Run codeclimate only on files that differs from another branch

canalize.sh

function changed_files {
  local BASE_BRANCH=$*
  git diff --name-only ${BASE_BRANCH:="origin/staging"} | grep -v Gemfile | grep -v .codeclimate | grep -v db/schema.rb | tr "\n" " "
}

function canalyze {
    codeclimate analyze $(changed_files) $*
}