vsch: fetch release tarballs, not git revisions

We only update at releases anyway, so it doesn't really make sense to
use fetchgit. Plus, it makes monitor.nixos.org useless because we're
inevitably behind master.

pkgs/applications/version-management/vcsh/default.nix

@@ -1,14 +1,12 @@
-{stdenv, fetchgit}:
+{stdenv, fetchurl}:
 
 stdenv.mkDerivation rec {
-  rev = "ef15aeeb0553efb698e3d4261e79eff77a136ee7";
-  version = "1.20141026";
-  name = "vcsh-${version}_${builtins.substring 0 7 rev}";
+  version = "1.20141026-1";
+  name = "vcsh-${version}";
 
-  src = fetchgit {
-    inherit rev;
-    url = "https://github.com/RichiH/vcsh";
-    sha256 = "1dg6ina2wpy406s5x0x4r7khx6gc42hfak0gjwy0i53ivkckl1nd";
+  src = fetchurl {
+    url = "https://github.com/RichiH/vcsh/archive/v${version}.tar.gz";
+    sha256 = "1wgrmkygsbmk8zj88kjx9aim2fc44hh2d1a83h4mn2j714pffh33";
   };
 
   phases = [ "unpackPhase" "installPhase" "fixupPhase" ];