Merge branch 'master' into staging-next

Quite many rebuilds from master:
> Estimating rebuild amount by counting changed Hydra jobs.
>    3926 x86_64-darwin
>    4645 x86_64-linux

pkgs/applications/version-management/git-and-tools/git-annex-metadata-gui/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, buildPythonApplication, fetchFromGitHub, pyqt5, git-annex-adapter }:
+{ stdenv, buildPythonApplication, fetchFromGitHub, pyqt5, qt5, git-annex-adapter }:
 
 buildPythonApplication rec {
   pname = "git-annex-metadata-gui";
@@ -15,6 +15,12 @@ buildPythonApplication rec {
     substituteInPlace setup.py --replace "'PyQt5', " ""
   '';
 
+  nativeBuildInputs = [ qt5.wrapQtAppsHook ];
+
+  preFixup = ''
+    makeWrapperArgs+=("''${qtWrapperArgs[@]}")
+  '';
+
   propagatedBuildInputs = [ pyqt5 git-annex-adapter ];
 
   meta = with stdenv.lib; {