create-hotfix-branch.yml

name: Create hotfix branch

on:
  workflow_dispatch:

jobs:
  create_branch:
    runs-on: ubuntu-latest

    steps:
      - name: Generate a token
        if: ${{ github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name }}
        id: generate_token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.HYPERSWITCH_BOT_APP_ID }}
          private-key: ${{ secrets.HYPERSWITCH_BOT_APP_PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ steps.generate_token.outputs.token }}

      - name: Check if the input is valid tag
        shell: bash
        run: |
          if [[ ${{github.ref}} =~ ^refs/tags/[0-9]{4}\.[0-9]{2}\.[0-9]{2}\.[0-9]+$ ]]; then
            echo "::notice::${{github.ref}} is a CalVer tag."
          else
            echo "::error::${{github.ref}} is not a CalVer tag."
            exit 1
          fi

      - name: Create hotfix branch
        shell: bash
        run: |
          HOTFIX_BRANCH="hotfix-${GITHUB_REF#refs/tags/}"

          if git switch --create "$HOTFIX_BRANCH"; then
            git push origin "$HOTFIX_BRANCH"
            echo "::notice::Created hotfix branch: $HOTFIX_BRANCH"
          else
            echo "::error::Failed to create hotfix branch"
            exit 1
          fi