1 files changed, 16 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/tools/package-management/nix/default.nix b/nixpkgs/pkgs/tools/package-management/nix/default.nix
index 6d0e07d60f98..7ba83b700375 100644
--- a/nixpkgs/pkgs/tools/package-management/nix/default.nix
+++ b/nixpkgs/pkgs/tools/package-management/nix/default.nix
@@ -11,7 +11,7 @@ let
 common =
   { lib, stdenv, fetchurl, fetchpatch, perl, curl, bzip2, sqlite, openssl ? null, xz
   , pkgconfig, boehmgc, perlPackages, libsodium, brotli, boost, editline
-  , autoreconfHook, autoconf-archive, bison, flex, libxml2, libxslt, docbook5, docbook_xsl_ns
+  , autoreconfHook, autoconf-archive, bison, flex, libxml2, libxslt, docbook5, docbook_xsl_ns, jq
   , busybox-sandbox-shell
   , storeDir
   , stateDir
@@ -37,7 +37,7 @@ common =
       nativeBuildInputs =
         [ pkgconfig ]
         ++ lib.optionals (!is20) [ curl perl ]
-        ++ lib.optionals fromGit [ autoreconfHook autoconf-archive bison flex libxml2 libxslt docbook5 docbook_xsl_ns ];
+        ++ lib.optionals fromGit [ autoreconfHook autoconf-archive bison flex libxml2 libxslt docbook5 docbook_xsl_ns jq ];
 
       buildInputs = [ curl openssl sqlite xz bzip2 ]
         ++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium
@@ -193,4 +193,18 @@ in rec {
     inherit storeDir stateDir confDir boehmgc;
   });
 
+  nixFlakes = lib.lowPrio (callPackage common rec {
+    name = "nix-2.3${suffix}";
+    suffix = "pre20190612_06010ea";
+    src = fetchFromGitHub {
+      owner = "NixOS";
+      repo = "nix";
+      rev = "06010eaf199005a393f212023ec5e8bc97978537";
+      sha256 = "1fq99fmlag5hxvgzxrclgfsnc1fhhfwnslyshad1934wi9nzx1s2";
+    };
+    fromGit = true;
+
+    inherit storeDir stateDir confDir boehmgc;
+  });
+
 }