7 @@ let noweb = stdenv.mkDerivation rec {
 
     # HACK: This is ugly, but functional.
     PATH=$out/bin:$PATH make -BC xdoc
-    make "''${installFlags[@]}" install-man
+    make "''${installFlags[@]} install-man"
 
     ln -s "$tex" "$out/share/texmf"
   '';
diff --git a/pkgs/development/tools/misc/act/default.nix b/pkgs/development/tools/misc/act/default.nix
index 227fb27051a2..03bd2696cce5 100644
--- a/pkgs/development/tools/misc/act/default.nix
+++ b/pkgs/development/tools/misc/act/default.nix
@@ -2,20 +2,22 @@
 
 buildGoModule rec {
   pname = "act";
-  version = "0.2.4";
+  version = "0.2.5";
 
   src = fetchFromGitHub {
     owner = "nektos";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1sn36686nfmqvhmippdapk0pxqx3x1q4dwdyhjr8j8scyfrk68iv";
+    sha256 = "00clafq3izvfwxkb85hf6s40yfw2hpsfz3xg4da28pgh1wlqb9ps";
   };
 
   modSha256 = "0ghp61m8fxg1iwq2ypmp99cqv3n16c06v2xzg9v34299vmd89gi2";
 
+  buildFlagsArray = [ "-ldflags=-s -w -X main.version=${version}" ];
+
   meta = with lib; {
     description = "Run your GitHub Actions locally";
-    homepage = "https://circleci.com/";
+    homepage = "https://github.com/nektos/act";
     license = licenses.mit;
     maintainers = with maintainers; [ filalex77 ];
   };
diff --git a/pkgs/development/tools/misc/blackmagic/default.nix b/pkgs/development/tools/misc/blackmagic/default.nix
index ddc15f856b53..29aa99d3a15b 100644
--- a/pkgs/development/tools/misc/blackmagic/default.nix
+++ b/pkgs/development/tools/misc/blackmagic/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub
-, gcc-arm-embedded, libftdi1
+, gcc-arm-embedded, libftdi1, libusb, pkgconfig
 , python, pythonPackages
 }:
 
@@ -7,24 +7,25 @@ with lib;
 
 stdenv.mkDerivation rec {
   pname = "blackmagic";
-  version = "unstable-2019-08-13";
+  version = "unstable-2020-02-20";
   # `git describe --always`
-  firmwareVersion = "v1.6.1-317-gc9c8b08";
+  firmwareVersion = "v1.6.1-409-g7a595ea";
 
   src = fetchFromGitHub {
     owner = "blacksphere";
     repo = "blackmagic";
-    rev = "c9c8b089f716c31433432f5ee54c5c206e4945cf";
-    sha256 = "0175plba7h3r1p584ygkjlvg2clvxa2m0xfdcb2v8jza2vzc8ywd";
+    rev = "7a595ead255f2a052fe4561c24a0577112c9de84";
+    sha256 = "01kdm1rkj7ll0px882crf9w27d2ka8f3hcdmvhb9jwd60bf5dlap";
     fetchSubmodules = true;
   };
 
   nativeBuildInputs = [
-    gcc-arm-embedded
+    gcc-arm-embedded pkgconfig
   ];
 
   buildInputs = [
     libftdi1
+    libusb
     python
     pythonPackages.intelhex
   ];
@@ -60,7 +61,9 @@ stdenv.mkDerivation rec {
     '';
     homepage = https://github.com/blacksphere/blackmagic;
     license = licenses.gpl3Plus;
-    maintainers = with maintainers; [ pjones emily ];
-    platforms = platforms.unix;
+    maintainers = with maintainers; [ pjones emily sorki ];
+    # fails on darwin with
+    # arm-none-eabi-gcc: error: unrecognized command line option '-iframework'
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/development/tools/misc/blackmagic/helper.sh b/pkgs/development/tools/misc/blackmagic/helper.sh
index 991d0249e169..278a758c186a 100755
--- a/pkgs/development/tools/misc/blackmagic/helper.sh
+++ b/pkgs/development/tools/misc/blackmagic/helper.sh
@@ -23,11 +23,18 @@ make_platform() {
   make clean
   make PROBE_HOST="$1"
 
-  if [ "$1" = libftdi ]; then
-    mkdir -p "$out/bin"
+  if [ "$1" = "libftdi" ]; then
     install -m 0555 blackmagic "$out/bin"
   fi
 
+  if [ "$1" = "pc-hosted" ]; then
+    install -m 0555 blackmagic_hosted "$out/bin"
+  fi
+
+  if [ "$1" = "pc-stlinkv2" ]; then
+    install -m 0555 blackmagic_stlinkv2 "$out/bin"
+  fi
+
   for f in $PRODUCTS; do
     if [ -r "$f" ]; then
       mkdir -p "$out/firmware/$1"
@@ -45,6 +52,8 @@ make -C libopencm3
 # And now all of the platforms:
 cd src
 
+mkdir -p "$out/bin"
+
 for platform in platforms/*/Makefile.inc; do
   probe=$(basename "$(dirname "$platform")")
   make_platform "$probe"
diff --git a/pkgs/development/tools/misc/luarocks/default.nix b/pkgs/development/tools/misc/luarocks/default.nix
index 565b6a5ca041..fa19b2494076 100644
--- a/pkgs/development/tools/misc/luarocks/default.nix
+++ b/pkgs/development/tools/misc/luarocks/default.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation rec {
   pname = "luarocks";
-  version = "3.3.1";
+  version = "3.2.1";
 
   src = fetchFromGitHub {
     owner = "luarocks";
     repo = "luarocks";
     rev = "v${version}";
-    sha256 = "0859k2b9pihmcw45fdsbwx936npcj3vbp3hxi1v3j7n61dkw7r0s";
+    sha256 = "0viiafmb8binksda79ah828q1dfnb6jsqlk7vyndl2xvx9yfn4y2";
   };
 
   patches = [ ./darwin-3.1.3.patch ];
diff --git a/pkgs/development/tools/misc/travis/Gemfile.lock b/pkgs/development/tools/misc/travis/Gemfile.lock
index a29f329ca8af..c13c9646393a 100644
--- a/pkgs/development/tools/misc/travis/Gemfile.lock
+++ b/pkgs/development/tools/misc/travis/Gemfile.lock
@@ -2,15 +2,15 @@ GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.4.0)
-    backports (3.15.0)
+    backports (3.16.1)
     coderay (1.1.2)
     ethon (0.12.0)
       ffi (>= 1.3.0)
-    faraday (0.17.0)
+    faraday (0.17.3)
       multipart-post (>= 1.2, < 3)
-    faraday_middleware (0.13.1)
+    faraday_middleware (0.14.0)
       faraday (>= 0.7.4, < 1.0)
-    ffi (1.11.2)
+    ffi (1.12.2)
     gh (0.15.1)
       addressable (~> 2.4.0)
       backports
@@ -19,7 +19,7 @@ GEM
       net-http-persistent (~> 2.9)
       net-http-pipeline
     highline (1.7.10)
-    json (2.2.0)
+    json (2.3.0)
     launchy (2.4.3)
       addressable (~> 2.3)
     method_source (0.9.2)
@@ -33,7 +33,7 @@ GEM
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)
-    travis (1.8.10)
+    travis (1.8.11)
       backports
       faraday (~> 0.9)
       faraday_middleware (~> 0.9, >= 0.9.1)
@@ -54,4 +54,4 @@ DEPENDENCIES
   travis
 
