release-auto-tag.yaml

name: Release Notes Automation - product version auto tag creation

on:
  pull_request:
    types:
      - closed
    branches: ['master']

jobs:
  release_notes_auto_tag_creator:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    steps:
      - name: Create product release tag
        # https://github.com/marketplace/actions/github-script
        uses: actions/github-script@v6
        with:
          script: |
            /**
             * Automatically create tags when Release Notes PRs are merged
             */

            const pr_title = "${{ github.event.pull_request.title }}";
            const match = pr_title.match(/^(DSE|OpsCenter|Studio|Luna Streaming)[ ]+(\d+\.\d+\.\d+(\.\d+)?)[ ]+release/i);
            if (!match) {
              core.warning("Auto tagging skipped as PR title doesn't match release notes regex.")
              return
            }

            const product = match[1];
            const version = match[2];

            const product_version_tag = product.replace(' ', '').toLowerCase() + `-${version}`; 

            await github.rest.git.createRef({
              owner: context.repo.owner,
              repo: context.repo.repo,
              ref: `refs/tags/${product_version_tag}`,
              sha: context.sha,
            });

            core.notice(`Tag "${product_version_tag}" created successfully.`);