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-rw-r--r--pkgs/development/tools/analysis/pmd/default.nix4
-rw-r--r--pkgs/development/tools/build-managers/bear/default.nix4
-rw-r--r--pkgs/development/tools/castxml/default.nix10
-rw-r--r--pkgs/development/tools/hcloud/default.nix13
-rw-r--r--pkgs/development/tools/jbake/default.nix2
-rw-r--r--pkgs/development/tools/misc/kconfig-frontends/default.nix14
-rw-r--r--pkgs/development/tools/misc/lttng-ust/default.nix4
-rw-r--r--pkgs/development/tools/misc/texinfo/common.nix3
-rw-r--r--pkgs/development/tools/misc/texinfo/perl.patch43
-rw-r--r--pkgs/development/tools/ocaml/opam/1.2.2.nix92
-rw-r--r--pkgs/development/tools/ocaml/opam/default.nix100
-rw-r--r--pkgs/development/tools/ocaml/opam/opam-mccs-darwin.patch18
-rw-r--r--pkgs/development/tools/ocaml/opam/opam-pull-3487.patch23
-rw-r--r--pkgs/development/tools/ocaml/opam/opam-shebangs.patch128
-rwxr-xr-xpkgs/development/tools/ocaml/opam/opam.nix.pl130
-rw-r--r--pkgs/development/tools/pyre/default.nix80
-rw-r--r--pkgs/development/tools/pyre/pyre-bdist-wheel.patch43
-rw-r--r--pkgs/development/tools/wp-cli/default.nix52
18 files changed, 673 insertions, 90 deletions
diff --git a/pkgs/development/tools/analysis/pmd/default.nix b/pkgs/development/tools/analysis/pmd/default.nix
index 78dd57789622..187b2d7b03f9 100644
--- a/pkgs/development/tools/analysis/pmd/default.nix
+++ b/pkgs/development/tools/analysis/pmd/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "pmd-${version}";
-  version = "6.5.0";
+  version = "6.7.0";
 
   buildInputs = [ unzip ];
 
   src = fetchurl {
     url = "mirror://sourceforge/pmd/pmd-bin-${version}.zip";
-    sha256 = "10jdgps1ikx75ljp2gi76ff7payg28pmiy5y3vp17gg47mv991aw";
+    sha256 = "0bnbr8zq28dgvwka563g5lbya5jhmjrahnbwagcs4afpsrm7zj6c";
   };
 
   installPhase = ''
diff --git a/pkgs/development/tools/build-managers/bear/default.nix b/pkgs/development/tools/build-managers/bear/default.nix
index fb12b5a9c14a..51e8d12d3147 100644
--- a/pkgs/development/tools/build-managers/bear/default.nix
+++ b/pkgs/development/tools/build-managers/bear/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "bear-${version}";
-  version = "2.3.12";
+  version = "2.3.13";
 
   src = fetchFromGitHub {
     owner = "rizsotto";
     repo = "Bear";
     rev = version;
-    sha256 = "1zzz2yiiny9pm4h6ayb82xzxc2j5djcpf8va2wagcw92m7w6miqw";
+    sha256 = "0imvvs22gyr1v6ydgp5yn2nq8fb8llmz0ra1m733ikjaczl3jm7z";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/development/tools/castxml/default.nix b/pkgs/development/tools/castxml/default.nix
index 603b155ee4f9..aea94633bae3 100644
--- a/pkgs/development/tools/castxml/default.nix
+++ b/pkgs/development/tools/castxml/default.nix
@@ -17,6 +17,11 @@ stdenv.mkDerivation rec {
     sha256 = "1hjh8ihjyp1m2jb5yypp5c45bpbz8k004f4p1cjw4gc7pxhjacdj";
   };
 
+  cmakeFlags = [
+    "-DCLANG_RESOURCE_DIR=${llvmPackages.clang-unwrapped}"
+    "-DSPHINX_MAN=${if withMan then "ON" else "OFF"}"
+  ];
+
   buildInputs = [
     cmake
     llvmPackages.clang-unwrapped
@@ -25,11 +30,6 @@ stdenv.mkDerivation rec {
 
   propagatedbuildInputs = [ llvmPackages.libclang ];
 
-  preConfigure = ''
-    cmakeFlagsArray+=(
-     ${if withMan then "-DSPHINX_MAN=ON" else ""}
-  )'';
-
   # 97% tests passed, 96 tests failed out of 2866
   # mostly because it checks command line and nix append -isystem and all
   doCheck=false;
diff --git a/pkgs/development/tools/hcloud/default.nix b/pkgs/development/tools/hcloud/default.nix
index 877080508d40..b3fa6f852f76 100644
--- a/pkgs/development/tools/hcloud/default.nix
+++ b/pkgs/development/tools/hcloud/default.nix
@@ -14,6 +14,19 @@ buildGoPackage rec {
 
   buildFlagsArray = [ "-ldflags=" "-w -X github.com/hetznercloud/cli/cli.Version=${version}" ];
 
+  postInstall = ''
+    mkdir -p \
+      $bin/etc/bash_completion.d \
+      $bin/share/zsh/vendor-completions
+
+    # Add bash completions
+    $bin/bin/hcloud completion bash > "$bin/etc/bash_completion.d/hcloud"
+
+    # Add zsh completions
+    echo "#compdef hcloud" > "$bin/share/zsh/vendor-completions/_hcloud"
+    $bin/bin/hcloud completion zsh >> "$bin/share/zsh/vendor-completions/_hcloud"
+  '';
+
   meta = {
     description = "A command-line interface for Hetzner Cloud, a provider for cloud virtual private servers";
     homepage = https://github.com/hetznercloud/cli;
diff --git a/pkgs/development/tools/jbake/default.nix b/pkgs/development/tools/jbake/default.nix
index 152cddc101d6..9c3094fb4fec 100644
--- a/pkgs/development/tools/jbake/default.nix
+++ b/pkgs/development/tools/jbake/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ makeWrapper jre ];
 
