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/devdocs-desktop/default.nix

@@ -0,0 +1,39 @@
+{ lib, appimageTools, fetchurl }:
+
+let
+  version = "0.7.2";
+  pname = "devdocs-desktop";
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/egoist/devdocs-desktop/releases/download/v${version}/DevDocs-${version}.AppImage";
+    sha256 = "sha256-4ugpzh0Dweae6tKb6uqRhEW9HT+iVIo8MQRbVKTdRFw=";
+  };
+
+  appimageContents = appimageTools.extractType2 {
+    inherit name src;
+  };
+
+in appimageTools.wrapType2 rec {
+  inherit name src;
+
+  extraInstallCommands = ''
+    mv $out/bin/${name} $out/bin/${pname}
+    install -m 444 -D ${appimageContents}/devdocs.desktop $out/share/applications/devdocs.desktop
+    install -m 444 -D ${appimageContents}/devdocs.png $out/share/icons/hicolor/0x0/apps/devdocs.png
+    substituteInPlace $out/share/applications/devdocs.desktop \
+      --replace 'Exec=AppRun' 'Exec=${pname}'
+  '';
+
+  meta = with lib; {
+    description = "A full-featured desktop app for DevDocs.io";
+    longDescription = ''
+      DevDocs.io combines multiple API documentations in a fast, organized, and searchable interface. This is an unofficial desktop app for it.
+    '';
+    homepage = "https://github.com/egoist/devdocs-desktop";
+    downloadPage = "https://github.com/egoist/devdocs-desktop/releases";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ymarkus ];
+    platforms = [ "x86_64-linux" ];
+  };
+}