gnome3.gnome-screenshot: clean up

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

@@ -1,20 +1,18 @@
 { stdenv, gettext, libxml2, fetchurl, pkgconfig, libcanberra-gtk3
-, bash, gtk3, glib, meson, ninja, wrapGAppsHook, appstream-glib
+, gtk3, glib, meson, ninja, wrapGAppsHook, appstream-glib, desktop-file-utils
-, gnome3, librsvg, gdk_pixbuf }:
+, gnome3 }:
 
-stdenv.mkDerivation rec {
+let
-  name = "gnome-screenshot-${version}";
+  pname = "gnome-screenshot";
   version = "3.26.0";
+in stdenv.mkDerivation rec {
+  name = "${pname}-${version}";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/gnome-screenshot/${gnome3.versionBranch version}/${name}.tar.xz";
+    url = "mirror://gnome/sources/${pname}/${gnome3.versionBranch version}/${name}.tar.xz";
     sha256 = "1bbc11595d3822f4b92319cdf9ba49dd00f5471b6046c590847dc424a874c8bb";
   };
 
-  passthru = {
-    updateScript = gnome3.updateScript { packageName = "gnome-screenshot"; attrPath = "gnome3.gnome-screenshot"; };
-  };
-
   doCheck = true;
 
   postPatch = ''
@@ -22,17 +20,19 @@ stdenv.mkDerivation rec {
     patchShebangs build-aux/postinstall.py
   '';
 
-  propagatedUserEnvPkgs = [ gnome3.gnome-themes-standard ];
+  nativeBuildInputs = [ meson ninja pkgconfig gettext appstream-glib libxml2 desktop-file-utils wrapGAppsHook ];
-  propagatedBuildInputs = [ gdk_pixbuf gnome3.defaultIconTheme librsvg ];
+  buildInputs = [
-
+    gtk3 glib libcanberra-gtk3 gnome3.defaultIconTheme
-  nativeBuildInputs = [ meson ninja pkgconfig gettext appstream-glib libxml2 wrapGAppsHook ];
+    gnome3.gsettings-desktop-schemas
-  buildInputs = [ bash gtk3 glib libcanberra-gtk3
-                  gnome3.gsettings-desktop-schemas ];
-
-  patches = [
-    ./prevent-cache-updates.patch
   ];
 
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = "${pname}";
+      attrPath = "gnome3.${pname}";
+    };
+  };
+
   meta = with stdenv.lib; {
     homepage = https://en.wikipedia.org/wiki/GNOME_Screenshot;
     description = "Utility used in the GNOME desktop environment for taking screenshots";

pkgs/desktops/gnome-3/core/gnome-screenshot/prevent-cache-updates.patch

@@ -1,21 +0,0 @@
---- a/build-aux/postinstall.py
-+++ b/build-aux/postinstall.py
-@@ -8,18 +8,6 @@
- 
- # Packaging tools define DESTDIR and this isn't needed for them
- if 'DESTDIR' not in os.environ:
--    print('Updating icon cache...')
--    icon_cache_dir = os.path.join(datadir, 'icons', 'hicolor')
--    if not os.path.exists(icon_cache_dir):
--        os.makedirs(icon_cache_dir)
--    subprocess.call(['gtk-update-icon-cache', '-qtf', icon_cache_dir])
--
--    print('Updating desktop database...')
--    desktop_database_dir = os.path.join(datadir, 'applications')
--    if not os.path.exists(desktop_database_dir):
--        os.makedirs(desktop_database_dir)
--    subprocess.call(['update-desktop-database', '-q', desktop_database_dir])
--
-     print('Compiling GSettings schemas...')
-     schemas_dir = os.path.join(datadir, 'glib-2.0', 'schemas')
-     if not os.path.exists(schemas_dir):