auto-release.yml

name: "Auto release"
on:
  pull_request:
    types:
      - closed
    branches:
      - main

# This workflow triggers a release when merging a branch with the pattern `prepare-release/VERSION` into main.
jobs:
  release:
    runs-on: ubuntu-latest
    name: 'Prepare a new version'
    if: startsWith(github.head_ref, 'prepare-release/')
    steps:
      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.GH_RELEASE_PAT }}
          fetch-depth: 0

      # https://github.com/actions-ecosystem/action-regex-match
      - uses: actions-ecosystem/action-regex-match@v2
        id: version-regex
        with:
          # Parse version from head branch
          text: ${{ github.head_ref }}
          # match: preprare-release/xx.xx.xx
          regex: '^prepare-release\/(\d+\.\d+\.\d+)(?:-(alpha|beta|rc)\.\d+)?$'

      - name: Extract version
        id: get_version
        run: |
          version=${{ steps.version-regex.outputs.match }}
          version=${version/'prepare-release/'/''}
          echo "version=$version" >> $GITHUB_OUTPUT

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9

      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version-file: 'package.json'
          cache: pnpm

      - name: Install dependencies
        run: pnpm install

      - name: Prepare release
        uses: getsentry/action-prepare-release@lms/write-config-branch
        if: github.event.pull_request.merged == true && steps.version-regex.outputs.match != '' && steps.get_version.outputs.version != ''
        env:
          GITHUB_TOKEN: ${{ secrets.GH_RELEASE_PAT }}
        with:
          version: ${{ steps.get_version.outputs.version }}
          force: false
          merge_target: main
          craft_config_from_merge_target: true