+  postPatch = "patchShebangs .";
+
   installPhase = ''
     mkdir -p $out
     cp -vr * $out
diff --git a/pkgs/development/tools/misc/kconfig-frontends/default.nix b/pkgs/development/tools/misc/kconfig-frontends/default.nix
index d1415569ca33..bceb15f11659 100644
--- a/pkgs/development/tools/misc/kconfig-frontends/default.nix
+++ b/pkgs/development/tools/misc/kconfig-frontends/default.nix
@@ -1,24 +1,26 @@
-{ stdenv, fetchurl, pkgconfig, bison, flex, gperf, ncurses }:
+{ stdenv, fetchurl, pkgconfig, bison, flex, gperf, ncurses, pythonPackages }:
 
 stdenv.mkDerivation rec {
   basename = "kconfig-frontends";
-  version = "3.12.0.0";
+  version = "4.11.0.1";
   name = "${basename}-${version}";
 
   src = fetchurl {
-    sha256 = "01zlph9bq2xzznlpmfpn0zrmhf2iqw02yh1q7g7adgkl5jk1a9pa";
+    sha256 = "1xircdw3k7aaz29snf96q2fby1cs48bidz5l1kkj0a5gbivw31i3";
     url = "http://ymorin.is-a-geek.org/download/${basename}/${name}.tar.xz";
   };
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ bison flex gperf ncurses ];
-
-  hardeningDisable = [ "format" ];
+  buildInputs = [ bison flex gperf ncurses pythonPackages.python pythonPackages.wrapPython ];
 
   configureFlags = [
     "--enable-frontends=conf,mconf,nconf"
   ];
 
+  postInstall = ''
+    wrapPythonPrograms
+  '';
+
   meta = with stdenv.lib; {
     description = "Out of Linux tree packaging of the kconfig infrastructure";
     longDescription = ''
diff --git a/pkgs/development/tools/misc/lttng-ust/default.nix b/pkgs/development/tools/misc/lttng-ust/default.nix
index b708ce490d29..039e5b1ec542 100644
--- a/pkgs/development/tools/misc/lttng-ust/default.nix
+++ b/pkgs/development/tools/misc/lttng-ust/default.nix
@@ -13,11 +13,11 @@
 
 stdenv.mkDerivation rec {
   name = "lttng-ust-${version}";
-  version = "2.10.1";
+  version = "2.10.2";
 
   src = fetchurl {
     url = "https://lttng.org/files/lttng-ust/${name}.tar.bz2";
-    sha256 = "17gfi1dn6bgg59qn4ihf8hag96lalx0g7dym2ccpzdz7f45krk07";
+    sha256 = "0if0hrs32r98sp85c8c63zpgy5xjw6cx8wrs65xq227b0jwj5jn4";
   };
 
   buildInputs = [ python ];
diff --git a/pkgs/development/tools/misc/texinfo/common.nix b/pkgs/development/tools/misc/texinfo/common.nix
index 101298cd3052..c6877ed4d1a1 100644
--- a/pkgs/development/tools/misc/texinfo/common.nix
+++ b/pkgs/development/tools/misc/texinfo/common.nix
@@ -17,6 +17,9 @@ stdenv.mkDerivation rec {
     inherit sha256;
   };
 