 BUNDLED WITH
-   1.17.2
+   1.17.3
diff --git a/pkgs/development/tools/misc/travis/gemset.nix b/pkgs/development/tools/misc/travis/gemset.nix
index a12a891b3e78..da2f5e8e7ac8 100644
--- a/pkgs/development/tools/misc/travis/gemset.nix
+++ b/pkgs/development/tools/misc/travis/gemset.nix
@@ -8,12 +8,14 @@
     version = "2.4.0";
   };
   backports = {
+    groups = ["default"];
+    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0cczfi1yp7a68bg7ipzi4lvrmi4xsi36n9a19krr4yb3nfwd8fn2";
+      sha256 = "0sp3l5wa77klj34sqib95ppxyam53x3p57xk0y6gy2c3z29z6hs5";
       type = "gem";
     };
-    version = "3.15.0";
+    version = "3.16.1";
   };
   coderay = {
     groups = ["default"];
@@ -40,29 +42,31 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0jk2bar4x6miq2cr73lv0lsbmw4cymiljvp29xb85jifsb3ba6az";
+      sha256 = "13aghksmni2sl15y7wfpx6k5l3lfd8j9gdyqi6cbw6jgc7bqyyn2";
       type = "gem";
     };
-    version = "0.17.0";
+    version = "0.17.3";
   };
   faraday_middleware = {
     dependencies = ["faraday"];
+    groups = ["default"];
+    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1a93rs58bakqck7bcihasz66a1riy22h2zpwrpmb13gp8mw3wkmr";
+      sha256 = "1x7jgvpzl1nm7hqcnc8carq6yj1lijq74jv8pph4sb3bcpfpvcsc";
       type = "gem";
     };
-    version = "0.13.1";
+    version = "0.14.0";
   };
   ffi = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0cbads5da12lb3j0mg2hjrd57s5qkkairxh2y6r9bqyblb5b8xbw";
+      sha256 = "10lfhahnnc91v63xpvk65apn61pib086zha3z5sp1xk9acfx12h4";
       type = "gem";
     };
-    version = "1.11.2";
+    version = "1.12.2";
   };
   gh = {
     dependencies = ["addressable" "backports" "faraday" "multi_json" "net-http-persistent" "net-http-pipeline"];
@@ -82,12 +86,14 @@
     version = "1.7.10";
   };
   json = {
+    groups = ["default"];
+    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0sx97bm9by389rbzv8r1f43h06xcz8vwi3h5jv074gvparql7lcx";
+      sha256 = "0nrmw2r4nfxlfgprfgki3hjifgrcrs3l5zvm3ca3gb4743yr25mn";
       type = "gem";
     };
-    version = "2.2.0";
+    version = "2.3.0";
   };
   launchy = {
     dependencies = ["addressable"];
@@ -164,12 +170,14 @@
   };
   travis = {
     dependencies = ["backports" "faraday" "faraday_middleware" "gh" "highline" "launchy" "pusher-client" "typhoeus"];
+    groups = ["default"];
+    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0ggdksipvnkl7s0g84l4wfpm9v70x9id8xvb9jmn3l0hhlk54dsk";
+      sha256 = "18zbi46as4d2wn83safawciyny0g2sk7yz5fvjvqmfk4ywpfrwrr";
       type = "gem";
     };
-    version = "1.8.10";
+    version = "1.8.11";
   };
   typhoeus = {
     dependencies = ["ethon"];
diff --git a/pkgs/development/tools/ocaml/ocp-build/default.nix b/pkgs/development/tools/ocaml/ocp-build/default.nix
index cf5372bdc202..ca74a701315a 100644
--- a/pkgs/development/tools/ocaml/ocp-build/default.nix
+++ b/pkgs/development/tools/ocaml/ocp-build/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, ocaml, findlib, ncurses }:
+{ stdenv, fetchpatch, fetchFromGitHub, ocaml, findlib, ncurses }:
 let
   version = "1.99.19-beta";
 in
@@ -13,6 +13,11 @@ stdenv.mkDerivation {
     sha256 = "162k5l0cxyqanxlml5v8mqapdq5qbqc9m4b8wdjq7mf523b3h2zj";
   };
 
+  patches = stdenv.lib.optional (stdenv.lib.versionAtLeast ocaml.version "4.08") (fetchpatch {
+    url = "https://raw.githubusercontent.com/ocaml/opam-repository/master/packages/ocp-pp/ocp-pp.1.99.19-beta/files/0001-Fix-ocp-pp-for-changes-in-compiler-libs.patch";
+    sha256 = "0s0s2hh4d7cmwd6i7ixjgb79vij0r1v54m0vwwi26b3fips09qyn";
+  });
+
   buildInputs = [ ocaml findlib ];
   propagatedBuildInputs = [ ncurses ];
   preInstall = "mkdir -p $out/bin";
diff --git a/pkgs/development/tools/ocaml/ocp-index/default.nix b/pkgs/development/tools/ocaml/ocp-index/default.nix
index 9ea01a8dca72..cf2be985b143 100644
--- a/pkgs/development/tools/ocaml/ocp-index/default.nix
+++ b/pkgs/development/tools/ocaml/ocp-index/default.nix
@@ -1,14 +1,12 @@
-{ stdenv, fetchFromGitHub, buildDunePackage, ocp-build, ocp-indent, cmdliner, re,  }:
+{ lib, fetchurl, buildDunePackage, ocp-build, ocp-indent, cmdliner, re }:
 
 buildDunePackage rec {
   pname = "ocp-index";
-  version = "1.1.9";
+  version = "1.2";
 
-  src = fetchFromGitHub {
-    owner = "OCamlPro";
-    repo = pname;
-    rev = version;
-    sha256 = "0dq1kap16xfajc6gg9hbiadax782winpvxnr3dkm2ncznnxds37p";
+  src = fetchurl {
+    url = "https://github.com/OCamlPro/ocp-index/releases/download/${version}/ocp-index-${version}.tbz";
+    sha256 = "1lchw02sakjjppmzr0rzlarwbg1lc2bl7pwcfpsiycnaz46x6gmr";
   };
 
   buildInputs = [ ocp-build cmdliner re ];
@@ -18,7 +16,7 @@ buildDunePackage rec {
   meta = {
     homepage = http://typerex.ocamlpro.com/ocp-index.html;
     description = "A simple and light-weight documentation extractor for OCaml";
-    license = stdenv.lib.licenses.lgpl3;
-    maintainers = with stdenv.lib.maintainers; [ vbgl ];
+    license = lib.licenses.lgpl3;
+    maintainers = with lib.maintainers; [ vbgl ];
   };
 }
diff --git a/pkgs/development/tools/poetry/default.nix b/pkgs/development/tools/poetry/default.nix
index 1517e53f219c..ac2ab258df47 100644
--- a/pkgs/development/tools/poetry/default.nix
+++ b/pkgs/development/tools/poetry/default.nix
@@ -17,38 +17,6 @@ poetry2nix.mkPoetryApplication {
     done
   '';
 
-  # Poetry is a bit special in that it can't use itself as the `build-system` property in pyproject.toml.
-  # That's why we need to hackily install outputs completely manually.
-  #
-  # For projects using poetry normally overriding the installPhase is not required.
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/lib/${python.libPrefix}/site-packages
-    cp -r poetry $out/lib/${python.libPrefix}/site-packages
-
-    mkdir -p $out/bin
-    cat > $out/bin/poetry <<EOF
-    #!${python.interpreter}
-    import sys
-
-    if __name__ == '__main__':
-        sys.path.append("$out/lib/${python.libPrefix}/site-packages")
-        from poetry.console import main
-        main()
-    EOF
-    chmod +x $out/bin/poetry
-
-    mkdir -p "$out/share/bash-completion/completions"
-    "$out/bin/poetry" completions bash > "$out/share/bash-completion/completions/poetry"
-    mkdir -p "$out/share/zsh/vendor-completions"
-    "$out/bin/poetry" completions zsh > "$out/share/zsh/vendor-completions/_poetry"
-    mkdir -p "$out/share/fish/vendor_completions.d"
-    "$out/bin/poetry" completions fish > "$out/share/fish/vendor_completions.d/poetry.fish"
-
-    runHook postInstall
-  '';
-
   # Propagating dependencies leads to issues downstream
   # We've already patched poetry to prefer "vendored" dependencies
   postFixup = ''
diff --git a/pkgs/development/tools/poetry/poetry.lock b/pkgs/development/tools/poetry/poetry.lock
index 8cc557994055..68b195a47b16 100644
--- a/pkgs/development/tools/poetry/poetry.lock
+++ b/pkgs/development/tools/poetry/poetry.lock
@@ -1,7 +1,6 @@
 [[package]]
 category = "dev"
 description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
-marker = "python_version >= \"3.6\" and python_version < \"4.0\""
 name = "appdirs"
 optional = false
 python-versions = "*"
@@ -109,7 +108,7 @@ marker = "python_version >= \"2.7\" and python_version < \"2.8\" and (sys_platfo
 name = "cffi"
 optional = false
 python-versions = "*"
-version = "1.13.2"
+version = "1.14.0"
 
 [package.dependencies]
 pycparser = "*"
@@ -159,10 +158,10 @@ description = "CliKit is a group of utilities to build beautiful and testable co
 name = "clikit"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.4.1"
+version = "0.4.2"
 
 [package.dependencies]
-pastel = ">=0.1.0,<0.2.0"
+pastel = ">=0.2.0,<0.3.0"
 pylev = ">=1.3,<2.0"
 
 [package.dependencies.enum34]
@@ -173,6 +172,10 @@ version = ">=1.1,<2.0"
 python = ">=2.7,<2.8 || >=3.4,<3.5"
 version = ">=3.6,<4.0"
 
