* Add a fetchhg builder to checkout mercurial repositories.

svn path=/nixpkgs/trunk/; revision=18347

pkgs/build-support/fetchhg/builder.sh

@@ -0,0 +1,9 @@
+source $stdenv/setup
+
+header "getting $url${tag:+ ($tag)} into $out"
+
+hg clone ${tag:+-r "$tag"} "$url" "$out"
+
+rm -rf "$out/.hg"
+
+stopNest

pkgs/build-support/fetchhg/default.nix

@@ -1,7 +1,8 @@
 {stdenv, mercurial, nix}: {url, tag ? null, md5}:
 
+# TODO: statically check if mercurial as the https support if the url starts woth https.
 stdenv.mkDerivation {
-  name = "fetchdarcs";
+  name = "fetchhg";
   builder = ./builder.sh;
   buildInputs = [mercurial nix];
 

pkgs/top-level/all-packages.nix

@@ -290,7 +290,6 @@ let
     sshSupport = true;
   };
 
-  # TODO do some testing
   fetchhg = import ../build-support/fetchhg {
     inherit stdenv mercurial nix;
   };