* Added zdelta 2.1.

svn path=/nixpkgs/trunk/; revision=1817

pkgs/system/all-packages-generic.nix

@@ -102,6 +102,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  zdelta = (import ../tools/compression/zdelta) {
+    inherit fetchurl stdenv;
+  };
+
   which = (import ../tools/system/which) {
     inherit fetchurl stdenv;
   };

pkgs/system/populate-cache.nix

@@ -14,6 +14,7 @@ let {
     unzip
     gzip
     bzip2
+    zdelta
     wget
     par2cmdline
     cksfv

pkgs/tools/compression/zdelta/builder.sh

@@ -0,0 +1,9 @@
+. $stdenv/setup
+
+installPhase=installPhase
+installPhase() {
+    ensureDir $out/bin
+    cp -p zdc zdu $out/bin
+}
+
+genericBuild

pkgs/tools/compression/zdelta/default.nix

@@ -0,0 +1,10 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+  name = "zdelta-2.1";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://cis.poly.edu/zdelta/downloads/zdelta-2.1.tar.gz;
+    md5 = "c69583a64f42f69a39e297d0d27d77e5";
+  };
+}