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/bundler-update-script/default.nix

@@ -0,0 +1,25 @@
+{ runtimeShell, lib, writeScript, bundix, bundler, bundler-audit, coreutils, git, nix }:
+
+attrPath:
+
+let
+  updateScript = writeScript "bundler-update-script" ''
+    #!${runtimeShell}
+    PATH=${lib.makeBinPath [ bundler bundler-audit bundix coreutils git nix ]}
+    set -o errexit
+    set -o nounset
+    set -o pipefail
+
+    attrPath=$1
+
+    toplevel=$(git rev-parse --show-toplevel)
+    position=$(nix eval -f "$toplevel" --raw "$attrPath.meta.position")
+    gemdir=$(dirname "$position")
+
+    cd "$gemdir"
+
+    bundler lock --update
+    bundler-audit check --update
+    bundix
+  '';
+in [ updateScript attrPath ]