Squashed 'tools/' changes from fb5985b..c7d833c

c7d833c Allow vendor dirs in sub directories.

git-subtree-dir: tools
git-subtree-split: c7d833c2b1

lint

@@ -148,7 +148,7 @@ function lint_files {
 
 function list_files {
 	if [ $# -gt 0 ]; then
-		find "$@" -type f | grep -vE '^\./(\.git|vendor)/'
+		find "$@" -type f | grep -vE '(^\./\.git|^\./\.pkg|/vendor/)'
 	else
 		git diff --cached --name-only
 	fi