create-release-branch.yml

name: Create Release Branch

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Webiny version (e.g. 6.3.0)"
        required: true
        type: string

jobs:
  create:
    name: Create release branch and generate initial changelog
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout master
        uses: actions/checkout@v4
        with:
          ref: master
          fetch-depth: 0

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"

      - name: Enable Corepack (Yarn Berry)
        run: corepack enable

      - name: Install dependencies
        run: yarn install --immutable

      - name: Generate branch name
        run: echo "BRANCH=release/${{ inputs.version }}-$(cat /dev/urandom | tr -dc 'a-z0-9' | head -c 5)" >> $GITHUB_ENV

      - name: Generate changelog
        env:
          CLAUDE_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
        run: yarn generate:changelog --version ${{ inputs.version }}

      - name: Generate upgrade guide
        run: yarn generate:upgrade-guide --version ${{ inputs.version }}

      - name: Generate announcements
        env:
          CLAUDE_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
        run: yarn generate:announcements --version ${{ inputs.version }}

      - name: Create branch, commit, and push
        run: |
          git config user.name "webiny-bot"
          git config user.email "webiny-bot@webiny.com"
          git checkout -b "${{ env.BRANCH }}"
          git add .
          git commit -m "chore: generate changelog for ${{ inputs.version }}"
          git push origin "${{ env.BRANCH }}"

      - name: Open pull request
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh pr create \
            --title "Release ${{ inputs.version }}" \
            --base master \
            --head "${{ env.BRANCH }}" \
            --body "Release branch for Webiny ${{ inputs.version }}. Triggered by the [Full Release](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}) workflow."