pkgs: add xsnow

pkgs/games/xsnow/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, fetchurl, libXt, libXpm, libXext, imake }:
+
+stdenv.mkDerivation rec {
+
+  version = "1.42";
+  name = "xsnow";
+
+  src = fetchurl {
+    url = "http://dropmix.xs4all.nl/rick/Xsnow/xsnow-${version}.tar.gz";
+    sha256 = "06jnbp88wc9i9dbmy7kggplw4hzlx2bhghxijmlhkjlizgqwimyh";
+  };
+
+  buildInputs = [
+    libXt libXpm libXext imake
+  ];
+
+  buildPhase = ''
+    xmkmf
+    make
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin $out/share/man/man1
+    cp xsnow $out/bin/
+    cp xsnow.1 $out/share/man/man1/
+  '';
+
+  meta = {
+    description = "An X-windows application that will let it snow on the root, in between and on windows";
+    homepage = http://dropmix.xs4all.nl/rick/Xsnow/;
+    license = stdenv.lib.licenses.unfree;
+    maintainers = [ stdenv.lib.maintainers.robberer ];
+  }; 
+}

pkgs/top-level/all-packages.nix

@@ -11603,6 +11603,8 @@ let
 
   xskat = callPackage ../games/xskat { };
 
+  xsnow = callPackage ../games/xsnow { };
+
   xsokoban = builderDefsPackage (import ../games/xsokoban) {
     inherit (xlibs) libX11 xproto libXpm libXt;
   };