release-canary.yml

name: release-canary

on:
  pull_request:
    types:
      - labeled

jobs:
  publish:
    if: ${{ github.event.label.name == 'build' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      # Setup .npmrc file to publish to npm
      - uses: actions/setup-node@v4
        with:
          node-version: '18.x'
          registry-url: 'https://registry.npmjs.org'
      # Extract the dynamic value from the canary label if present
      - name: Extract CANARY_TAG
        id: extract-canary
        run: |
          export LABELS_JSON='${{ toJson(github.event.pull_request.labels) }}'
          CANARY_TAG=$(node -e "
            const labels = JSON.parse(process.env.LABELS_JSON || '[]');
            const canaryLabel = labels.find(label => label.name.startsWith('canary:'));
            if (canaryLabel) console.log(canaryLabel.name.split(':')[1]);
          ")
          echo "CANARY_TAG=$CANARY_TAG" >> $GITHUB_ENV
      # Ensure that the README is published with the package
      - run: rm -f packages/cli/README.md && cp README.md packages/cli
      - run: echo "PR_VERSION=0.0.0-pr.${{github.event.pull_request.number}}.$(git rev-parse --short HEAD)" >> $GITHUB_ENV
      - run: npm ci
      - run: npm version ${{ env.PR_VERSION }} --workspace packages/cli
      # Publish to npm with the additional tag if CANARY_TAG is set
      - run: |
          npm publish --workspace packages/cli --tag experimental
          if [[ -n "$CANARY_TAG" ]]; then
            echo "Publishing with additional tag: $CANARY_TAG"
            npm dist-tag add checkly@$PR_VERSION $CANARY_TAG
          fi
        env:
          CANARY_TAG: ${{ env.CANARY_TAG }}
          PR_VERSION: ${{ env.PR_VERSION }}
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
      - uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: PR Preview Release Published
          hide_and_recreate: true
          hide_classify: "OUTDATED"
          message: |
            🎉 Experimental release successfully published [on npm](https://npmjs.com/package/checkly/v/${{env.PR_VERSION}})
            ```
            npm install checkly@${{env.PR_VERSION}}
            ```