uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/applications/misc/metamorphose2/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchFromGitHub, makeWrapper, gettext
+, python3
+}:
+
+stdenv.mkDerivation {
+  pname = "metamorphose2";
+  version = "0.10.0beta";
+
+  # exif-py vendored via submodule
+  src = fetchFromGitHub {
+    owner = "timinaust";
+    repo = "metamorphose2";
+    rev = "ba0666dd02e4f3f58c1dadc309e7ec1cc13fe851";
+    sha256 = "0w9l1vyyswdhdwrmi71g23qyslvhg1xym4ksifd42vwf9dxy55qp";
+    fetchSubmodules = true;
+  };
+
+  postPatch = ''
+    rm -rf ./src/mutagen
+    substituteInPlace messages/Makefile \
+      --replace "\$(shell which msgfmt)" "${gettext}/bin/msgfmt"
+  '';
+
+  postInstall = ''
+    rm $out/bin/metamorphose2
+    makeWrapper ${python3.interpreter} $out/bin/metamorphose2 \
+      --prefix PYTHONPATH : $PYTHONPATH:$(toPythonPath "$out") \
+      --add-flags "-O $out/share/metamorphose2/metamorphose2.py -w=3"
+  '';
+
+  buildInput = [ gettext python3 ];
+  nativeBuildInputs = [ makeWrapper ];
+  propagatedBuildInputs = with python3.pkgs; [ mutagen wxPython_4_1 pillow six ];
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    description = "a graphical mass renaming program for files and folders";
+    homepage    = "https://github.com/timinaust/metamorphose2";
+    license     = with licenses; gpl3Plus;
+    maintainers = with maintainers; [ ramkromberg ];
+    platforms   = with platforms; linux;
+  };
+}