+[package.dependencies.typing-extensions]
+python = ">=3.5.0,<3.5.4"
+version = ">=3.6,<4.0"
+
 [[package]]
 category = "dev"
 description = "Cross-platform colored terminal text."
@@ -261,6 +264,14 @@ pep8test = ["flake8", "flake8-import-order", "pep8-naming"]
 test = ["pytest (>=3.6.0,<3.9.0 || >3.9.0,<3.9.1 || >3.9.1,<3.9.2 || >3.9.2)", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,<3.79.2 || >3.79.2)"]
 
 [[package]]
+category = "dev"
+description = "Distribution utilities"
+name = "distlib"
+optional = false
+python-versions = "*"
+version = "0.3.0"
+
+[[package]]
 category = "main"
 description = "Discover and load entry points from installed packages."
 marker = "python_version >= \"2.7\" and python_version < \"2.8\" or python_version >= \"3.4\" and python_version < \"3.5\""
@@ -281,7 +292,7 @@ marker = "python_version >= \"2.7\" and python_version < \"2.8\" or python_versi
 name = "enum34"
 optional = false
 python-versions = "*"
-version = "1.1.6"
+version = "1.1.9"
 
 [[package]]
 category = "dev"
@@ -311,6 +322,15 @@ version = "3.2.3-2"
 
 [[package]]
 category = "dev"
+description = "Clean single-source support for Python 3 and 2"
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+name = "future"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+version = "0.18.2"
+
+[[package]]
+category = "dev"
 description = "Backport of the concurrent.futures package from Python 3"
 marker = "python_version < \"3.2\""
 name = "futures"
@@ -378,6 +398,14 @@ version = "2.8"
 
 [[package]]
 category = "main"
+description = "Internationalized Domain Names in Applications (IDNA)"
+name = "idna"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.9"
+
+[[package]]
+category = "main"
 description = "Read metadata from Python packages"
 name = "importlib-metadata"
 optional = false
@@ -559,6 +587,26 @@ version = "0.12.2"
 
 [[package]]
 category = "dev"
+description = "A Python implementation of Lunr.js"
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+name = "lunr"
+optional = false
+python-versions = "*"
+version = "0.5.6"
+
+[package.dependencies]
+future = ">=0.16.0"
+six = ">=1.11.0"
+
+[package.dependencies.nltk]
+optional = true
+version = ">=3.2.5"
+
+[package.extras]
+languages = ["nltk (>=3.2.5)"]
+
+[[package]]
+category = "dev"
 description = "Python implementation of Markdown."
 name = "markdown"
 optional = false
@@ -581,6 +629,20 @@ testing = ["coverage", "pyyaml"]
 
 [[package]]
 category = "dev"
+description = "Python implementation of Markdown."
+name = "markdown"
+optional = false
+python-versions = ">=3.5"
+version = "3.2.1"
+
+[package.dependencies]
+setuptools = ">=36"
+
+[package.extras]
+testing = ["coverage", "pyyaml"]
+
+[[package]]
+category = "dev"
 description = "This is an extension to Python-Markdown which provides an \"include\" function, similar to that found in LaTeX (and also the C pre-processor and Fortran). I originally wrote it for my FORD Fortran auto-documentation generator."
 name = "markdown-include"
 optional = false
@@ -618,6 +680,27 @@ tornado = ">=5.0"
 
 [[package]]
 category = "dev"
+description = "Project documentation with Markdown."
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+name = "mkdocs"
+optional = false
+python-versions = ">=3.5"
+version = "1.1"
+
+[package.dependencies]
+Jinja2 = ">=2.10.1"
+Markdown = ">=3.2.1"
+PyYAML = ">=3.10"
+click = ">=3.3"
+livereload = ">=2.5.1"
+tornado = ">=5.0"
+
+[package.dependencies.lunr]
+extras = ["languages"]
+version = "0.5.6"
+
+[[package]]
+category = "dev"
 description = "Rolling backport of unittest.mock for all Pythons"
 marker = "python_version < \"3.0\""
 name = "mock"
@@ -673,7 +756,27 @@ description = "MessagePack (de)serializer."
 name = "msgpack"
 optional = false
 python-versions = "*"
-version = "0.6.2"
+version = "1.0.0"
+
+[[package]]
+category = "dev"
+description = "Natural Language Toolkit"
+marker = "python_version >= \"2.7.9\" and python_version < \"2.8.0\" or python_version >= \"3.4\" and python_version < \"4.0\""
+name = "nltk"
+optional = false
+python-versions = "*"
+version = "3.4.5"
+
+[package.dependencies]
+six = "*"
+
+[package.extras]
+all = ["pyparsing", "scikit-learn", "python-crfsuite", "matplotlib", "scipy", "gensim", "requests", "twython", "numpy"]
+corenlp = ["requests"]
+machine_learning = ["gensim", "numpy", "python-crfsuite", "scikit-learn", "scipy"]
+plot = ["matplotlib"]
+tgrep = ["pyparsing"]
+twitter = ["twython"]
 
 [[package]]
 category = "dev"
@@ -681,7 +784,7 @@ description = "Node.js virtual environment builder"
 name = "nodeenv"
 optional = false
 python-versions = "*"
-version = "1.3.4"
+version = "1.3.5"
 
 [[package]]
 category = "dev"
@@ -701,7 +804,7 @@ description = "Bring colors to your terminal."
 name = "pastel"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.1.1"
+version = "0.2.0"
 
 [[package]]
 category = "main"
@@ -911,6 +1014,17 @@ Markdown = ">=3.0.1"
 pep562 = "*"
 
 [[package]]
+category = "dev"
+description = "Extension pack for Python Markdown."
+name = "pymdown-extensions"
+optional = false
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
+version = "6.3"
+
+[package.dependencies]
+Markdown = ">=3.2"
+
+[[package]]
 category = "main"
 description = "Python parsing module"
 name = "pyparsing"
@@ -1055,7 +1169,7 @@ marker = "python_version >= \"3.6\" and python_version < \"4.0\""
 name = "regex"
 optional = false
 python-versions = "*"
-version = "2020.1.8"
+version = "2020.2.20"
 
 [[package]]
 category = "main"
@@ -1081,16 +1195,16 @@ description = "Python HTTP for Humans."
 name = "requests"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.22.0"
+version = "2.23.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
-chardet = ">=3.0.2,<3.1.0"
-idna = ">=2.5,<2.9"
+chardet = ">=3.0.2,<4"
+idna = ">=2.5,<3"
 urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
 
 [package.extras]
-security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)"]
+security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
 socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
 
 [[package]]
@@ -1107,7 +1221,7 @@ requests = ">=2.0.1,<3.0.0"
 [[package]]
 category = "main"
 description = "scandir, a better directory iterator and faster os.walk()"
-marker = "python_version >= \"2.7\" and python_version < \"2.8\" or python_version >= \"3.4\" and python_version < \"3.5\""
+marker = "python_version >= \"2.7\" and python_version < \"2.8\" or python_version >= \"3.4\" and python_version < \"3.5\" or python_version < \"3.5\""
 name = "scandir"
 optional = false
 python-versions = "*"
@@ -1146,8 +1260,8 @@ category = "main"
 description = "Tool to Detect Surrounding Shell"
 name = "shellingham"
 optional = false
-python-versions = ">=2.6,!=3.0,!=3.1,!=3.2,!=3.3"
-version = "1.3.1"
+python-versions = "!=3.0,!=3.1,!=3.2,!=3.3,>=2.6"
+version = "1.3.2"
 
 [[package]]
 category = "main"
@@ -1188,7 +1302,7 @@ description = "Style preserving TOML library"
 name = "tomlkit"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.5.8"
+version = "0.5.11"
 
 [package.dependencies]
 [package.dependencies.enum34]
@@ -1248,7 +1362,7 @@ description = "tox is a generic virtualenv management and test command line tool
 name = "tox"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "3.14.3"
+version = "3.14.5"
 
 [package.dependencies]
 colorama = ">=0.4.1"
@@ -1256,7 +1370,7 @@ filelock = ">=3.0.0,<4"
 packaging = ">=14"
 pluggy = ">=0.12.0,<1"
 py = ">=1.4.17,<2"
-six = ">=1.0.0,<2"
+six = ">=1.14.0,<2"
 toml = ">=0.9.4"
 virtualenv = ">=16.0.0"
 
@@ -1288,6 +1402,15 @@ version = "3.7.4.1"
 
 [[package]]
 category = "main"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+marker = "python_version >= \"3.5.0\" and python_version < \"3.5.4\""
+name = "typing-extensions"
+optional = false
+python-versions = "*"
+version = "3.7.4.1"
+
+[[package]]
+category = "main"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
 optional = false
@@ -1317,7 +1440,7 @@ description = "Virtual Python Environment builder"
 name = "virtualenv"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "16.7.9"
+version = "16.7.10"
 
 [package.extras]
 docs = ["sphinx (>=1.8.0,<2)", "towncrier (>=18.5.0)", "sphinx-rtd-theme (>=0.4.2,<1)"]
@@ -1325,6 +1448,32 @@ testing = ["pytest (>=4.0.0,<5)", "coverage (>=4.5.0,<5)", "pytest-timeout (>=1.
 
