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/networking/mailreaders/mailnag/default.nix

@@ -0,0 +1,107 @@
+{ lib
+, fetchFromGitHub
+, gettext
+, xorg # for lndir
+, gtk3
+, python3Packages
+, gdk-pixbuf
+, libnotify
+, gst_all_1
+, libsecret
+, wrapGAppsHook
+, gsettings-desktop-schemas
+, glib
+, gobject-introspection
+# Available plugins (can be overriden)
+, availablePlugins
+# Used in the withPlugins interface at passthru, can be overrided directly, or
+# prefarably via e.g: `mailnag.withPlugins([mailnag.availablePlugins.goa])`
+, mailnag
+, userPlugins ? [ ]
+, pluginsDeps ? [ ]
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "mailnag";
+  version = "2.2.0";
+
+  src = fetchFromGitHub {
+    owner = "pulb";
+    repo = "mailnag";
+    rev = "v${version}";
+    sha256 = "0m1cyzwzm7z4p2v31dx098a1iar7dbilwyjcxiqnjx05nlmiqvgf";
+  };
+
+  buildInputs = [
+    gtk3
+    gdk-pixbuf
+    glib
+    libnotify
+    gst_all_1.gstreamer
+    gst_all_1.gst-plugins-base
+    gst_all_1.gst-plugins-good
+    gst_all_1.gst-plugins-bad
+    gobject-introspection
+    libsecret
+  ] ++ pluginsDeps;
+
+  nativeBuildInputs = [
+    gettext
+    wrapGAppsHook
+    # To later add plugins to
+    xorg.lndir
+  ];
+
+  propagatedBuildInputs = with python3Packages; [
+    gsettings-desktop-schemas
+    pygobject3
+    dbus-python
+    pyxdg
+  ];
+
+  passthru = {
+    inherit availablePlugins;
+    withPlugins =
+      plugs:
+      let
+        # goa plugin requires gio's gnome-online-accounts which requires making sure
+        # mailnag runs with GI_TYPELIB_PATH containing the path to Goa-1.0.typelib.
+        # This is handled best by adding the plugins' deps to buildInputs and let
+        # wrapGAppsHook handle that.
+        pluginsDeps = lib.flatten (lib.catAttrs "buildInputs" plugs);
+        self = mailnag;
+      in
+        self.override {
+          userPlugins = plugs;
+          inherit pluginsDeps;
+        };
+  };
+
+  # See https://nixos.org/nixpkgs/manual/#ssec-gnome-common-issues-double-wrapped
+  dontWrapGApps = true;
+
+  preFixup = ''
+    substituteInPlace $out/${python3Packages.python.sitePackages}/Mailnag/common/dist_cfg.py \
+      --replace "/usr/" $out/
+    for desktop_file in $out/share/applications/*.desktop; do
+      substituteInPlace "$desktop_file" \
+      --replace "/usr/bin" $out/bin
+    done
+    makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
+  '';
+
+  # Actually install plugins
+  postInstall = ''
+    for plug in ${builtins.toString userPlugins}; do
+      lndir $plug/${python3Packages.python.sitePackages} $out/${python3Packages.python.sitePackages}
+    done
+  '';
+
+  meta = with lib; {
+    description = "An extensible mail notification daemon";
+    homepage = "https://github.com/pulb/mailnag";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ doronbehar ];
+  };
+}