+  # TODO: fix on mass rebuild
+  ${if interactive then "patches" else null} = optional (version == "6.5") ./perl.patch;
+
   # We need a native compiler to build perl XS extensions
   # when cross-compiling.
   depsBuildBuild = [ buildPackages.stdenv.cc perl ];
diff --git a/pkgs/development/tools/misc/texinfo/perl.patch b/pkgs/development/tools/misc/texinfo/perl.patch
new file mode 100644
index 000000000000..e651b37371c7
--- /dev/null
+++ b/pkgs/development/tools/misc/texinfo/perl.patch
@@ -0,0 +1,43 @@
+Adapted from http://svn.savannah.gnu.org/viewvc/texinfo/
+Author: gavin
+--- trunk/tp/Texinfo/Parser.pm  2018-06-04 19:51:36 UTC (rev 8006)
++++ trunk/tp/Texinfo/Parser.pm  2018-07-13 15:31:28 UTC (rev 8007)
+@@ -5531,11 +5531,11 @@
+     }
+   } elsif ($command eq 'clickstyle') {
+     # REMACRO
+-    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*/) {
++    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)(\{\})?\s*/) {
+       $args = ['@'.$1];
+       $self->{'clickstyle'} = $1;
+       $remaining = $line;
+-      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
++      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)(\{\})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
+       $has_comment = 1 if (defined($4));
+     } else {
+       $self->line_error (sprintf($self->__(
+--- trunk/tp/Texinfo/Convert/XSParagraph/xspara.c       2018-07-13 15:31:28 UTC (rev 8007)
++++ trunk/tp/Texinfo/Convert/XSParagraph/xspara.c       2018-07-13 15:39:29 UTC (rev 8008)
+@@ -248,6 +248,11 @@
+ 
+   dTHX;
+ 
++#if PERL_VERSION > 27 || (PERL_VERSION == 27 && PERL_SUBVERSION > 8)
++  /* needed due to thread-safe locale handling in newer perls */
++  switch_to_global_locale();
++#endif
++
+   if (setlocale (LC_CTYPE, "en_US.UTF-8")
+       || setlocale (LC_CTYPE, "en_US.utf8"))
+     goto success;
+@@ -320,6 +325,10 @@
+     {
+ success: ;
+       free (utf8_locale);
++#if PERL_VERSION > 27 || (PERL_VERSION == 27 && PERL_SUBVERSION > 8)
++      /* needed due to thread-safe locale handling in newer perls */
++      sync_locale();
++#endif
+       /*
+       fprintf (stderr, "tried to set LC_CTYPE to UTF-8.\n");
+       fprintf (stderr, "character encoding is: %s\n",
diff --git a/pkgs/development/tools/ocaml/opam/1.2.2.nix b/pkgs/development/tools/ocaml/opam/1.2.2.nix
new file mode 100644
index 000000000000..7e84719ae47d
--- /dev/null
+++ b/pkgs/development/tools/ocaml/opam/1.2.2.nix
@@ -0,0 +1,92 @@
+{ stdenv, lib, fetchurl, makeWrapper,
+  ocaml, unzip, ncurses, curl, aspcud
+}:
+
+assert lib.versionAtLeast ocaml.version "3.12.1";
+
+let
+  srcs = {
+    cudf = fetchurl {
+      url = "https://gforge.inria.fr/frs/download.php/file/33593/cudf-0.7.tar.gz";
+      sha256 = "92c8a9ed730bbac73f3513abab41127d966c9b9202ab2aaffcd02358c030a701";
+    };
+    extlib = fetchurl {
+      url = "http://ocaml-extlib.googlecode.com/files/extlib-1.5.3.tar.gz";
+      sha256 = "c095eef4202a8614ff1474d4c08c50c32d6ca82d1015387785cf03d5913ec021";
+    };
+    ocaml_re = fetchurl {
+      url = "https://github.com/ocaml/ocaml-re/archive/ocaml-re-1.2.0.tar.gz";
+      sha256 = "a34dd9d6136731436a963bbab5c4bbb16e5d4e21b3b851d34887a3dec451999f";
+    };
+    ocamlgraph = fetchurl {
+      url = "http://ocamlgraph.lri.fr/download/ocamlgraph-1.8.5.tar.gz";
+      sha256 = "d167466435a155c779d5ec25b2db83ad851feb42ebc37dca8ffa345ddaefb82f";
+    };
+    dose3 = fetchurl {
+      url = "https://gforge.inria.fr/frs/download.php/file/34277/dose3-3.3.tar.gz";
+      sha256 = "8dc4dae9b1a81bb3a42abb283df785ba3eb00ade29b13875821c69f03e00680e";
+    };
+    cmdliner = fetchurl {
+      url = "http://erratique.ch/software/cmdliner/releases/cmdliner-0.9.7.tbz";
+      sha256 = "9c19893cffb5d3c3469ee0cce85e3eeeba17d309b33b9ace31aba06f68f0bf7a";
+    };
+    uutf = fetchurl {
+      url = "http://erratique.ch/software/uutf/releases/uutf-0.9.3.tbz";
+      sha256 = "1f364f89b1179e5182a4d3ad8975f57389d45548735d19054845e06a27107877";
+    };
+    jsonm = fetchurl {
+      url = "http://erratique.ch/software/jsonm/releases/jsonm-0.9.1.tbz";
+      sha256 = "3fd4dca045d82332da847e65e981d8b504883571d299a3f7e71447d46bc65f73";
+    };
+    opam = fetchurl {
+      url = "https://github.com/ocaml/opam/archive/1.2.2.zip";
+      sha256 = "c590ce55ae69ec74f46215cf16a156a02b23c5f3ecb22f23a3ad9ba3d91ddb6e";
+    };
+  };
+in stdenv.mkDerivation rec {
+  name = "opam-${version}";
+  version = "1.2.2";
+
+  buildInputs = [ unzip curl ncurses ocaml makeWrapper ];
+
+  src = srcs.opam;
+
+  postUnpack = ''
+    ln -sv ${srcs.cudf} $sourceRoot/src_ext/${srcs.cudf.name}
+    ln -sv ${srcs.extlib} $sourceRoot/src_ext/${srcs.extlib.name}
+    ln -sv ${srcs.ocaml_re} $sourceRoot/src_ext/${srcs.ocaml_re.name}
+    ln -sv ${srcs.ocamlgraph} $sourceRoot/src_ext/${srcs.ocamlgraph.name}
+    ln -sv ${srcs.dose3} $sourceRoot/src_ext/${srcs.dose3.name}
+    ln -sv ${srcs.cmdliner} $sourceRoot/src_ext/${srcs.cmdliner.name}
+    ln -sv ${srcs.uutf} $sourceRoot/src_ext/${srcs.uutf.name}
+    ln -sv ${srcs.jsonm} $sourceRoot/src_ext/${srcs.jsonm.name}
+  '';
+
+  preConfigure = ''
+    substituteInPlace ./src_ext/Makefile --replace "%.stamp: %.download" "%.stamp:"
+  '';
+
+  postConfigure = "make lib-ext";
+
+  # Dirty, but apparently ocp-build requires a TERM
+  makeFlags = ["TERM=screen"];
+
+  # change argv0 to "opam" as a workaround for
+  # https://github.com/ocaml/opam/issues/2142
+  postInstall = ''
+    mv $out/bin/opam $out/bin/.opam-wrapped
+    makeWrapper $out/bin/.opam-wrapped $out/bin/opam \
+      --argv0 "opam" \
+      --suffix PATH : ${aspcud}/bin:${unzip}/bin:${curl}/bin
+  '';
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A package manager for OCaml";
+    homepage = http://opam.ocamlpro.com/;
+    maintainers = [ maintainers.henrytill ];
+    platforms = platforms.all;
+    license = licenses.lgpl21Plus;
+  };
+}
diff --git a/pkgs/development/tools/ocaml/opam/default.nix b/pkgs/development/tools/ocaml/opam/default.nix
index 7e84719ae47d..8e89dd3fadd2 100644
--- a/pkgs/development/tools/ocaml/opam/default.nix
+++ b/pkgs/development/tools/ocaml/opam/default.nix
@@ -1,69 +1,87 @@
-{ stdenv, lib, fetchurl, makeWrapper,
-  ocaml, unzip, ncurses, curl, aspcud
+{ stdenv, lib, fetchurl, makeWrapper, getconf,
+  ocaml, unzip, ncurses, curl, aspcud, bubblewrap
 }:
 
-assert lib.versionAtLeast ocaml.version "3.12.1";
+assert lib.versionAtLeast ocaml.version "4.02.3";
 