 [[package]]
 category = "dev"
+description = "Virtual Python Environment builder"
+name = "virtualenv"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "20.0.7"
+
+[package.dependencies]
+appdirs = ">=1.4.3,<2"
+distlib = ">=0.3.0,<1"
+filelock = ">=3.0.0,<4"
+six = ">=1.9.0,<2"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12,<2"
+
+[package.dependencies.importlib-resources]
+python = "<3.7"
+version = ">=1.0,<2"
+
+[package.extras]
+docs = ["sphinx (>=2.0.0,<3)", "sphinx-argparse (>=0.2.5,<1)", "sphinx-rtd-theme (>=0.4.3,<1)", "towncrier (>=19.9.0rc1)", "proselint (>=0.10.2,<1)"]
+testing = ["pytest (>=4.0.0,<6)", "coverage (>=4.5.1,<6)", "pytest-mock (>=2.0.0,<3)", "pytest-env (>=0.6.2,<1)", "packaging (>=20.0)", "xonsh (>=0.9.13,<1)"]
+
+[[package]]
+category = "dev"
 description = "Measures number of Terminal column cells of wide-character codes"
 name = "wcwidth"
 optional = false
@@ -1342,11 +1491,10 @@ version = "0.5.1"
 [[package]]
 category = "main"
 description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version >= \"3.5\" and python_version < \"3.8\" or python_version < \"3.8\""
 name = "zipp"
 optional = false
 python-versions = ">=2.7"
-version = "1.1.0"
+version = "1.2.0"
 
 [package.dependencies]
 [package.dependencies.contextlib2]
@@ -1355,10 +1503,10 @@ version = "*"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pathlib2", "unittest2", "jaraco.itertools"]
+testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "e0b632d8363fdf9f70d93901ff537714611bfc31705a897f6d2fb3bc010bca0a"
+content-hash = "70609fddc0d3768b1003fc24207951ab7ad8bfad4c6cb326d6217c52f5a92e3d"
 python-versions = "~2.7 || ^3.4"
 
 [metadata.files]
@@ -1395,39 +1543,34 @@ certifi = [
     {file = "certifi-2019.11.28.tar.gz", hash = "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"},
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@@ -1446,8 +1589,8 @@ click = [
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@@ -1551,15 +1694,17 @@ cryptography = [
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+    {file = "regex-2020.2.20-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:bba52d72e16a554d1894a0cc74041da50eea99a8483e591a9edf1025a66843ab"},
+    {file = "regex-2020.2.20-cp37-cp37m-win32.whl", hash = "sha256:01b2d70cbaed11f72e57c1cfbaca71b02e3b98f739ce33f5f26f71859ad90431"},
+    {file = "regex-2020.2.20-cp37-cp37m-win_amd64.whl", hash = "sha256:113309e819634f499d0006f6200700c8209a2a8bf6bd1bdc863a4d9d6776a5d1"},
+    {file = "regex-2020.2.20-cp38-cp38-manylinux1_i686.whl", hash = "sha256:25f4ce26b68425b80a233ce7b6218743c71cf7297dbe02feab1d711a2bf90045"},
+    {file = "regex-2020.2.20-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:9b64a4cc825ec4df262050c17e18f60252cdd94742b4ba1286bcfe481f1c0f26"},
+    {file = "regex-2020.2.20-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:9ff16d994309b26a1cdf666a6309c1ef51ad4f72f99d3392bcd7b7139577a1f2"},
+    {file = "regex-2020.2.20-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:c7f58a0e0e13fb44623b65b01052dae8e820ed9b8b654bb6296bc9c41f571b70"},
+    {file = "regex-2020.2.20-cp38-cp38-win32.whl", hash = "sha256:200539b5124bc4721247a823a47d116a7a23e62cc6695744e3eb5454a8888e6d"},
+    {file = "regex-2020.2.20-cp38-cp38-win_amd64.whl", hash = "sha256:7f78f963e62a61e294adb6ff5db901b629ef78cb2a1cfce3cf4eeba80c1c67aa"},
+    {file = "regex-2020.2.20.tar.gz", hash = "sha256:9e9624440d754733eddbcd4614378c18713d2d9d0dc647cf9c72f64e39671be5"},
 ]
 requests = [
     {file = "requests-2.21.0-py2.py3-none-any.whl", hash = "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"},
     {file = "requests-2.21.0.tar.gz", hash = "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e"},
-    {file = "requests-2.22.0-py2.py3-none-any.whl", hash = "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"},
-    {file = "requests-2.22.0.tar.gz", hash = "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4"},
+    {file = "requests-2.23.0-py2.py3-none-any.whl", hash = "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee"},
+    {file = "requests-2.23.0.tar.gz", hash = "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"},
 ]
 requests-toolbelt = [
     {file = "requests-toolbelt-0.8.0.tar.gz", hash = "sha256:f6a531936c6fa4c6cfce1b9c10d5c4f498d16528d2a54a22ca00011205a187b5"},
@@ -1889,8 +2055,8 @@ secretstorage = [
     {file = "SecretStorage-3.1.2.tar.gz", hash = "sha256:15da8a989b65498e29be338b3b279965f1b8f09b9668bd8010da183024c8bff6"},
 ]
 shellingham = [
-    {file = "shellingham-1.3.1-py2.py3-none-any.whl", hash = "sha256:77d37a4fd287c1e663006f7ecf1b9deca9ad492d0082587bd813c44eb49e4e62"},
-    {file = "shellingham-1.3.1.tar.gz", hash = "sha256:985b23bbd1feae47ca6a6365eacd314d93d95a8a16f8f346945074c28fe6f3e0"},
+    {file = "shellingham-1.3.2-py2.py3-none-any.whl", hash = "sha256:7f6206ae169dc1a03af8a138681b3f962ae61cc93ade84d0585cca3aaf770044"},
+    {file = "shellingham-1.3.2.tar.gz", hash = "sha256:576c1982bea0ba82fb46c36feb951319d7f42214a82634233f58b40d858a751e"},
 ]
 six = [
     {file = "six-1.14.0-py2.py3-none-any.whl", hash = "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"},
@@ -1909,8 +2075,8 @@ toml = [
     {file = "toml-0.10.0.tar.gz", hash = "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c"},
 ]
 tomlkit = [
-    {file = "tomlkit-0.5.8-py2.py3-none-any.whl", hash = "sha256:96e6369288571799a3052c1ef93b9de440e1ab751aa045f435b55e9d3bcd0690"},
-    {file = "tomlkit-0.5.8.tar.gz", hash = "sha256:32c10cc16ded7e4101c79f269910658cc2a0be5913f1252121c3cd603051c269"},
+    {file = "tomlkit-0.5.11-py2.py3-none-any.whl", hash = "sha256:4e1bd6c9197d984528f9ff0cc9db667c317d8881288db50db20eeeb0f6b0380b"},
+    {file = "tomlkit-0.5.11.tar.gz", hash = "sha256:f044eda25647882e5ef22b43a1688fb6ab12af2fc50e8456cdfc751c873101cf"},
 ]
 tornado = [
     {file = "tornado-5.1.1-cp35-cp35m-win32.whl", hash = "sha256:732e836008c708de2e89a31cb2fa6c0e5a70cb60492bee6f1ea1047500feaf7f"},
@@ -1931,8 +2097,8 @@ tornado = [
 tox = [
     {file = "tox-3.12.1-py2.py3-none-any.whl", hash = "sha256:f5c8e446b51edd2ea97df31d4ded8c8b72e7d6c619519da6bb6084b9dd5770f9"},
     {file = "tox-3.12.1.tar.gz", hash = "sha256:f87fd33892a2df0950e5e034def9468988b8d008c7e9416be665fcc0dd45b14f"},
-    {file = "tox-3.14.3-py2.py3-none-any.whl", hash = "sha256:806d0a9217584558cc93747a945a9d9bff10b141a5287f0c8429a08828a22192"},
-    {file = "tox-3.14.3.tar.gz", hash = "sha256:06ba73b149bf838d5cd25dc30c2dd2671ae5b2757cf98e5c41a35fe449f131b3"},
+    {file = "tox-3.14.5-py2.py3-none-any.whl", hash = "sha256:0cbe98369081fa16bd6f1163d3d0b2a62afa29d402ccfad2bd09fb2668be0956"},
+    {file = "tox-3.14.5.tar.gz", hash = "sha256:676f1e3e7de245ad870f956436b84ea226210587d1f72c8dfb8cd5ac7b6f0e70"},
 ]
 typed-ast = [
     {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3"},
@@ -1962,6 +2128,11 @@ typing = [
     {file = "typing-3.7.4.1-py3-none-any.whl", hash = "sha256:f38d83c5a7a7086543a0f649564d661859c5146a85775ab90c0d2f93ffaa9714"},
     {file = "typing-3.7.4.1.tar.gz", hash = "sha256:91dfe6f3f706ee8cc32d38edbbf304e9b7583fb37108fef38229617f8b3eba23"},
 ]
+typing-extensions = [
+    {file = "typing_extensions-3.7.4.1-py2-none-any.whl", hash = "sha256:910f4656f54de5993ad9304959ce9bb903f90aadc7c67a0bef07e678014e892d"},
+    {file = "typing_extensions-3.7.4.1-py3-none-any.whl", hash = "sha256:cf8b63fedea4d89bab840ecbb93e75578af28f76f66c35889bd7065f5af88575"},
+    {file = "typing_extensions-3.7.4.1.tar.gz", hash = "sha256:091ecc894d5e908ac75209f10d5b4f118fbdb2eb1ede6a63544054bb1edb41f2"},
+]
 urllib3 = [
     {file = "urllib3-1.24.3-py2.py3-none-any.whl", hash = "sha256:a637e5fae88995b256e3409dc4d52c2e2e0ba32c42a6365fee8bbd2238de3cfb"},
     {file = "urllib3-1.24.3.tar.gz", hash = "sha256:2393a695cd12afedd0dcb26fe5d50d0cf248e5a66f75dbd89a3d4eb333a61af4"},
@@ -1969,8 +2140,10 @@ urllib3 = [
     {file = "urllib3-1.25.8.tar.gz", hash = "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"},
 ]
 virtualenv = [
-    {file = "virtualenv-16.7.9-py2.py3-none-any.whl", hash = "sha256:55059a7a676e4e19498f1aad09b8313a38fcc0cdbe4fdddc0e9b06946d21b4bb"},
-    {file = "virtualenv-16.7.9.tar.gz", hash = "sha256:0d62c70883c0342d59c11d0ddac0d954d0431321a41ab20851facf2b222598f3"},
+    {file = "virtualenv-16.7.10-py2.py3-none-any.whl", hash = "sha256:105893c8dc66b7817691c7371439ec18e3b6c5e323a304b5ed96cdd2e75cc1ec"},
+    {file = "virtualenv-16.7.10.tar.gz", hash = "sha256:e88fdcb08b0ecb11da97868f463dd06275923f50d87f4b9c8b2fc0994eec40f4"},
+    {file = "virtualenv-20.0.7-py2.py3-none-any.whl", hash = "sha256:30ea90b21dabd11da5f509710ad3be2ae47d40ccbc717dfdd2efe4367c10f598"},
+    {file = "virtualenv-20.0.7.tar.gz", hash = "sha256:4a36a96d785428278edd389d9c36d763c5755844beb7509279194647b1ef47f1"},
 ]
 wcwidth = [
     {file = "wcwidth-0.1.8-py2.py3-none-any.whl", hash = "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603"},
@@ -1981,6 +2154,6 @@ webencodings = [
     {file = "webencodings-0.5.1.tar.gz", hash = "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"},
 ]
 zipp = [
-    {file = "zipp-1.1.0-py2.py3-none-any.whl", hash = "sha256:15428d652e993b6ce86694c3cccf0d71aa7afdc6ef1807fa25a920e9444e0281"},
-    {file = "zipp-1.1.0.tar.gz", hash = "sha256:d9d2efe11d3a3fb9184da550d35bd1319dc8e30a63255927c82bb42fca1f4f7c"},
+    {file = "zipp-1.2.0-py2.py3-none-any.whl", hash = "sha256:e0d9e63797e483a30d27e09fffd308c59a700d365ec34e93cc100844168bf921"},
+    {file = "zipp-1.2.0.tar.gz", hash = "sha256:c70410551488251b0fee67b460fb9a536af8d6f9f008ad10ac51f615b6a521b1"},
 ]
diff --git a/pkgs/development/tools/poetry/pyproject.toml b/pkgs/development/tools/poetry/pyproject.toml
index 13e8199331b6..938b89fe422c 100644
--- a/pkgs/development/tools/poetry/pyproject.toml
+++ b/pkgs/development/tools/poetry/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry"
-version = "1.0.3"
+version = "1.0.5"
 description = "Python dependency management and packaging made easy."
 authors = [
     "Sébastien Eustace <sebastien@eustace.io>"
@@ -24,7 +24,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "~2.7 || ^3.4"
 cleo = "^0.7.6"
-clikit = "^0.4.1"
+clikit = "^0.4.2"
 requests = "^2.18"
 cachy = "^0.3.0"
 requests-toolbelt = "^0.8.0"
@@ -35,7 +35,7 @@ cachecontrol = { version = "^0.12.4", extras = ["filecache"] }
 pkginfo = "^1.4"
 html5lib = "^1.0"
 shellingham = "^1.1"
-tomlkit = "^0.5.8"
+tomlkit = "^0.5.11"
 pexpect = "^4.7.0"
 
