hotfix-release.yml

name: Start Hotfix Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to hotfix'
        required: true
        type: number

env:
  RELEASE_BRANCH: 'release/v${{ inputs.version }}.x'

permissions:
  contents: write

concurrency:
  # Only run one instance of this workflow at a time
  group: ${{ github.workflow }}

jobs:
  check-inputs:
    name: Check Inputs
    runs-on: ubuntu-latest
    steps:
      - name: Check release branch exists
        # Check inputs with a GitHub API request rather than checking out repo
        # first and using git show-ref --verify, because this is much faster.
        run: |
          curl --location \
            --head \
            --silent \
            -w "%{http_code}" \
            -H "Authorization: token ${{ github.token }}" \
            "https://api.github.com/repos/${{ github.repository }}/branches/${{ env.RELEASE_BRANCH }}" \
          | grep -q "^200$" || exit 1

  rc-pr:
    name: Create Release Candidate PR
    runs-on: ubuntu-latest
    needs: check-inputs

    steps:
      - name: Create GitHub App Token
        uses: actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ vars.RELEASE_BOT_APP_ID }}
          private-key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ env.RELEASE_BRANCH }}
          token: ${{ steps.app-token.outputs.token }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Parse version
        id: version
        uses: ./.github/parse-version

      - name: Get RC Branch
        id: branches
        run: |
          echo "rc=rc/v${{ steps.version.outputs.releaseShort }}" >> $GITHUB_OUTPUT

      - name: Create branches
        run: |
          git config --global user.name 'awana-release-bot[bot]'
          git config --global user.email '${{ vars.RELEASE_BOT_USER_ID }}+awana-release-bot[bot]@users.noreply.github.com'
          git checkout -b ${{ steps.branches.outputs.rc }}

      - name: Set target release version in package.json
        run: |
          npm version ${{ steps.version.outputs.releaseVersion }} --no-git-tag-version
          git commit -am "chore: prepare for release v${{ steps.version.outputs.releaseShort }}"

      - name: Push changes
        run: |
          git push origin ${{ steps.branches.outputs.rc }}
        env:
          GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}

      - name: Create Pull Request
        run: |
          gh pr create \
          --base ${{ env.RELEASE_BRANCH }} \
          --head ${{ steps.branches.outputs.rc }} \
          --title "$PR_TITLE" \
          --body "$PR_BODY"
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
          PR_TITLE: Hotfix Release Candidate v${{ steps.version.outputs.releaseShort }}
          PR_BODY: |
            This PR tracks QA of the release candidate for hotfix v${{ steps.version.outputs.releaseShort }}.

            :cherries: All changes to this branch should be cherry-picked from `${{ github.event.repository.default_branch  }}`.

            :warning: Only add bug fixes, copy edits and translation updates during the QA process.

            :test_tube: Create a new Release Candidate build by commenting on this PR with the `/buildrc` command.

            :construction: An initial Release Candidate build will be triggered shortly, and the build URL will be posted here.

            :rocket: Merging this PR will trigger a release build.