draft-a-release.yml

name: Draft a release

on: 
  workflow_dispatch:

jobs:
  draft-a-release:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Generate the release tag
      env: 
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        VERSION=$(curl -s https://raw.githubusercontent.com/khanh-ph/github-actions-scripts/master/gen-next-semver/gen-next-semver.sh | bash)
        echo VERSION=$VERSION >> $GITHUB_ENV
        echo BRANCH=release/$VERSION >> $GITHUB_ENV

    - name: Create the release branch
      run: |
        git checkout -b ${{ env.BRANCH }}

    - name: Push release branch
      run: git push origin ${{ env.BRANCH }}

    - name: Create a Pull Request
      uses: actions/github-script@v6
      env: 
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        script: |
          const { owner, repo } = context.repo;
          const version = process.env.VERSION;
          const title = 'Release version ' + version;
          const body = 'Created by GitHub Actions';
          const base = 'master';
          const head = process.env.BRANCH;

          github.rest.pulls.create({
            owner,
            repo,
            title,
            body,
            base,
            head
          });