* Added bsdiff 4.2. Wow, this is even better than zdelta (which in

turn appears to be better than vdelta).

svn path=/nixpkgs/trunk/; revision=1819

pkgs/tools/compression/bsdiff/default.nix

@@ -0,0 +1,11 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+  name = "bsdiff-4.2";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.daemonology.net/bsdiff/bsdiff-4.2.tar.gz;
+    md5 = "9f582a77eb76d116d82d1ad268ef48fa";
+  };
+  patches = [./makefile.patch];
+}