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/games/openra/common.nix

@@ -0,0 +1,84 @@
+/*  The reusable code, and package attributes, between OpenRA engine packages (engine.nix)
+    and out-of-tree mod packages (mod.nix).
+*/
+{ lib, makeSetupHook, curl, unzip, dos2unix, pkg-config, makeWrapper
+, lua, mono, dotnetPackages, python2
+, libGL, freetype, openal, SDL2
+, zenity
+}:
+
+with lib;
+
+let
+  path = makeBinPath ([ mono python2 ] ++ optional (zenity != null) zenity);
+  rpath = makeLibraryPath [ lua freetype openal SDL2 ];
+  mkdirp = makeSetupHook { } ./mkdirp.sh;
+
+in {
+  patchEngine = dir: version: ''
+    sed -i \
+      -e 's/^VERSION.*/VERSION = ${version}/g' \
+      -e '/fetch-geoip-db/d' \
+      -e '/GeoLite2-Country.mmdb.gz/d' \
+      ${dir}/Makefile
+
+    sed -i 's|locations=.*|locations=${lua}/lib|' ${dir}/thirdparty/configure-native-deps.sh
+  '';
+
+  wrapLaunchGame = openraSuffix: ''
+    # Setting TERM=xterm fixes an issue with terminfo in mono: System.Exception: Magic number is wrong: 542
+    # https://github.com/mono/mono/issues/6752#issuecomment-365212655
+    wrapProgram $out/lib/openra${openraSuffix}/launch-game.sh \
+      --prefix PATH : "${path}" \
+      --prefix LD_LIBRARY_PATH : "${rpath}" \
+      --set TERM xterm
+
+    makeWrapper $out/lib/openra${openraSuffix}/launch-game.sh $(mkdirp $out/bin)/openra${openraSuffix} \
+      --chdir "$out/lib/openra${openraSuffix}"
+  '';
+
+  packageAttrs = {
+    buildInputs = with dotnetPackages; [
+      FuzzyLogicLibrary
+      MaxMindDb
+      MaxMindGeoIP2
+      MonoNat
+      NewtonsoftJson
+      NUnit3
+      NUnitConsole
+      OpenNAT
+      RestSharp
+      SharpFont
+      SharpZipLib
+      SmartIrc4net
+      StyleCopMSBuild
+      StyleCopPlusMSBuild
+    ] ++ [
+      libGL
+    ];
+
+    # TODO: Test if this is correct.
+    nativeBuildInputs = [
+      curl
+      unzip
+      dos2unix
+      pkg-config
+      makeWrapper
+      mkdirp
+      mono
+      python2
+    ];
+
+    makeFlags = [ "prefix=$(out)" ];
+
+    doCheck = true;
+
+    dontStrip = true;
+
+    meta = {
+      maintainers = with maintainers; [ fusion809 msteen rardiol ];
+      license = licenses.gpl3;
+      platforms = platforms.linux;
+    };
+  };
+}