#!/usr/bin/env bash

set -e

: "${PERL:=$(which perl)}"
ZILD="$PERL -S zild"

main() {
  for dir; do
    echo "Checking: $dir"
    (
      cd "$dir"
      [ -e Meta ] || exit 0
      branch_name=$(git symbolic-ref -q HEAD)
      branch_name=${branch_name##refs/heads/}
      branch_name=${branch_name:-HEAD}
      release_branch="$($ZILD meta branch)"
      if [ "$branch_name" != "$release_branch" ]; then
        note "Current branch '$branch_name' is not release branch '$release_branch'"
        exit 0
      fi
      make update &> /dev/null || make update &> /dev/null
      if [ -n "$(git status -s)" ]; then
        note "Changes exist. Please review:"
        git diff
        git status
        bash || exit 1
      fi
      exit 0
    ) || {
      echo "Bailing out!"
      exit 1
    }
  done
  echo Done!
}

note() {
  echo "  Note: $@"
}

[ "${BASH_SOURCE[0]}" == "$0" ] && main "$@"