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/development/ruby-modules/bundix/default.nix

@@ -0,0 +1,43 @@
+{ buildRubyGem, fetchFromGitHub, makeWrapper, lib, bundler, nix,
+  nix-prefetch-git }:
+
+buildRubyGem rec {
+  inherit (bundler) ruby;
+
+  name = "${gemName}-${version}";
+  gemName = "bundix";
+  version = "2.5.1";
+
+  src = fetchFromGitHub {
+    owner = "nix-community";
+    repo = "bundix";
+    rev = version;
+    sha256 = "sha256-iMp6Yj7TSWDqge3Lw855/igOWdTIuFH1LGeIN/cpq7U=";
+  };
+
+  buildInputs = [ ruby bundler ];
+  nativeBuildInputs = [ makeWrapper ];
+
+  preFixup = ''
+    wrapProgram $out/bin/bundix \
+                --prefix PATH : "${nix.out}/bin" \
+                --prefix PATH : "${nix-prefetch-git.out}/bin" \
+                --prefix PATH : "${bundler.out}/bin" \
+                --set GEM_HOME "${bundler}/${bundler.ruby.gemPath}" \
+                --set GEM_PATH "${bundler}/${bundler.ruby.gemPath}"
+  '';
+
+  meta = {
+    description = "Creates Nix packages from Gemfiles";
+    longDescription = ''
+      This is a tool that converts Gemfile.lock files to nix expressions.
+
+      The output is then usable by the bundlerEnv derivation to list all the
+      dependencies of a ruby package.
+    '';
+    homepage = "https://github.com/manveru/bundix";
+    license = "MIT";
+    maintainers = with lib.maintainers; [ manveru marsam zimbatm ];
+    platforms = lib.platforms.all;
+  };
+}