gnome3.dconf: add updateScript

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

@@ -2,14 +2,14 @@
 , libxml2, intltool, docbook_xsl_ns, docbook_xsl, makeWrapper }:
 
 let
-  majorVersion = "0.26";
+  pname = "dconf";
 in
 stdenv.mkDerivation rec {
-  name = "dconf-${version}";
-  version = "${majorVersion}.1";
+  name = "${pname}-${version}";
+  version = "0.26.1";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/dconf/${majorVersion}/${name}.tar.xz";
+    url = "mirror://gnome/sources/${pname}/${gnome3.versionBranch version}/${name}.tar.xz";
     sha256 = "0da587hpiqy8h3pswn1102h4b905x8k6mk3ajpi7kf4kzkvv30ym";
   };
 
@@ -23,7 +23,16 @@ stdenv.mkDerivation rec {
       --replace "-soname=libdconf.so.1" "-install_name,libdconf.so.1"
   '';
 
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+      attrPath = "gnome3.${pname}";
+    };
+  };
+
   meta = with stdenv.lib; {
+    homepage = https://wiki.gnome.org/Projects/dconf;
+    license = licenses.lgpl21Plus;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = gnome3.maintainers;
   };