gh-pages-deploy.sh

function gh-pages-deploy () {
  directory=_site
  current_branch=$(git rev-parse --abbrev-ref HEAD)
  deploy_branch=gh-pages
  build_command() {
    bundle exec jekyll build
  }

  if [[ "$current_branch" != "main" ]]; then
    echo "\033[0;32mAborting - switch to 'main' branch\033[0m";
  else
    echo -e "\033[0;32mDeleting old content...\033[0m"
    rm -rf $directory

    echo -e "\033[0;32mChecking out $deploy_branch....\033[0m"
    git worktree add $directory $deploy_branch

    echo -e "\033[0;32mGenerating site...\033[0m"
    build_command

    echo -e "\033[0;32mDeploying $deploy_branch branch...\033[0m"
    cd $directory &&
      git add --all &&
      git commit -m "Deploy updates" &&
      git push origin $deploy_branch

    echo -e "\033[0;32mCleaning up...\033[0m"
    cd ..
    git worktree remove $directory

  fi
}