i7z: update to 0.27.2, cleanup build, add git repository to metadata.

pkgs/os-specific/linux/i7z/default.nix

@@ -1,19 +1,15 @@
 { stdenv, fetchurl, qt4, ncurses}:
 
 stdenv.mkDerivation rec {
-  name = "i7z-0.27.1";
+  name = "i7z-0.27.2";
 
   src = fetchurl {
     url = "http://i7z.googlecode.com/files/${name}.tar.gz";
-    sha256 = "0n3pry1qmpq4basnny3gddls2zlwz0813ixnas87092rvlgjhbc6";
+    sha256 = "1wa7ix6m75wl3k2n88sz0x8cckvlzqklja2gvzqfw5rcfdjjvxx7";
   };
 
   buildInputs = [qt4 ncurses];
 
-  patchPhase = ''
-    substituteInPlace Makefile --replace "/usr/sbin" "$out/sbin"
-  '';
-
   buildPhase = ''
     make
     cd GUI
@@ -24,15 +20,15 @@ stdenv.mkDerivation rec {
   '';
 
   installPhase = ''
-    pwd
     ensureDir $out/sbin
-    make install
+    make install prefix=$out
     install -Dm755 GUI/i7z_GUI $out/sbin/i7z-gui
   '';
 
   meta = {
     description = "A better i7 (and now i3, i5) reporting tool for Linux";
     homepage = http://code.google.com/p/i7z;
+    repositories.git = https://github.com/ajaiantilal/i7z.git;
     license = "GPLv2";
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
   };