 # The typing module is not in the stdlib in Python 2.7 and 3.4
diff --git a/pkgs/development/tools/poetry/src.json b/pkgs/development/tools/poetry/src.json
index dd8816ac0724..45f41ab9cfcf 100644
--- a/pkgs/development/tools/poetry/src.json
+++ b/pkgs/development/tools/poetry/src.json
@@ -1,6 +1,6 @@
 {
     "owner": "python-poetry",
     "repo": "poetry",
-    "rev": "ed4434253762f943255af20e98098b19a65ca1a6",
-    "sha256": "1ivi984rkavxzxap1rq55yf6jjf2pi90f4riw2ww41hj87prv26q"
+    "rev": "754dbf80dc022b89974288cff10b40ab2f1c2697",
+    "sha256": "1khjx598n222fhzvsxsc6cq4m2i8rss1k1whxw9k03kxi4dx6x5g"
 }
\ No newline at end of file
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/default.nix b/pkgs/development/tools/poetry2nix/poetry2nix/default.nix
index ac866a139d97..7d3164fcec62 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/default.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/default.nix
@@ -3,12 +3,11 @@
 , poetry ? null
 , poetryLib ? import ./lib.nix { inherit lib pkgs; }
 }:
-
 let
   inherit (poetryLib) isCompatible readTOML;
 
   # Poetry2nix version
-  version = "1.1.0";
+  version = "1.6.0";
 
   /* The default list of poetry2nix override overlays */
   defaultPoetryOverrides = (import ./overrides.nix { inherit pkgs lib; });
@@ -29,14 +28,15 @@ let
      Returns an attrset { python, poetryPackages, pyProject, poetryLock } for the given pyproject/lockfile.
   */
   mkPoetryPackages =
-    { pyproject
-    , poetrylock
-    , poetryPkg
+    { projectDir ? null
+    , pyproject ? projectDir + "/pyproject.toml"
+    , poetrylock ? projectDir + "/poetry.lock"
     , overrides ? [ defaultPoetryOverrides ]
-    , meta ? {}
     , python ? pkgs.python3
-    , pwd ? null
+    , pwd ? projectDir
     }@attrs: let
+      poetryPkg = poetry.override { inherit python; };
+
       pyProject = readTOML pyproject;
       poetryLock = readTOML poetrylock;
       lockFiles = lib.getAttrFromPath [ "metadata" "files" ] poetryLock;
@@ -52,14 +52,7 @@ let
 
       # Filter packages by their PEP508 markers & pyproject interpreter version
       partitions = let
-        supportsPythonVersion = pkgMeta: let
-          pep508Result = if pkgMeta ? marker then (evalPep508 pkgMeta.marker) else true;
-
-          flatDeps = (pyProject.tool.poetry.dependencies or {}) // (pyProject.tool.poetry.dev-dependencies or {});
-          constraints = flatDeps.${pkgMeta.name}.python or "";
-          pyprojectResult = isCompatible python.pythonVersion constraints;
-        in
-          pyprojectResult && pep508Result;
+        supportsPythonVersion = pkgMeta: if pkgMeta ? marker then (evalPep508 pkgMeta.marker) else true;
       in
         lib.partition supportsPythonVersion poetryLock.package;
 
@@ -105,7 +98,7 @@ let
                 # The canonical name is setuptools-scm
                 setuptools-scm = super.setuptools_scm;
 