 let
   srcs = {
+    cmdliner = fetchurl {
+      url = "http://erratique.ch/software/cmdliner/releases/cmdliner-1.0.2.tbz";
+      sha256 = "18jqphjiifljlh9jg8zpl6310p3iwyaqphdkmf89acyaix0s4kj1";
+    };
+    cppo = fetchurl {
+      url = "https://github.com/mjambon/cppo/archive/v1.6.4.tar.gz";
+      sha256 = "0jdb7d21lfa3ck4k59mrqs5pljzq5rb504jq57nnrc6klljm42j7";
+    };
     cudf = fetchurl {
-      url = "https://gforge.inria.fr/frs/download.php/file/33593/cudf-0.7.tar.gz";
-      sha256 = "92c8a9ed730bbac73f3513abab41127d966c9b9202ab2aaffcd02358c030a701";
+      url = "https://gforge.inria.fr/frs/download.php/36602/cudf-0.9.tar.gz";
+      sha256 = "0771lwljqwwn3cryl0plny5a5dyyrj4z6bw66ha5n8yfbpcy8clr";
+    };
+    dose3 = fetchurl {
+      url = "https://gforge.inria.fr/frs/download.php/file/36063/dose3-5.0.1.tar.gz";
+      sha256 = "00yvyfm4j423zqndvgc1ycnmiffaa2l9ab40cyg23pf51qmzk2jm";
     };
     extlib = fetchurl {
-      url = "http://ocaml-extlib.googlecode.com/files/extlib-1.5.3.tar.gz";
-      sha256 = "c095eef4202a8614ff1474d4c08c50c32d6ca82d1015387785cf03d5913ec021";
+      url = "http://ygrek.org.ua/p/release/ocaml-extlib/extlib-1.7.5.tar.gz";
+      sha256 = "19slqf5bdj0rrph2w41giwmn6df2qm07942jn058pjkjrnk30d4s";
     };
-    ocaml_re = fetchurl {
-      url = "https://github.com/ocaml/ocaml-re/archive/ocaml-re-1.2.0.tar.gz";
-      sha256 = "a34dd9d6136731436a963bbab5c4bbb16e5d4e21b3b851d34887a3dec451999f";
+    jbuilder = fetchurl {
+      url = "https://github.com/ocaml/dune/releases/download/1.0+beta20/jbuilder-1.0.beta20.tbz";
+      sha256 = "07hl9as5llffgd6hbw41rs76i1ibgn3n9r0dba5h0mdlkapcwb10";
     };
-    ocamlgraph = fetchurl {
-      url = "http://ocamlgraph.lri.fr/download/ocamlgraph-1.8.5.tar.gz";
-      sha256 = "d167466435a155c779d5ec25b2db83ad851feb42ebc37dca8ffa345ddaefb82f";
+    mccs = fetchurl {
+      url = "https://github.com/AltGr/ocaml-mccs/archive/1.1+8.tar.gz";
+      sha256 = "0xavfvxfrcf3lmry8ymma1yzy0hw3ijbx94c9zq3pzlwnylrapa4";
     };
-    dose3 = fetchurl {
-      url = "https://gforge.inria.fr/frs/download.php/file/34277/dose3-3.3.tar.gz";
-      sha256 = "8dc4dae9b1a81bb3a42abb283df785ba3eb00ade29b13875821c69f03e00680e";
+    ocamlgraph = fetchurl {
+      url = "http://ocamlgraph.lri.fr/download/ocamlgraph-1.8.8.tar.gz";
+      sha256 = "0m9g16wrrr86gw4fz2fazrh8nkqms0n863w7ndcvrmyafgxvxsnr";
     };
-    cmdliner = fetchurl {
-      url = "http://erratique.ch/software/cmdliner/releases/cmdliner-0.9.7.tbz";
-      sha256 = "9c19893cffb5d3c3469ee0cce85e3eeeba17d309b33b9ace31aba06f68f0bf7a";
+    opam-file-format = fetchurl {
+      url = "https://github.com/ocaml/opam-file-format/archive/2.0.0-rc2.tar.gz";
+      sha256 = "1mgk08msp7hxn0hs0m82vky3yv6hcq4pw5402b3vhx4c49431jsb";
     };
-    uutf = fetchurl {
-      url = "http://erratique.ch/software/uutf/releases/uutf-0.9.3.tbz";
-      sha256 = "1f364f89b1179e5182a4d3ad8975f57389d45548735d19054845e06a27107877";
+    re = fetchurl {
+      url = "https://github.com/ocaml/ocaml-re/releases/download/1.7.3/re-1.7.3.tbz";
+      sha256 = "0nv933qfl8y9i19cqvhsalwzif3dkm28vg478rpnr4hgfqjlfryr";
     };
-    jsonm = fetchurl {
-      url = "http://erratique.ch/software/jsonm/releases/jsonm-0.9.1.tbz";
-      sha256 = "3fd4dca045d82332da847e65e981d8b504883571d299a3f7e71447d46bc65f73";
+    result = fetchurl {
+      url = "https://github.com/janestreet/result/releases/download/1.3/result-1.3.tbz";
+      sha256 = "1lrnbxdq80gbhnp85mqp1kfk0bkh6q1c93sfz2qgnq2qyz60w4sk";
     };
     opam = fetchurl {
-      url = "https://github.com/ocaml/opam/archive/1.2.2.zip";
-      sha256 = "c590ce55ae69ec74f46215cf16a156a02b23c5f3ecb22f23a3ad9ba3d91ddb6e";
+      url = "https://github.com/ocaml/opam/archive/2.0.0.zip";
+      sha256 = "0m4ilsldrfkkn0vlvl119bk76j2pwvqvdi8mpg957z4kqflfbfp8";
     };
   };
 in stdenv.mkDerivation rec {
   name = "opam-${version}";
-  version = "1.2.2";
+  version = "2.0.0";
 
-  buildInputs = [ unzip curl ncurses ocaml makeWrapper ];
+  buildInputs = [ unzip curl ncurses ocaml makeWrapper getconf ] ++ lib.optional stdenv.isLinux bubblewrap;
 
   src = srcs.opam;
 
   postUnpack = ''
-    ln -sv ${srcs.cudf} $sourceRoot/src_ext/${srcs.cudf.name}
-    ln -sv ${srcs.extlib} $sourceRoot/src_ext/${srcs.extlib.name}
-    ln -sv ${srcs.ocaml_re} $sourceRoot/src_ext/${srcs.ocaml_re.name}
-    ln -sv ${srcs.ocamlgraph} $sourceRoot/src_ext/${srcs.ocamlgraph.name}
-    ln -sv ${srcs.dose3} $sourceRoot/src_ext/${srcs.dose3.name}
-    ln -sv ${srcs.cmdliner} $sourceRoot/src_ext/${srcs.cmdliner.name}
-    ln -sv ${srcs.uutf} $sourceRoot/src_ext/${srcs.uutf.name}
-    ln -sv ${srcs.jsonm} $sourceRoot/src_ext/${srcs.jsonm.name}
+    ln -sv ${srcs.cmdliner} $sourceRoot/src_ext/cmdliner.tbz
+    ln -sv ${srcs.cppo} $sourceRoot/src_ext/cppo.tar.gz
+    ln -sv ${srcs.cudf} $sourceRoot/src_ext/cudf.tar.gz
+    ln -sv ${srcs.dose3} $sourceRoot/src_ext/dose3.tar.gz
+    ln -sv ${srcs.extlib} $sourceRoot/src_ext/extlib.tar.gz
+    ln -sv ${srcs.jbuilder} $sourceRoot/src_ext/jbuilder.tbz
+    ln -sv ${srcs.mccs} $sourceRoot/src_ext/mccs.tar.gz
+    ln -sv ${srcs.ocamlgraph} $sourceRoot/src_ext/ocamlgraph.tar.gz
+    ln -sv ${srcs.opam-file-format} $sourceRoot/src_ext/opam-file-format.tar.gz
+    ln -sv ${srcs.re} $sourceRoot/src_ext/re.tbz
+    ln -sv ${srcs.result} $sourceRoot/src_ext/result.tbz
   '';
 
+  patches = [ ./opam-pull-3487.patch ./opam-shebangs.patch ./opam-mccs-darwin.patch ];
+
   preConfigure = ''
     substituteInPlace ./src_ext/Makefile --replace "%.stamp: %.download" "%.stamp:"
+    patchShebangs src/state/shellscripts
   '';
 
   postConfigure = "make lib-ext";
@@ -71,13 +89,17 @@ in stdenv.mkDerivation rec {
   # Dirty, but apparently ocp-build requires a TERM
   makeFlags = ["TERM=screen"];
 
