nix-script: init at 2015-09-22 (#55495)

pkgs/tools/nix/nix-script/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, haskellPackages, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  name = "nix-script-${version}";
+  version = "2015-09-22";
+
+  src  = fetchFromGitHub {
+    owner  = "bennofs";
+    repo   = "nix-script";
+    rev    = "83064dc557b642f6748d4f2372b2c88b2a82c4e7";
+    sha256 = "0iwclyd2zz8lv012yghfr4696kdnsq6xvc91wv00jpwk2c09xl7a";
+  };
+
+  buildInputs  = [
+    (haskellPackages.ghcWithPackages (hs: with hs; [ posix-escape ]))
+  ];
+
+  phases = [ "buildPhase" "installPhase" "fixupPhase" ];
+  buildPhase = ''
+    mkdir -p $out/bin
+    ghc -O2 $src/nix-script.hs -o $out/bin/nix-script -odir . -hidir .
+  '';
+  installPhase = ''
+    ln -s $out/bin/nix-script $out/bin/nix-scripti
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A shebang for running inside nix-shell.";
+    homepage    = https://github.com/bennofs/nix-script;
+    license     = licenses.bsd3;
+    maintainers = with maintainers; [ bennofs rnhmjoj ];
+    platforms   = haskellPackages.ghc.meta.platforms;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -22713,6 +22713,8 @@ in
 
   nix-update-source = callPackage ../tools/package-management/nix-update-source {};
 
+  nix-script = callPackage ../tools/nix/nix-script {};
+
   nix-template-rpm = callPackage ../build-support/templaterpm { inherit (pythonPackages) python toposort; };
 
   nix-top = callPackage ../tools/package-management/nix-top { };