-                inherit (hooks) removePathDependenciesHook;
+                inherit (hooks) removePathDependenciesHook poetry2nixFixupHook;
               }
           )
           # Null out any filtered packages, we don't want python.pkgs from nixpkgs
@@ -133,18 +126,17 @@ let
        poetry2nix.mkPoetryEnv { poetrylock = ./poetry.lock; python = python3; }
   */
   mkPoetryEnv =
-    { pyproject
-    , poetrylock
+    { projectDir ? null
+    , pyproject ? projectDir + "/pyproject.toml"
+    , poetrylock ? projectDir + "/poetry.lock"
     , overrides ? [ defaultPoetryOverrides ]
-    , meta ? {}
-    , pwd ? null
+    , pwd ? projectDir
     , python ? pkgs.python3
     }:
       let
-        poetryPkg = poetry.override { inherit python; };
         py = mkPoetryPackages (
           {
-            inherit poetryPkg pyproject poetrylock overrides meta python pwd;
+            inherit pyproject poetrylock overrides python pwd;
           }
         );
       in
@@ -152,19 +144,18 @@ let
 
   /* Creates a Python application from pyproject.toml and poetry.lock */
   mkPoetryApplication =
-    { src
-    , pyproject
-    , poetrylock
+    { projectDir ? null
+    , src ? poetryLib.cleanPythonSources { src = projectDir; }
+    , pyproject ? projectDir + "/pyproject.toml"
+    , poetrylock ? projectDir + "/poetry.lock"
     , overrides ? [ defaultPoetryOverrides ]
     , meta ? {}
     , python ? pkgs.python3
-    , pwd ? null
+    , pwd ? projectDir
     , ...
     }@attrs: let
-      poetryPkg = poetry.override { inherit python; };
-
       poetryPython = mkPoetryPackages {
-        inherit poetryPkg pyproject poetrylock overrides meta python pwd;
+        inherit pyproject poetrylock overrides python pwd;
       };
       py = poetryPython.python;
 
@@ -178,11 +169,20 @@ let
       ];
       passedAttrs = builtins.removeAttrs attrs specialAttrs;
 
+      # Get dependencies and filter out depending on interpreter version
       getDeps = depAttr: let
+        compat = isCompatible py.pythonVersion;
         deps = pyProject.tool.poetry.${depAttr} or {};
         depAttrs = builtins.map (d: lib.toLower d) (builtins.attrNames deps);
       in
-        builtins.map (dep: py.pkgs."${dep}") depAttrs;
+        builtins.map (
+          dep: let
+            pkg = py.pkgs."${dep}";
+            constraints = deps.${dep}.python or "";
+            isCompat = compat constraints;
+          in
+            if isCompat then pkg else null
+        ) depAttrs;
 
       getInputs = attr: attrs.${attr} or [];
       mkInput = attr: extraInputs: getInputs attr ++ extraInputs;
@@ -198,6 +198,8 @@ let
           pname = pyProject.tool.poetry.name;
           version = pyProject.tool.poetry.version;
 
+          inherit src;
+
           format = "pyproject";
 
           buildInputs = mkInput "buildInputs" buildSystemPkgs;
@@ -211,6 +213,7 @@ let
 
           meta = meta // {
             inherit (pyProject.tool.poetry) description homepage;
+            inherit (py.meta) platforms;
             license = getLicenseBySpdxId (pyProject.tool.poetry.license or "unknown");
           };
 
@@ -220,34 +223,11 @@ let
   /* Poetry2nix CLI used to supplement SHA-256 hashes for git dependencies  */
   cli = import ./cli.nix { inherit pkgs lib version; };
 
-  /* Poetry2nix documentation  */
-  doc = pkgs.stdenv.mkDerivation {
-    pname = "poetry2nix-docs";
-    inherit version;
-
-    src = pkgs.runCommandNoCC "poetry2nix-docs-src" {} ''
-      mkdir -p $out
-      cp ${./default.nix} $out/default.nix
-    '';
-
-    buildInputs = [
-      pkgs.nixdoc
-    ];
-
-    buildPhase = ''
-      nixdoc --category poetry2nix --description "Poetry2nix functions" --file ./default.nix > poetry2nix.xml
-    '';
-
-    installPhase = ''
-      mkdir -p $out
-      cp poetry2nix.xml $out/
-    '';
-
-  };
-
 in
 {
-  inherit mkPoetryEnv mkPoetryApplication mkPoetryPackages cli doc;
+  inherit mkPoetryEnv mkPoetryApplication mkPoetryPackages cli version;
+
+  inherit (poetryLib) cleanPythonSources;
 
   /*
   The default list of poetry2nix override overlays
@@ -262,4 +242,25 @@ in
     in
       defaultSet // customSet;
   };
+
+  /*
+  Convenience functions for specifying overlays with or without the poerty2nix default overrides
+  */
+  overrides = {
+    /*
+    Returns the specified overlay in a list
+    */
+    withoutDefaults = overlay: [
+      overlay
+    ];
+
+    /*
+    Returns the specified overlay and returns a list
+    combining it with poetry2nix default overrides
+    */
+    withDefaults = overlay: [
+      defaultPoetryOverrides
+      overlay
+    ];
+  };
 }
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/hooks/default.nix b/pkgs/development/tools/poetry2nix/poetry2nix/hooks/default.nix
index dd24b2634e00..ec3fa0afa69d 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/hooks/default.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/hooks/default.nix
@@ -22,4 +22,12 @@ in
       } ./remove-path-dependencies.sh
   ) {};
 
+  poetry2nixFixupHook = callPackage (
+    {}:
+      makeSetupHook {
+        name = "fixup-hook.sh";
+        deps = [];
+      } ./fixup-hook.sh
+  ) {};
+
 }
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/hooks/fixup-hook.sh b/pkgs/development/tools/poetry2nix/poetry2nix/hooks/fixup-hook.sh
new file mode 100644
index 000000000000..fc539e4298c6
--- /dev/null
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/hooks/fixup-hook.sh
@@ -0,0 +1,8 @@
+poetry2nix-fixup-hook() {
+    # Including tests in the output is a common mistake
+    if [ -z "${dontFixupTests-}" ]; then
+        rm -rf $out/lib/python3.7/site-packages/tests
+    fi
+}
+
+postFixupHooks+=(poetry2nix-fixup-hook)
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/hooks/remove-path-dependencies.sh b/pkgs/development/tools/poetry2nix/poetry2nix/hooks/remove-path-dependencies.sh
index 900fe66908bf..b22a05900a05 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/hooks/remove-path-dependencies.sh
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/hooks/remove-path-dependencies.sh
@@ -1,4 +1,8 @@
 remove-path-dependencies-hook() {
+    if ! test -f pyproject.toml; then
+        return
+    fi
+
     # Tell poetry not to resolve the path dependencies. Any version is fine!
     @yj@ -tj < pyproject.toml | @pythonInterpreter@ @pyprojectPatchScript@ > pyproject.json
     @yj@ -jt < pyproject.json > pyproject.toml
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix b/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
index 64ba0293132e..b816feb38e89 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
@@ -96,6 +96,38 @@ let
         [ pythonPackages.${drvAttr} or (throw "unsupported build system ${buildSystem}") ]
       );
 
+  # Find gitignore files recursively in parent directory stopping with .git
+  findGitIgnores = path: let
+    parent = path + "/..";
+    gitIgnore = path + "/.gitignore";
+    isGitRoot = builtins.pathExists (path + "/.git");
+    hasGitIgnore = builtins.pathExists gitIgnore;
+    gitIgnores = if hasGitIgnore then [ gitIgnore ] else [];
+  in
+    lib.optionals (builtins.toString path != "/" && ! isGitRoot) (findGitIgnores parent) ++ gitIgnores;
+
+  /*
+  Provides a source filtering mechanism that:
+
+  - Filters gitignore's
+  - Filters pycache/pyc files
+  - Uses cleanSourceFilter to filter out .git/.hg, .o/.so, editor backup files & nix result symlinks
+  */
+  cleanPythonSources = { src }: let
+    gitIgnores = findGitIgnores src;
+    pycacheFilter = name: type:
+      (type == "directory" && ! lib.strings.hasInfix "__pycache__" name)
+      || (type == "regular" && ! lib.strings.hasSuffix ".pyc" name)
+    ;
+  in
+    lib.cleanSourceWith {
+      filter = lib.cleanSourceFilter;
+      src = lib.cleanSourceWith {
+        filter = pkgs.nix-gitignore.gitignoreFilterPure pycacheFilter gitIgnores src;
+        inherit src;
+      };
+    };
+
 in
 {
   inherit
@@ -105,5 +137,6 @@ in
     readTOML
     getBuildSystemPkgs
     satisfiesSemver
+    cleanPythonSources
     ;
 }
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/mk-poetry-dep.nix b/pkgs/development/tools/poetry2nix/poetry2nix/mk-poetry-dep.nix
index 5113ad25e4b6..5ae35dfed49e 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/mk-poetry-dep.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/mk-poetry-dep.nix
@@ -106,8 +106,10 @@ pythonPackages.callPackage (
         # Stripping pre-built wheels lead to `ELF load command address/offset not properly aligned`
         dontStrip = format == "wheel";
 