+  outputs = [ "out" "installer" ];
+  setOutputFlags = false;
+
   # change argv0 to "opam" as a workaround for
   # https://github.com/ocaml/opam/issues/2142
   postInstall = ''
     mv $out/bin/opam $out/bin/.opam-wrapped
     makeWrapper $out/bin/.opam-wrapped $out/bin/opam \
       --argv0 "opam" \
-      --suffix PATH : ${aspcud}/bin:${unzip}/bin:${curl}/bin
+      --suffix PATH : ${aspcud}/bin:${unzip}/bin:${curl}/bin:${lib.optionalString stdenv.isLinux "${bubblewrap}/bin:"}${getconf}/bin
+    $out/bin/opam-installer --prefix=$installer opam-installer.install
   '';
 
   doCheck = false;
@@ -87,6 +109,6 @@ in stdenv.mkDerivation rec {
     homepage = http://opam.ocamlpro.com/;
     maintainers = [ maintainers.henrytill ];
     platforms = platforms.all;
-    license = licenses.lgpl21Plus;
   };
 }
+# Generated by: ./opam.nix.pl -v 2.0.0 -p opam-pull-3487.patch,opam-shebangs.patch,opam-mccs-darwin.patch
diff --git a/pkgs/development/tools/ocaml/opam/opam-mccs-darwin.patch b/pkgs/development/tools/ocaml/opam/opam-mccs-darwin.patch
new file mode 100644
index 000000000000..501242c40a01
--- /dev/null
+++ b/pkgs/development/tools/ocaml/opam/opam-mccs-darwin.patch
@@ -0,0 +1,18 @@
+diff --git a/src_ext/patches/mccs/build-on-darwin.patch b/src_ext/patches/mccs/build-on-darwin.patch
+new file mode 100644
+index 00000000..157e2094
+--- /dev/null
++++ b/src_ext/patches/mccs/build-on-darwin.patch
+@@ -0,0 +1,12 @@
++diff --git a/src/context_flags.ml b/src/context_flags.ml
++index 7470030..6e07370 100644
++--- a/src/context_flags.ml
+++++ b/src/context_flags.ml
++@@ -24,6 +24,7 @@ let ifc c x = if c then x else []
++ 
++ let cxxflags =
++   let flags =
+++    (ifc (Config.system = "macosx") ["-x"; "c++"]) @
++     (ifc (Sys.win32 && Config.ccomp_type = "msvc") ["/EHsc"]) @
++     (ifc useGLPK ["-DUSEGLPK"]) @
++     (ifc useCOIN ["-DUSECOIN"]) @
diff --git a/pkgs/development/tools/ocaml/opam/opam-pull-3487.patch b/pkgs/development/tools/ocaml/opam/opam-pull-3487.patch
new file mode 100644
index 000000000000..e047c8298bc3
--- /dev/null
+++ b/pkgs/development/tools/ocaml/opam/opam-pull-3487.patch
@@ -0,0 +1,23 @@
+diff --git a/src/state/shellscripts/bwrap.sh b/src/state/shellscripts/bwrap.sh
+index 6f5d7dbea..3e1a3e1b4 100755
+--- a/src/state/shellscripts/bwrap.sh
++++ b/src/state/shellscripts/bwrap.sh
+@@ -1,4 +1,6 @@
+-#!/bin/bash -ue
++#!/usr/bin/env bash
++
++set -ue
+ 
+ if ! command -v bwrap >/dev/null; then
+     echo "The 'bwrap' command was not found. Install 'bubblewrap' on your system, or" >&2
+@@ -11,7 +13,9 @@ fi
+ 
+ ARGS=(--unshare-net --new-session)
+ ARGS=("${ARGS[@]}" --proc /proc --dev /dev)
+-ARGS=("${ARGS[@]}" --bind /tmp /tmp --tmpfs /run --tmpfs /var)
++ARGS=("${ARGS[@]}" --bind "${TMPDIR:-/tmp}" /tmp)
++ARGS=("${ARGS[@]}" --setenv TMPDIR /tmp --setenv TMP /tmp --setenv TEMPDIR /tmp --setenv TEMP /tmp)
++ARGS=("${ARGS[@]}" --tmpfs /run --tmpfs /var)
+ 
+ add_mounts() {
+     case "$1" in
diff --git a/pkgs/development/tools/ocaml/opam/opam-shebangs.patch b/pkgs/development/tools/ocaml/opam/opam-shebangs.patch
new file mode 100644
index 000000000000..f74ac84ca6b2
--- /dev/null
+++ b/pkgs/development/tools/ocaml/opam/opam-shebangs.patch
@@ -0,0 +1,128 @@
+diff --git a/src/client/opamInitDefaults.ml b/src/client/opamInitDefaults.ml
+index eca13a7c..1fd66f43 100644
+--- a/src/client/opamInitDefaults.ml
++++ b/src/client/opamInitDefaults.ml
+@@ -35,11 +35,15 @@ let eval_variables = [
+ let os_filter os =
+   FOp (FIdent ([], OpamVariable.of_string "os", None), `Eq, FString os)
+ 
++let os_distribution_filter distro =
++  FOp (FIdent ([], OpamVariable.of_string "os-distribution", None), `Eq, FString distro)
++
+ let linux_filter = os_filter "linux"
+ let macos_filter = os_filter "macos"
+ let openbsd_filter = os_filter "openbsd"
+ let freebsd_filter = os_filter "freebsd"
+ let sandbox_filter = FOr (linux_filter, macos_filter)
++let nixos_filter = os_distribution_filter "nixos"
+ 
+ let gpatch_filter = FOr (openbsd_filter, freebsd_filter)
+ let patch_filter = FNot gpatch_filter
+@@ -50,6 +54,11 @@ let wrappers ~sandboxing () =
+     CString t, None;
+   ] in
+   let w = OpamFile.Wrappers.empty in
++  let w = { w with
++            OpamFile.Wrappers.
++            pre_build = [[CString "%{hooks}%/shebangs.sh", None], Some nixos_filter];
++          }
++  in
+   if sandboxing then
+     { w with
+       OpamFile.Wrappers.
+@@ -113,6 +122,7 @@ let required_tools ~sandboxing () =
+ let init_scripts () = [
+   ("sandbox.sh", OpamScript.bwrap), Some bwrap_filter;
+   ("sandbox.sh", OpamScript.sandbox_exec), Some macos_filter;
++  ("shebangs.sh", OpamScript.patch_shebangs), Some nixos_filter;
+ ]
+ 
+ module I = OpamFile.InitConfig
+diff --git a/src/state/opamScript.mli b/src/state/opamScript.mli
+index 03449970..83de0b53 100644
+--- a/src/state/opamScript.mli
++++ b/src/state/opamScript.mli
+@@ -20,3 +20,4 @@ val env_hook : string
+ val env_hook_zsh : string
+ val env_hook_csh : string
+ val env_hook_fish : string
++val patch_shebangs : string
+diff --git a/src/state/shellscripts/patch_shebangs.sh b/src/state/shellscripts/patch_shebangs.sh
+new file mode 100755
+index 00000000..3ea84e2d
+--- /dev/null
++++ b/src/state/shellscripts/patch_shebangs.sh
+@@ -0,0 +1,73 @@
++#!/usr/bin/env bash
++# This setup hook causes the fixup phase to rewrite all script
++# interpreter file names (`#!  /path') to paths found in $PATH.  E.g.,
++# /bin/sh will be rewritten to /nix/store/<hash>-some-bash/bin/sh.
++# /usr/bin/env gets special treatment so that ".../bin/env python" is
++# rewritten to /nix/store/<hash>/bin/python.  Interpreters that are
++# already in the store are left untouched.
++
++header() { echo "$1"; }
++stopNest() { true; }
++
++fixupOutputHooks+=('if [ -z "$dontPatchShebangs" -a -e "$prefix" ]; then patchShebangs "$prefix"; fi')
++
++patchShebangs() {
++    local dir="$1"
++    header "patching script interpreter paths in $dir"
++    local f
++    local oldPath
++    local newPath
++    local arg0
++    local args
++    local oldInterpreterLine
++    local newInterpreterLine
++
++    find "$dir" -type f -perm -0100 | while read f; do
++        if [ "$(head -1 "$f" | head -c+2)" != '#!' ]; then
++            # missing shebang => not a script
++            continue
++        fi
++
++        oldInterpreterLine=$(head -1 "$f" | tail -c+3)
++        read -r oldPath arg0 args <<< "$oldInterpreterLine"
++
++        if $(echo "$oldPath" | grep -q "/bin/env$"); then
++            # Check for unsupported 'env' functionality:
++            # - options: something starting with a '-'
