u9fs: initial package

pkgs/servers/u9fs/default.nix

@@ -0,0 +1,24 @@
+{ stdenv, fetchhg }:
+
+stdenv.mkDerivation {
+  name = "u9fs-20110513";
+  src = fetchhg {
+    url = https://code.google.com/p/u9fs;
+    rev = "9474edb23b11";
+    sha256 = "0irwyk8vnvx0fmz8lmbdb2jrlvas8imr61jr76a1pkwi9wpf2wv6";
+  };
+
+  installPhase =
+    ''
+      mkdir -p $out/bin $out/share/man4
+      cp u9fs $out/bin; cp u9fs.man $out/share/man4
+    '';
+
+  meta = with stdenv.lib;
+    { description = "Serve 9P from Unix";
+      homepage = https://code.google.com/p/u9fs;
+      license = licenses.free;
+      maintainers = [ maintainers.emery ];
+      platforms = platforms.unix;
+    };
+}

pkgs/top-level/all-packages.nix

@@ -2779,6 +2779,8 @@ let
 
   txt2man = callPackage ../tools/misc/txt2man { };
 
+  u9fs = callPackage ../servers/u9fs { };
+
   ucl = callPackage ../development/libraries/ucl { };
 
   ucspi-tcp = callPackage ../tools/networking/ucspi-tcp { };