canary-release.yml

name: Canary Release
on:
  pull_request:

concurrency:
  group: ${{ github.workflow }}
  cancel-in-progress: false

jobs:
  publish-canary:
    if: startsWith(github.head_ref, 'topic-')
    runs-on: ubuntu-latest
    steps:
      - name: Get branch name
        shell: bash
        run: echo "name=$(echo $GITHUB_HEAD_REF | sed 's/refs\/heads\///' | tr '/' '-')" >> $GITHUB_OUTPUT
        id: branch_name

      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: 1
          ref: ${{ github.event.pull_request.head.sha }}

      - uses: actions/setup-node@v3
        with:
          node-version: '18'
          cache: 'yarn'

      - name: Install dependencies
        run: |
          yarn install --frozen-lockfile
          yarn lerna link

      - name: Publish
        id: publish
        run: |
          echo ".npmrc" >> .git/info/exclude
          echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" > .npmrc
          mkdir ${{ runner.temp }}/${{ steps.branch_name.outputs.name }}
          yarn lerna publish prerelease --canary --no-private --no-verify-access --yes --exact --dist-tag=${{ steps.branch_name.outputs.name }} --preid=${{ steps.branch_name.outputs.name }} --summary-file=${{ runner.temp }}/${{ steps.branch_name.outputs.name }}
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

      - uses: actions/github-script@v6
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            const fs = require('fs');
            const summary = JSON.parse(fs.readFileSync('${{ runner.temp }}/${{ steps.branch_name.outputs.name }}/lerna-publish-summary.json', 'utf8'));
            const packages = summary.map(pkg => `**${pkg.packageName}@${pkg.version}**\n\`\`\`bash\nyarn add ${pkg.packageName}@${{ steps.branch_name.outputs.name }}\n\`\`\``).join('\n');
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `🎉 Canary Release!\n\n${packages}`
            })