#!/usr/bin/env bash
set -euo pipefail

main() {
  cd "$(dirname "$0")/../.."
  # Only sourcing this so we get access to $VERSION
  source ./ci/lib.sh

  # NOTE: we need to make sure cdrci/homebrew-core
  # is up-to-date
  # otherwise, brew bump-formula-pr will use an
  # outdated base
  echo "Cloning cdrci/homebrew-core"
  git clone https://github.com/cdrci/homebrew-core.git

  echo "Changing into homebrew-core directory"
  cd homebrew-core && pwd

  echo "Adding Homebrew/homebrew-core as $(upstream)"
  git remote add upstream https://github.com/Homebrew/homebrew-core.git

  echo "Fetching upstream commits..."
  git fetch upstream

  echo "Merging in latest changes"
  git merge upstream/master

  echo "Pushing changes to cdrci/homebrew-core fork on GitHub"
  git push origin master

  # Find the docs for bump-formula-pr here
  # https://github.com/Homebrew/brew/blob/master/Library/Homebrew/dev-cmd/bump-formula-pr.rb#L18
  brew bump-formula-pr --force --version="${VERSION}" code-server --no-browse --no-audit

  # Clean up and remove homebrew-core
  cd ..
  rm -rf homebrew-core
}

main "$@"