++            # - environment variables: foo=bar
++            if $(echo "$arg0" | grep -q -- "^-.*\|.*=.*"); then
++                echo "unsupported interpreter directive \"$oldInterpreterLine\" (set dontPatchShebangs=1 and handle shebang patching yourself)"
++                exit 1
++            fi
++            newPath="$(command -v "$arg0" || true)"
++        else
++            if [ "$oldPath" = "" ]; then
++                # If no interpreter is specified linux will use /bin/sh. Set
++                # oldpath="/bin/sh" so that we get /nix/store/.../sh.
++                oldPath="/bin/sh"
++            fi
++            newPath="$(command -v "$(basename "$oldPath")" || true)"
++            args="$arg0 $args"
++        fi
++
++        # Strip trailing whitespace introduced when no arguments are present
++        newInterpreterLine="$(echo "$newPath $args" | sed 's/[[:space:]]*$//')"
++
++        if [ -n "$oldPath" -a "${oldPath:0:${#NIX_STORE}}" != "$NIX_STORE" ]; then
++            if [ -n "$newPath" -a "$newPath" != "$oldPath" ]; then
++                echo "$f: interpreter directive changed from \"$oldInterpreterLine\" to \"$newInterpreterLine\""
++                # escape the escape chars so that sed doesn't interpret them
++                escapedInterpreterLine=$(echo "$newInterpreterLine" | sed 's|\\|\\\\|g')
++                # Preserve times, see: https://github.com/NixOS/nixpkgs/pull/33281
++                touch -r "$f" "$f.timestamp"
++                sed -i -e "1 s|.*|#\!$escapedInterpreterLine|" "$f"
++                touch -r "$f.timestamp" "$f"
++                rm "$f.timestamp"
++            fi
++        fi
++    done
++
++    stopNest
++}
++
++patchShebangs .
diff --git a/pkgs/development/tools/ocaml/opam/opam.nix.pl b/pkgs/development/tools/ocaml/opam/opam.nix.pl
new file mode 100755
index 000000000000..1862add452d6
--- /dev/null
+++ b/pkgs/development/tools/ocaml/opam/opam.nix.pl
@@ -0,0 +1,130 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings qw<all>;
+use Getopt::Std;
+
+my $gencmd = "# Generated by: " . join(" ", $0, @ARGV) . "\n";
+
+our $opt_v;
+our $opt_p;
+our $opt_r;
+our $opt_t;
+getopts "v:p:t:r:";
+
+my $OPAM_RELEASE = $opt_v // "2.0.0";
+my $OPAM_TAG = $opt_t // $OPAM_RELEASE;
+my $OPAM_GITHUB_REPO = $opt_r // "ocaml/opam";
+my $OPAM_RELEASE_URL = "https://github.com/$OPAM_GITHUB_REPO/archive/$OPAM_TAG.zip";
+my $OPAM_RELEASE_SHA256 = `nix-prefetch-url \Q$OPAM_RELEASE_URL\E`;
+chomp $OPAM_RELEASE_SHA256;
+
+my $OPAM_BASE_URL = "https://raw.githubusercontent.com/$OPAM_GITHUB_REPO/$OPAM_TAG";
+my $OPAM_OPAM = `curl -L --url \Q$OPAM_BASE_URL\E/opam-devel.opam`;
+my($OCAML_MIN_VERSION) = $OPAM_OPAM =~ /^available: ocaml-version >= "(.*)"$/m
+  or die "could not parse ocaml version bound\n";
+
+print <<"EOF";
+{ stdenv, lib, fetchurl, makeWrapper, getconf,
+  ocaml, unzip, ncurses, curl, aspcud, bubblewrap
+}:
+
+assert lib.versionAtLeast ocaml.version "$OCAML_MIN_VERSION";
+
+let
+  srcs = {
+EOF
+
+my %urls = ();
+my %md5s = ();
+
+open(SOURCES, "-|", "curl", "-L", "--url", "$OPAM_BASE_URL/src_ext/Makefile.sources");
+while (<SOURCES>) {
+  if (/^URL_(?!PKG_)([-\w]+)\s*=\s*(\S+)$/) {
+    $urls{$1} = $2;
+  } elsif (/^MD5_(?!PKG_)([-\w]+)\s*=\s*(\S+)$/) {
+    $md5s{$1} = $2;
+  }
+}
+for my $src (sort keys %urls) {
+  my ($sha256,$store_path) = split /\n/, `nix-prefetch-url --print-path \Q$urls{$src}\E`;
+  system "echo \Q$md5s{$src}\E' *'\Q$store_path\E | md5sum -c 1>&2";
+  die "md5 check failed for $urls{$src}\n" if $?;
+  print <<"EOF";
+    $src = fetchurl {
+      url = "$urls{$src}";
+      sha256 = "$sha256";
+    };
+EOF
+}
+
+print <<"EOF";
+    opam = fetchurl {
+      url = "$OPAM_RELEASE_URL";
+      sha256 = "$OPAM_RELEASE_SHA256";
+    };
+  };
+in stdenv.mkDerivation rec {
+  name = "opam-\${version}";
+  version = "$OPAM_RELEASE";
+
+  buildInputs = [ unzip curl ncurses ocaml makeWrapper getconf ] ++ lib.optional stdenv.isLinux bubblewrap;
+
+  src = srcs.opam;
+
+  postUnpack = ''
+EOF
+for my $src (sort keys %urls) {
+  my($ext) = $urls{$src} =~ /(\.(?:t(?:ar\.|)|)(?:gz|bz2?))$/
+    or die "could not find extension for $urls{$src}\n";
+  print <<"EOF";
+    ln -sv \${srcs.$src} \$sourceRoot/src_ext/$src$ext
+EOF
+}
+print <<'EOF';
+  '';
+
+EOF
+if (defined $opt_p) {
+  print "  patches = [ ";
+  for my $patch (split /[, ]/, $opt_p) {
+    $patch =~ s/^(?=[^\/]*$)/.\//;
+    print "$patch ";
+  }
+  print "];\n\n";
+}
+print <<'EOF';
+  preConfigure = ''
+    substituteInPlace ./src_ext/Makefile --replace "%.stamp: %.download" "%.stamp:"
+    patchShebangs src/state/shellscripts
+  '';
+
+  postConfigure = "make lib-ext";
+
+  # Dirty, but apparently ocp-build requires a TERM
+  makeFlags = ["TERM=screen"];
+
+  outputs = [ "out" "installer" ];
+  setOutputFlags = false;
+
+  # change argv0 to "opam" as a workaround for
+  # https://github.com/ocaml/opam/issues/2142
+  postInstall = ''
+    mv $out/bin/opam $out/bin/.opam-wrapped
+    makeWrapper $out/bin/.opam-wrapped $out/bin/opam \
+      --argv0 "opam" \
+      --suffix PATH : ${aspcud}/bin:${unzip}/bin:${curl}/bin:${lib.optionalString stdenv.isLinux "${bubblewrap}/bin:"}${getconf}/bin
+    $out/bin/opam-installer --prefix=$installer opam-installer.install
+  '';
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A package manager for OCaml";
+    homepage = http://opam.ocamlpro.com/;
+    maintainers = [ maintainers.henrytill ];
+    platforms = platforms.all;
+  };
+}
+EOF
+print $gencmd;
diff --git a/pkgs/development/tools/pyre/default.nix b/pkgs/development/tools/pyre/default.nix
index 1d7f8025bb0e..b51f6344c9b7 100644
--- a/pkgs/development/tools/pyre/default.nix
+++ b/pkgs/development/tools/pyre/default.nix
@@ -1,24 +1,30 @@
-{ stdenv, fetchFromGitHub, ocamlPackages, makeWrapper, writeScript }:
+{ stdenv, fetchFromGitHub, ocamlPackages, makeWrapper, writeScript
+, jbuilder, python3, rsync, fetchpatch }:
 let
   # Manually set version - the setup script requires
   # hg and git + keeping the .git directory around.
-  version = "0.0.10";
+  pyre-version = "0.0.11";
   versionFile = writeScript "version.ml" ''
     cat > "./version.ml" <<EOF
+    open Core
     let build_info () =
-    "pyre-nixpkgs ${version}"
+    "pyre-nixpkgs ${pyre-version}"
     let version () =
-    "${version}"
+    "${pyre-version}"
+
+    let log_version_banner () =
+      Log.info "Running as pid: %d" (Pid.to_int (Unix.getpid ()));
+      Log.info "Version: %s" (version ());
     EOF
   '';
-in stdenv.mkDerivation {
-  name = "pyre-${version}";
+ pyre-bin = stdenv.mkDerivation {
+  name = "pyre-${pyre-version}";
 
