pigz: an implementation of gzip that can take advantage of multi-core CPUs

Initial version.

svn path=/nixpkgs/trunk/; revision=17707

pkgs/tools/compression/pigz/default.nix

@@ -0,0 +1,30 @@
+{stdenv, fetchurl, zlib}:
+
+let name = "pigz";
+    version = "2.1.5";
+in
+stdenv.mkDerivation {
+  name = name + "-" + version;
+
+  src = fetchurl {
+    url = "http://www.zlib.net/${name}/${name}-${version}.tar.gz";
+    sha256 = "0fz533wb45r9cx3iaaary2azsvvpd9kmnkx22bskv5jcz3qic7xf";
+  };
+
+  buildInputs = [zlib];
+  doCheck = false;  # The makefile is broken in 2.1.5. Should be fixed upstream.
+  checkTarget = "tests";
+  installPhase =
+  ''
+      install -Dm755 pigz "$out/bin/pigz"
+      ln -s pigz "$out/bin/unpigz"
+      install -Dm755 pigz.1 "$out/share/man/man1/pigz.1"
+      ln -s pigz.1 "$out/share/man/man1/unpigz.1"
+      install -Dm755 pigz.pdf "$out/share/doc/pigz/pigz.pdf"
+  '';
+
+  meta = {
+    homepage = http://www.zlib.net/pigz/;
+    description = "A parallel implementation of gzip for multi-core machines";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -889,6 +889,10 @@ let
       inherit fetchurl stdenv;
     });
 
+  pigz = import ../tools/compression/pigz {
+    inherit fetchurl stdenv zlib;
+  };
+
   halibut = import ../tools/typesetting/halibut {
     inherit fetchurl stdenv perl;
   };