Update git and related tools to latest releases.

Git     -> 1.8.5.1
stgit   -> 0.16
svn2git -> 2.2.2

Signed-off-by: Moritz Ulrich <moritz@tarn-vedra.de>

pkgs/applications/version-management/git-and-tools/svn2git/default.nix

@@ -1,12 +1,14 @@
-{ stdenv, fetchgit, ruby, makeWrapper, git }:
+{ stdenv, fetchurl, ruby, makeWrapper, git }:
 
-stdenv.mkDerivation rec {
-  name = "svn2git-2.1.0-20111206";
+let
+  version = "2.2.2";
+in
+stdenv.mkDerivation {
+  name = "svn2git-${version}";
 
-  src = fetchgit {
-    url = https://github.com/nirvdrum/svn2git;
-    rev = "5cd8d4b509affb66eb2dad50d7298c52b3b0d848";
-    sha256 = "26aa17f68f605e958b623d803b4bd405e12d6c5d51056635873a2c59e4c7b9ca";
+  src = fetchurl {
+    url = "https://github.com/nirvdrum/svn2git/archive/v${version}.tar.gz";
+    sha256 = "14zinkpgybz15jvbfw0sb432w6f5w4sa5pdqycjwva8v8lxqn9mh";
   };
 
   buildInputs = [ ruby makeWrapper ];
@@ -17,14 +19,22 @@ stdenv.mkDerivation rec {
     ''
       mkdir -p $out
       cp -r lib $out/
-      
+
       mkdir -p $out/bin
       substituteInPlace bin/svn2git --replace '/usr/bin/env ruby' ${ruby}/bin/ruby
       cp bin/svn2git $out/bin/
       chmod +x $out/bin/svn2git
-      
+
       wrapProgram $out/bin/svn2git \
         --set RUBYLIB $out/lib \
         --prefix PATH : ${git}/bin
     '';
+
+  meta = {
+    homepage = https://github.com/nirvdrum/svn2git;
+    description = "Ruby tool for importing existing svn projects into git";
+    license = stdenv.lib.licenses.mit;
+
+    maintainers = [ stdenv.lib.maintainers.the-kenny ];
+  };
 }