   src = fetchFromGitHub {
     owner = "facebook";
     repo = "pyre-check";
-    rev = "v${version}";
-    sha256 = "17fk2izq434jsr8dfz828754356qdwa6zv0lbzm6z1kgq4jg7brv";
+    rev = "v${pyre-version}";
+    sha256 = "0ig7bx2kfn2kbxw74wysh5365yp5gyby42l9l29iclrzdghgk32l";
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -33,6 +39,8 @@ in stdenv.mkDerivation {
     ppx_deriving_yojson
     ocamlbuild
     ppxlib
+    jbuilder
+    ounit
     # python36Packages.python36Full # TODO
   ];
 
@@ -41,13 +49,15 @@ in stdenv.mkDerivation {
     export HOME=.
 
     # "external" because https://github.com/facebook/pyre-check/pull/8/files
-    sed "s/%VERSION%/external ${version}/" Makefile.template > Makefile
+    cp Makefile.template Makefile
+    sed "s/%VERSION%/external/" dune.in > dune
 
     cp ${versionFile} ./scripts/generate-version-number.sh
 
     mkdir $(pwd)/build
     export OCAMLFIND_DESTDIR=$(pwd)/build
     export OCAMLPATH=$OCAMLPATH:$(pwd)/build
+
     make release
   '';
 
@@ -60,7 +70,7 @@ in stdenv.mkDerivation {
   # Improvement for a future version.
   installPhase = ''
     mkdir -p $out/bin
-    cp _build/all/main.native $out/bin/pyre.bin
+    cp ./_build/default/main.exe $out/bin/pyre.bin
   '';
 