-        nativeBuildInputs = (if (!isSource && (getManyLinuxDeps fileInfo.name).str != null) then [ autoPatchelfHook ] else [])
-        ++ lib.optional (isLocal) pkgs.yj
+        nativeBuildInputs = [
+          pythonPackages.poetry2nixFixupHook
+        ]
+        ++ lib.optional (!isSource && (getManyLinuxDeps fileInfo.name).str != null) autoPatchelfHook
         ++ lib.optional (format == "pyproject") pythonPackages.removePathDependenciesHook
         ;
 
@@ -117,14 +119,24 @@ pythonPackages.callPackage (
           ++ lib.optional isLocal buildSystemPkgs
         );
 
-        propagatedBuildInputs =
-          # Some dependencies like django get the attribute name django
-          # but dependencies try to access Django
-          builtins.map (n: pythonPackages.${lib.toLower n}) (builtins.attrNames dependencies);
+        propagatedBuildInputs = let
+          compat = isCompatible python.pythonVersion;
+          deps = lib.filterAttrs (n: v: v) (
+            lib.mapAttrs (
+              n: v: let
+                constraints = v.python or "";
+              in
+                compat constraints
+            ) dependencies
+          );
+          depAttrs = lib.attrNames deps;
+        in
+          builtins.map (n: pythonPackages.${lib.toLower n}) depAttrs;
 
         meta = {
           broken = ! isCompatible python.pythonVersion python-versions;
           license = [];
+          inherit (python.meta) platforms;
         };
 
         passthru = {
@@ -139,7 +151,7 @@ pythonPackages.callPackage (
             inherit (source) url;
             rev = source.reference;
           }
-        ) else if isLocal then (localDepPath) else fetchFromPypi {
+        ) else if isLocal then (poetryLib.cleanPythonSources { src = localDepPath; }) else fetchFromPypi {
           pname = name;
           inherit (fileInfo) file hash kind;
         };
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/overrides.nix b/pkgs/development/tools/poetry2nix/poetry2nix/overrides.nix
index 6316dcf51c0c..9eb3f92bd12b 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/overrides.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/overrides.nix
@@ -6,6 +6,13 @@
 self: super:
 
 {
+  astroid = super.astroid.overrideAttrs (
+    old: rec {
+      buildInputs = old.buildInputs ++ [ self.pytest-runner ];
+      doCheck = false;
+    }
+  );
+
   av = super.av.overrideAttrs (
     old: {
       nativeBuildInputs = old.nativeBuildInputs ++ [
@@ -82,16 +89,35 @@ self: super:
 
   faker = super.faker.overrideAttrs (
     old: {
+      buildInputs = old.buildInputs ++ [ self.pytest-runner ];
+      doCheck = false;
+    }
+  );
+
+  fancycompleter = super.fancycompleter.overrideAttrs (
+    old: {
       postPatch = ''
-        substituteInPlace setup.py --replace 'setup_requires=["pytest-runner"],' 'setup_requires=[],' || true
+        substituteInPlace setup.py \
+          --replace 'setup_requires="setupmeta"' 'setup_requires=[]' \
+          --replace 'versioning="devcommit"' 'version="${old.version}"'
       '';
     }
   );
 
   grandalf = super.grandalf.overrideAttrs (
     old: {
-      postPatch = ''
-        substituteInPlace setup.py --replace "setup_requires=['pytest-runner',]," "setup_requires=[]," || true
+      buildInputs = old.buildInputs ++ [ self.pytest-runner ];
+      doCheck = false;
+    }
+  );
+
+  h5py = super.h5py.overrideAttrs (
+    old: rec {
+      nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.pkgconfig ];
+      buildInputs = old.buildInputs ++ [ pkgs.hdf5 self.pkgconfig self.cython ];
+      configure_flags = "--hdf5=${pkgs.hdf5}";
+      postConfigure = ''
+        ${self.python.executable} setup.py configure ${configure_flags}
       '';
     }
   );
@@ -103,12 +129,21 @@ self: super:
   );
 
   # importlib-metadata has an incomplete dependency specification
-  importlib-metadata = if super.importlib-metadata == null then null else super.importlib-metadata.overrideAttrs (
+  importlib-metadata = super.importlib-metadata.overrideAttrs (
     old: {
       propagatedBuildInputs = old.propagatedBuildInputs ++ lib.optional self.python.isPy2 self.pathlib2;
     }
   );
 
+  jupyter = super.jupyter.overrideAttrs (
+    old: rec {
+      # jupyter is a meta-package. Everything relevant comes from the
+      # dependencies. It does however have a jupyter.py file that conflicts
+      # with jupyter-core so this meta solves this conflict.
+      meta.priority = 100;
+    }
+  );
+
   lap = super.lap.overrideAttrs (
     old: {
       propagatedBuildInputs = old.propagatedBuildInputs ++ [
@@ -202,9 +237,8 @@ self: super:
 
   mccabe = super.mccabe.overrideAttrs (
     old: {
-      postPatch = ''
-        substituteInPlace setup.py --replace "setup_requires=['pytest-runner']," "setup_requires=[]," || true
-      '';
+      buildInputs = old.buildInputs ++ [ self.pytest-runner ];
+      doCheck = false;
     }
   );
 
@@ -264,6 +298,13 @@ self: super:
       }
   );
 
+  openexr = super.openexr.overrideAttrs (
+    old: rec {
+      buildInputs = old.buildInputs ++ [ pkgs.openexr pkgs.ilmbase ];
+      NIX_CFLAGS_COMPILE = [ "-I${pkgs.openexr.dev}/include/OpenEXR" "-I${pkgs.ilmbase.dev}/include/OpenEXR" ];
+    }
+  );
+
   peewee = super.peewee.overridePythonAttrs (
     old: let
       withPostgres = old.passthru.withPostgres or false;
@@ -346,6 +387,13 @@ self: super:
     }
   );
 
+  pylint = super.pylint.overrideAttrs (
+    old: {
+      buildInputs = old.buildInputs ++ [ self.pytest-runner ];
+      doCheck = false;
+    }
+  );
+
   pyopenssl = super.pyopenssl.overrideAttrs (
     old: {
       buildInputs = old.buildInputs ++ [ pkgs.openssl ];
@@ -461,6 +509,14 @@ self: super:
     }
   );
 
+  pytest = super.pytest.overridePythonAttrs (
+    old: {
+      doCheck = false;
+    }
+  );
+
+  pytest-runner = super.pytest-runner or super.pytestrunner;
+
   python-prctl = super.python-prctl.overrideAttrs (
     old: {
       buildInputs = old.buildInputs ++ [
@@ -469,6 +525,21 @@ self: super:
     }
   );
 
+  pyzmq = super.pyzmq.overrideAttrs (
+    old: {
+      nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.pkgconfig ];
+      propagatedBuildInputs = old.propagatedBuildInputs ++ [ pkgs.zeromq ];
+    }
+  );
+
+  rockset = super.rockset.overrideAttrs (
+    old: rec {
+      postPatch = ''
+        cp ./setup_rockset.py ./setup.py
+      '';
+    }
+  );
+
   scaleapi = super.scaleapi.overrideAttrs (
     old: {
       postPatch = ''
@@ -477,6 +548,12 @@ self: super:
     }
   );
 
+  pandas = super.pandas.overrideAttrs (
+    old: {
+      nativeBuildInputs = old.nativeBuildInputs ++ [ self.cython ];
+    }
+  );
+
   # Pybind11 is an undeclared dependency of scipy that we need to pick from nixpkgs
   # Make it not fail with infinite recursion
   pybind11 = super.pybind11.overridePythonAttrs (
@@ -529,6 +606,30 @@ self: super:
     }
   );
 
