#/usr/bin/env bash
# MIT © Sindre Sorhus - sindresorhus.com
# via https://gist.github.com/sindresorhus/7996717 
 
changed_files="$(git diff-tree -r --name-only --no-commit-id ORIG_HEAD HEAD)"
 
check_run() {
	echo "$changed_files" | grep --quiet "$1" && eval "$2"
}
 
check_run package.json "npm install"