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/cataclysm-dda/wrapper.nix

@@ -0,0 +1,47 @@
+{ lib, symlinkJoin, makeWrapper }:
+
+unwrapped:
+
+pkgsSpec:
+
+let
+  mods = if lib.isFunction pkgsSpec
+         then pkgsSpec unwrapped.pkgs
+         else pkgsSpec;
+in
+
+if builtins.length mods == 0
+then unwrapped
+else symlinkJoin {
+  name = unwrapped.name + "-with-mods";
+
+  paths = [ unwrapped ] ++ mods;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  postBuild = ''
+    if [ -x $out/bin/cataclysm ]; then
+        wrapProgram $out/bin/cataclysm \
+            --add-flags "--datadir $out/share/cataclysm-dda/"
+    fi
+    if [ -x $out/bin/cataclysm-tiles ]; then
+        wrapProgram $out/bin/cataclysm-tiles \
+            --add-flags "--datadir $out/share/cataclysm-dda/"
+    fi
+
+    # Launch the wrapped program
+    replaceProgram() {
+        cp "$1" "''${1}.bk"
+        unlink "$1"
+        mv "''${1}.bk" "$1"
+        sed -i "$1" -e "s,/nix/store/.\+\(/bin/cataclysm-tiles\),$out\1,"
+    }
+    for script in "$out/share/applications/cataclysm-dda.desktop" \
+                  "$out/Applications/Cataclysm.app/Contents/MacOS/Cataclysm.sh"
+    do
+        if [ -e "$script" ]; then
+            replaceProgram "$script"
+        fi
+    done
+  '';
+}