+  shellingham = if lib.versionAtLeast super.shellingham.version "1.3.2" then (
+    super.shellingham.overridePythonAttrs (
+      old: {
+        format = "pyproject";
+      }
+    )
+  ) else super.shellingham;
+
+  tables = super.tables.overrideAttrs (
+    old: {
+      HDF5_DIR = "${pkgs.hdf5}";
+      nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.pkgconfig ];
+      propagatedBuildInputs = old.nativeBuildInputs ++ [ pkgs.hdf5 self.numpy self.numexpr ];
+    }
+  );
+
+  tensorpack = super.tensorpack.overrideAttrs (
+    old: {
+      postPatch = ''
+        substituteInPlace setup.cfg --replace "# will call find_packages()" ""
+      '';
+    }
+  );
+
   urwidtrees = super.urwidtrees.overrideAttrs (
     old: {
       propagatedBuildInputs = old.propagatedBuildInputs ++ [
diff --git a/pkgs/development/tools/rust/cargo-fuzz/default.nix b/pkgs/development/tools/rust/cargo-fuzz/default.nix
index c61c7306b8c3..a31bcab82d4b 100644
--- a/pkgs/development/tools/rust/cargo-fuzz/default.nix
+++ b/pkgs/development/tools/rust/cargo-fuzz/default.nix
@@ -11,10 +11,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "0qy4xb7bxyw2x2ya7zmbkz48wxb69jcnvvj7021f1kyc6wdwcxs7";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "1d42cmpg1yn1ql9isx26kxsxzf5rg6qw6j948skc5p054r0c9n3f";
+  cargoSha256 = "0d24crgx6wrb1p96w2yww7cs474x2pz4i6f26cry8pf5dwqfsqdm";
 
   meta = with stdenv.lib; {
     description = "Command line helpers for fuzzing";
diff --git a/pkgs/development/tools/rust/cargo-generate/default.nix b/pkgs/development/tools/rust/cargo-generate/default.nix
index 3fed52a2fafe..a5337e94087a 100644
--- a/pkgs/development/tools/rust/cargo-generate/default.nix
+++ b/pkgs/development/tools/rust/cargo-generate/default.nix
@@ -11,10 +11,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "07hklya22ixklb44f3qp6yyh5d03a7rjcn0g76icqr36hvcjyjjh";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "1rsk9j1ij53dz4gakxwdppgmv12lmyj0ihh9qypdbgskvyq3a2j9";
+  cargoSha256 = "133n8j4d0j0rasns3a4kkflhrvmvkqfggcrfj4sp79am19pr146b";
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/tools/rust/cargo-inspect/default.nix b/pkgs/development/tools/rust/cargo-inspect/default.nix
index ccd9fd3e4879..34d45ac83c72 100644
--- a/pkgs/development/tools/rust/cargo-inspect/default.nix
+++ b/pkgs/development/tools/rust/cargo-inspect/default.nix
@@ -13,10 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ Security ];
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "1pxvcf991w0jfxdissvwal5slrx7vpk3rqkzwk4hxfv0mjiqxsg5";
+  cargoSha256 = "0v7g9rkw7axy99vcfi7sy2pw7wnpq424jvd8xchcv8ghh8yw9lyc";
 
   meta = with lib; {
     description = "See what Rust is doing behind the curtains";
diff --git a/pkgs/development/tools/rust/cargo-udeps/default.nix b/pkgs/development/tools/rust/cargo-udeps/default.nix
index 54008300c512..d37b578ced9c 100644
--- a/pkgs/development/tools/rust/cargo-udeps/default.nix
+++ b/pkgs/development/tools/rust/cargo-udeps/default.nix
@@ -11,10 +11,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1wh8w5p9rb9cqgpmclaywfsz3ckfi9mw38hhg31w7hkgjmqalyj9";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "0vb2qr03qv66mmxgs1d5fvs63cdfxaldlg7pilhmdzha1kgy7ib0";
+  cargoSha256 = "0g56rvan0p57hkl00warx4ig7a54g0qw6p2gkwn9yxi6p3p2wddj";
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/tools/rust/cargo-watch/default.nix b/pkgs/development/tools/rust/cargo-watch/default.nix
index d0b20ffe3b25..d092274cf367 100644
--- a/pkgs/development/tools/rust/cargo-watch/default.nix
+++ b/pkgs/development/tools/rust/cargo-watch/default.nix
@@ -11,10 +11,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "0l1aalb8ans7scljrza7akhi821jbpqgn6sa8kgd8sys83r93fkj";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "0dlbln8nsvmrc9p99bl6yni57fravicias9gbv88fg7az904ilzz";
+  cargoSha256 = "07zkfpw0zyakpsm1mg525ibpsfs9swwmijb0xfsk3nbv66caqd04";
 
   buildInputs = lib.optional stdenv.isDarwin CoreServices;
 
diff --git a/pkgs/development/tools/rust/cargo-xbuild/default.nix b/pkgs/development/tools/rust/cargo-xbuild/default.nix
index 1877ac6e1223..b92a65842cc3 100644
--- a/pkgs/development/tools/rust/cargo-xbuild/default.nix
+++ b/pkgs/development/tools/rust/cargo-xbuild/default.nix
@@ -11,10 +11,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1haq8gv4k6qgihyjplf76589d2hbb1720g6yvwk88aksjxmqj4jm";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "011r5n68ay94dvfm37xpd9s8x086l6qsll74iw98hcvw3inxp1ws";
+  cargoSha256 = "08y64yqvar1ph1pcbh6lhqf4kj85zw74dfg0ii9lycvzxvkwvhqp";
 
   meta = with stdenv.lib; {
     description = "Automatically cross-compiles the sysroot crates core, compiler_builtins, and alloc";
diff --git a/pkgs/development/tools/rust/rustup/default.nix b/pkgs/development/tools/rust/rustup/default.nix
index b9a417e3b665..5d4e4fbeb8d9 100644
--- a/pkgs/development/tools/rust/rustup/default.nix
+++ b/pkgs/development/tools/rust/rustup/default.nix
@@ -13,10 +13,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "0d7l3j8js16zgdx37kykavr343v65vchldz88j38jjyc43pcm2pg";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "0kn3sq99sgsh8msignyb4vjllv0wf1crqaw7sqp3ggmlkrdq35sd";
+  cargoSha256 = "1y13kfski36rfvqkp3mxxn12aidp339j7rigv49msyr004ac5y8s";
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/tools/wasm-pack/default.nix b/pkgs/development/tools/wasm-pack/default.nix
index e91a08303947..77920dfeeed9 100644
--- a/pkgs/development/tools/wasm-pack/default.nix
+++ b/pkgs/development/tools/wasm-pack/default.nix
@@ -18,10 +18,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1rqyfg6ajxxyfx87ar25nf5ck9hd0p12qgv98dicniqag8l4rvsr";
   };
 
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "095gk6lcck5864wjhrkhgnkxn9pzcg82xk5p94br7lmf15y9gc7j";
+  cargoSha256 = "0fw04hgxxqsbp1pylp32yd087r9bb8bpa05v90qdshkgp6znfl9s";
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/tools/yq-go/default.nix b/pkgs/development/tools/yq-go/default.nix
index eb507857ca83..9041667a0fc7 100644
--- a/pkgs/development/tools/yq-go/default.nix
+++ b/pkgs/development/tools/yq-go/default.nix
@@ -1,19 +1,19 @@
-{ stdenv, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub }:
 
 buildGoModule rec {
   pname = "yq-go";
-  version = "3.1.2";
+  version = "3.2.1";
 
   src = fetchFromGitHub {
     owner = "mikefarah";
     rev = version;
     repo = "yq";
-    sha256 = "0gjxmnmphav8ms4zdkcjcsgrjs77ccwdfpc1qpxjp6fr2g4v5vmq";
+    sha256 = "1n20m1zizbkgzag4676fvf16h6f8vll6pniblj7haqdwvnza8zwd";
   };
 
-  modSha256 = "035w9bh96rr2x21w7bwwpngyng6839wglpgwf7gy8p6difvnn2v9";
+  modSha256 = "0hbazc6hf3zrni25lpbyi36sbxyabbrpi591gkqwxgr9hdbdpcg9";
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Portable command-line YAML processor";
     homepage = "https://mikefarah.gitbook.io/yq/";
     license = [ licenses.mit ];
diff --git a/pkgs/development/web/postman/default.nix b/pkgs/development/web/postman/default.nix
index 142ce8cd5e8c..647bdf6f3af9 100644
--- a/pkgs/development/web/postman/default.nix
+++ b/pkgs/development/web/postman/default.nix
@@ -7,11 +7,11 @@
 
 stdenv.mkDerivation rec {
   pname = "postman";
-  version = "7.18.0";
+  version = "7.19.1";
 
   src = fetchurl {
     url = "https://dl.pstmn.io/download/version/${version}/linux64";
-    sha256 = "144yd4w1hqjmcp5v24ghkxh78fxc5ylzbgv7szp7y3vhwdanaiy7";
+    sha256 = "1p3614lhyn0qwqj99iqclpg4xfd3x4n1m34ya79530phqrrmnsh7";
     name = "${pname}.tar.gz";
   };