rubyripper: New expression

Adds minimal support for being able to run rrip_cli

pkgs/applications/audio/rubyripper/default.nix

···
+{ stdenv, fetchurl, ruby, cdparanoia, makeWrapper }:
+stdenv.mkDerivation rec {
+  version = "0.6.2";
+  name = "rubyripper-${version}";
+  src = fetchurl {
+    url = "https://rubyripper.googlecode.com/files/rubyripper-${version}.tar.bz2";
+    sha256 = "1fwyk3y0f45l2vi3a481qd7drsy82ccqdb8g2flakv58m45q0yl1";
+  };
+  configureFlags = [ "--enable-cli" ];
+  buildInputs = [ ruby cdparanoia makeWrapper ];
+  postInstall = ''
+    wrapProgram "$out/bin/rrip_cli" \
+      --prefix PATH : "${ruby}/bin" \
+      --prefix PATH : "${cdparanoia}/bin"
+  '';
+}

pkgs/top-level/all-packages.nix

···
     enableCopyDevicesPatch = (config.rsync.enableCopyDevicesPatch or false);
   };
 
+  rubyripper = callPackage ../applications/audio/rubyripper {};
+
   rxvt = callPackage ../applications/misc/rxvt { };
 
   # = urxvt