   meta = with stdenv.lib; {
@@ -70,4 +80,54 @@ in stdenv.mkDerivation {
     platforms = with platforms; linux;
     maintainers = with maintainers; [ teh ];
   };
+};
+typeshed = stdenv.mkDerivation {
+  name = "typeshed";
+  # typeshed doesn't have versions, it seems to be synchronized with
+  # mypy relases. I'm assigning a random version here (same as pyre).
+  version = pyre-version;
+  src = fetchFromGitHub {
+    owner = "python";
+    repo = "typeshed";
+    rev = "a08c6ea";
+    sha256 = "0wy8yh43vhyyc4g7iqnmlj66kz5in02y5qc0c4jdckhpa3mchaqk";
+  };
+  phases = [ "unpackPhase" "installPhase" ];
+  installPhase = "cp -r $src $out";
+};
+in python3.pkgs.buildPythonApplication rec {
+  pname = "pyre-check";
+  version = pyre-version;
+  src = fetchFromGitHub {
+    owner = "facebook";
+    repo = "pyre-check";
+    rev = "v${pyre-version}";
+    sha256 = "0ig7bx2kfn2kbxw74wysh5365yp5gyby42l9l29iclrzdghgk32l";
+  };
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/facebook/pyre-check/commit/b473d2ed9fc11e7c1cd0c7b8c42f521e5cdc2003.patch";
+      sha256 = "05xvyp7j4n6z92bxf64rxfq5pvaadxgx1c8c5qziy75vdz72lkcy";
+    })
+    ./pyre-bdist-wheel.patch
+  ];
+
+  # The build-pypi-package script does some funky stuff with build
+  # directories - easier to patch it a bit than to replace it
+  # completely though:
+  postPatch = ''
+    mkdir ./build
+    substituteInPlace scripts/build-pypi-package.sh \
+        --replace 'NIX_BINARY_FILE' '${pyre-bin}/bin/pyre.bin' \
+        --replace 'BUILD_ROOT="$(mktemp -d)"' "BUILD_ROOT=$(pwd)/build"
+  '';
+
+  buildInputs = [ pyre-bin rsync ];
+  propagatedBuildInputs = with python3.pkgs; [ docutils typeshed ];
+  buildPhase = ''
+    bash scripts/build-pypi-package.sh --version ${pyre-version} --bundle-typeshed ${typeshed}
+    cp -r build/dist dist
+  '';
+
+  doCheck = false; # can't open file 'nix_run_setup':
 }
diff --git a/pkgs/development/tools/pyre/pyre-bdist-wheel.patch b/pkgs/development/tools/pyre/pyre-bdist-wheel.patch
new file mode 100644
index 000000000000..1b6fea024e03
--- /dev/null
+++ b/pkgs/development/tools/pyre/pyre-bdist-wheel.patch
@@ -0,0 +1,43 @@
+diff --git a/scripts/build-pypi-package.sh b/scripts/build-pypi-package.sh
+index 1035591..bb8cbae 100755
+--- a/scripts/build-pypi-package.sh
++++ b/scripts/build-pypi-package.sh
+@@ -98,7 +98,7 @@ rsync -avm --filter='- tests/' --filter='+ */' --filter='-! *.py' "${SCRIPTS_DIR
+ sed -i -e "/__version__/s/= \".*\"/= \"${PACKAGE_VERSION}\"/" "${BUILD_ROOT}/${MODULE_NAME}/version.py"
+ 
+ # Copy binary files.
+-BINARY_FILE="${SCRIPTS_DIRECTORY}/../_build/default/main.exe"
++BINARY_FILE="NIX_BINARY_FILE"
+ if [[ ! -f "${BINARY_FILE}" ]]; then
+   echo "The binary file ${BINARY_FILE} does not exist."
+   echo "Have you run 'make' in the toplevel directory?"
+@@ -146,7 +146,7 @@ def find_typeshed_files(base):
+         result.append((target, files))
+     return result
+ 
+-with open('README.md') as f:
++with open('README.md', encoding='utf8') as f:
+     long_description = f.read()
+ 
+ setup(
+@@ -205,20 +205,3 @@ fi
+ 
+ # Build.
+ python3 setup.py bdist_wheel
+-
+-# Move artifact outside the build directory.
+-mkdir -p "${SCRIPTS_DIRECTORY}/dist"
+-files_count="$(find "${BUILD_ROOT}/dist/" -type f | wc -l | tr -d ' ')"
+-[[ "${files_count}" == '1' ]] || \
+-  die "${files_count} files created in ${BUILD_ROOT}/dist, but only one was expected"
+-source_file="$(find "${BUILD_ROOT}/dist/" -type f)"
+-destination="$(basename "${source_file}")"
+-destination="${destination/%-any.whl/-${WHEEL_DISTRIBUTION_PLATFORM}.whl}"
+-mv "${source_file}" "${SCRIPTS_DIRECTORY}/dist/${destination}"
+-
+-# Cleanup.
+-cd "${SCRIPTS_DIRECTORY}"
+-rm -rf "${BUILD_ROOT}"
+-
+-printf '\nAll done. Build artifact available at:\n  %s\n' "${SCRIPTS_DIRECTORY}/dist/${destination}"
+-exit 0
diff --git a/pkgs/development/tools/wp-cli/default.nix b/pkgs/development/tools/wp-cli/default.nix
index 2f5552945714..e2250297c8eb 100644
--- a/pkgs/development/tools/wp-cli/default.nix
+++ b/pkgs/development/tools/wp-cli/default.nix
@@ -1,42 +1,46 @@
 { stdenv, lib, fetchurl, writeScript, writeText, php }:
 
 let
-  name = "wp-cli-${version}";
-  version = "2.0.0";
-
-  src = fetchurl {
-    url    = "https://github.com/wp-cli/wp-cli/releases/download/v${version}/${name}.phar";
-    sha256 = "1s8pv8vdjwiwknpwsxc59l1zxc2np7nrp6bjd0s8jwsrv5fgjzsp";
-  };
+  version = "2.0.1";
 
   completion = fetchurl {
     url    = "https://raw.githubusercontent.com/wp-cli/wp-cli/v${version}/utils/wp-completion.bash";
     sha256 = "15d330x6d3fizrm6ckzmdknqg6wjlx5fr87bmkbd5s6a1ihs0g24";
   };
 
-  bin = writeScript "wp" ''
-    #! ${stdenv.shell}
+in stdenv.mkDerivation rec {
+  name = "wp-cli-${version}";
+  inherit version;
 
-    set -euo pipefail
+  src = fetchurl {
+    url    = "https://github.com/wp-cli/wp-cli/releases/download/v${version}/${name}.phar";
+    sha256 = "05lbay4c0477465vv4h8d2j94pk3haz1a7f0ncb127fvxz3a2pcg";
+  };
 
-    exec ${lib.getBin php}/bin/php \
-      -c ${ini} \
-      -f ${src} -- "$@"
-  '';
+  buildCommand = ''
+    dir=$out/share/wp-cli
+    mkdir -p $out/bin $dir
 
-  ini = writeText "wp-cli.ini" ''
-    [PHP]
-    memory_limit = -1 ; no limit as composer uses a lot of memory
+    cat <<_EOF > $out/bin/wp
+#!${stdenv.shell}
 
-    [Phar]
-    phar.readonly = Off
-  '';
+set -euo pipefail
 
-in stdenv.mkDerivation rec {
-  inherit name version;
+exec ${lib.getBin php}/bin/php \\
+  -c $dir/php.ini \\
+  -f $dir/wp-cli -- "\$@"
+_EOF
+    chmod 0755 $out/bin/wp
 
-  buildCommand = ''
-    install -Dm755 ${bin}        $out/bin/wp
+    cat <<_EOF > $dir/php.ini
+[PHP]
+memory_limit = -1 ; no limit as composer uses a lot of memory
+
+[Phar]
+phar.readonly = Off
+_EOF
+
+    install -Dm644 ${src}        $dir/wp-cli
     install -Dm644 ${completion} $out/share/bash-completion/completions/wp
 
     # this is a very basic run test