port gvfs from gnome2

pkgs/desktops/gnome-3/core/gvfs/default.nix

@@ -0,0 +1,21 @@
+{ stdenv, fetchurl, pkgconfig, dbus_libs, samba, libarchive, fuse, libgphoto2
+, libcdio, libxml2, libtool, glib, intltool, gconf, libgnome_keyring, libsoup
+, udev, avahi, libxslt, docbook_xsl }:
+
+stdenv.mkDerivation rec {
+  name = "gvfs-1.14.2";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/gvfs/1.14/${name}.tar.xz";
+    sha256 = "1g4ghyf45jg2ajdkv2d972hbckyjh3d9jdrppai85pl9pk2dmfy3";
+  };
+
+  buildInputs =
+    [ glib dbus_libs udev samba libarchive fuse libgphoto2 libcdio libxml2 gconf
+      libgnome_keyring libsoup avahi libtool libxslt docbook_xsl
+    ];
+
+  nativeBuildInputs = [ pkgconfig intltool ];
+
+  enableParallelBuilding = true;
+}

pkgs/desktops/gnome-3/default.nix

@@ -21,6 +21,8 @@ rec {
 
   gsettings_desktop_schemas = lib.lowPrio (callPackage ./core/gsettings-desktop-schemas { });
 
+  gvfs = callPackage ./core/gvfs { };
+
   vte = callPackage ./core/vte { };
 
   zenity = callPackage ./core/zenity { };