nix-prefetch-scripts: new expression

pkgs/build-support/nix-prefetch-tools/default.nix

@@ -1,28 +0,0 @@
-{stdenv}:
-stdenv.mkDerivation {
-  name = "nix-prefetch-tools";
-  src = "";
-  srcRoot=".";
-  prePhases = "undefUnpack";
-  undefUnpack = ''
-    unpackPhase () { :; };
-  '';
-  installPhase = ''
-    mkdir -p $out/bin
-    cp ${../fetchbzr/nix-prefetch-bzr} $out/bin
-    cp ${../fetchcvs/nix-prefetch-cvs} $out/bin
-    cp ${../fetchgit/nix-prefetch-git} $out/bin
-    cp ${../fetchhg/nix-prefetch-hg} $out/bin
-    cp ${../fetchsvn/nix-prefetch-svn} $out/bin
-    chmod a+x $out/bin/*
-  '';
-  meta = {
-    description = ''
-      A package to include all the NixPkgs prefetchers
-    '';
-    maintainers = with stdenv.lib.maintainers; [raskin];
-    platforms = with stdenv.lib.platforms; unix;
-    # Quicker to build than to download, I hope
-    hydraPlatforms = [];
-  };
-}

pkgs/tools/package-management/nix-prefetch-scripts/default.nix

@@ -0,0 +1,33 @@
+{ stdenv, makeWrapper, git, subversion, mercurial, bazaar, cvs }:
+
+stdenv.mkDerivation {
+  name = "nix-prefetch-scripts";
+
+  buildInputs = [ makeWrapper ];
+
+  phases = [ "installPhase" "fixupPhase" ];
+  installPhase = ''
+    mkdir -p $out/bin
+    function copyScript {
+      local name=nix-prefetch-$1;
+      local src=$2;
+      local exe=$3/bin;
+      cp $src $out/bin/$name;
+      wrapProgram $out/bin/$name --suffix PATH : "$exe"
+    }
+
+    copyScript "hg" ${../../../build-support/fetchhg/nix-prefetch-hg} ${mercurial}
+    copyScript "git" ${../../../build-support/fetchgit/nix-prefetch-git} ${git}
+    copyScript "svn" ${../../../build-support/fetchsvn/nix-prefetch-svn} ${subversion}
+    copyScript "bzr" ${../../../build-support/fetchbzr/nix-prefetch-bzr} ${bazaar}
+    copyScript "cvs" ${../../../build-support/fetchcvs/nix-prefetch-cvs} ${cvs}
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Collection of all the nix-prefetch-* scripts which may be used to obtain source hashes";
+    maintainers = with maintainers; [ bennofs ];
+    platforms = with stdenv.lib.platforms; unix;
+    # Quicker to build than to download, I hope
+    hydraPlatforms = [];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -10894,7 +10894,7 @@ let
 
   nixops = callPackage ../tools/package-management/nixops { };
 
-  nix-prefetch-tools = callPackage ../build-support/nix-prefetch-tools {};
+  nix-prefetch-scripts = callPackage ../tools/package-management/nix-prefetch-scripts { };
 
   nix-repl = callPackage ../tools/package-management/nix-repl { };