release-branch.yaml

name: Create Release Branch and PR

on:
  workflow_dispatch:
    inputs:
      release_type:
        description: 'Release type (minor, patch, major)'
        required: false
        default: 'minor'

permissions:
  contents: write
  pull-requests: write

jobs:
  create_release_branch:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
        with:
          fetch-depth: 0

      - name: Install Task
        run: |
          sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b /usr/local/bin

      - name: Get last commit author
        id: last_author
        run: |
          AUTHOR=$(git log -1 --pretty=format:'%ae')
          echo "author_email=$AUTHOR" >> $GITHUB_OUTPUT

      - name: Create release branch
        run: |
          BRANCH="release-$(date +%Y%m%d%H%M%S)"
          git checkout -b "$BRANCH"
          echo "RELEASE_BRANCH=$BRANCH" >> $GITHUB_ENV

      - name: Run release task and commit changes
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          task release:${{ github.event.inputs.release_type }}
          git push origin "$RELEASE_BRANCH"

      - name: Find GitHub username by email
        id: find_user
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9
        with:
          script: |
            const email = process.env['AUTHOR_EMAIL'] || '${{ steps.last_author.outputs.author_email }}';
            const { data: users } = await github.rest.search.users({ q: `${email} in:email` });
            if (users.items.length > 0) {
              core.setOutput('username', users.items[0].login);
            } else {
              core.setOutput('username', '');
            }

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ env.RELEASE_BRANCH }}
          title: "Release: ${{ github.event.inputs.release_type }}"
          body: "Automated release PR for ${{ github.event.inputs.release_type }}"
          assignees: ${{ steps.find_user.outputs.username }}