pull-request-completed.yml

# Split into another workflow to make it work with PRs from forked repos
# https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
# Tried using just bundle size reusable workflow file/name, but doesn't work
name: Pull request completed

on:
  workflow_run:
    #👇 Keep in sync with pull request workflow
    workflows: [Pull request]
    types:
      - completed

permissions:
  # 👇 Needed for PR bundle size comment only
  pull-requests: write

env:
  #👇 Keep in sync with bundle size workflow
  BUNDLE_SIZE_ARTIFACT_NAME_SUFFIX: -bundle-size
  #👇 Keep in sync with bundle size workflow
  BUNDLE_SIZE_COMMENT_ID_PREFIX: bundle-size-comment-

jobs:
  load-config:
    name: Load CI/CD configuration
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      example-apps-version-aliases: ${{ steps.load-config.outputs.example-apps-version-aliases }}
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
      - name: Load CI/CD configuration
        id: load-config
        uses: ./.github/actions/config

  bundle-size-pr-comment:
    name: Bundle size - PR comment - Angular ${{ matrix.cli-version-alias }}
    needs: load-config
    if: github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    timeout-minutes: 5
    strategy:
      matrix:
        cli-version-alias: ${{ fromJSON(needs.load-config.outputs.example-apps-version-aliases) }}
    steps:
      - name: Download bundle size analysis results
        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
        with:
          name: ngx-meta${{ env.BUNDLE_SIZE_ARTIFACT_NAME_SUFFIX }}-${{ matrix.cli-version-alias }}
          #👇 Need to specify it, otherwise, `run-id` argument won't be taken into account
          # https://github.com/actions/download-artifact/tree/v4.1.4#:~:text=current%20workflow%20run.-,github%2Dtoken%3A,-%23%20The%20repository
          github-token: ${{ secrets.GITHUB_TOKEN }}
          run-id: ${{ github.event.workflow_run.id }}
      # I wish there was something better than this 🙃
      # https://github.com/orgs/community/discussions/25220
      - name: Find associated pull request
        id: pr
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7
        with:
          retries: 3
          #👇 Default except 403, which is the rate limit sometimes raised
          # https://github.com/davidlj95/ngx/actions/runs/8362399318/job/22892884496
          # https://github.com/octokit/plugin-retry.js/blob/v7.0.3/src/index.ts#L14
          retry-exempt-status-codes: 400,401,404,422,451
          script: |
            const response = await github.rest.search.issuesAndPullRequests({
              q: 'repo:${{ github.repository }} is:pr sha:${{ github.event.workflow_run.head_sha }}',
              per_page: 1,
            })
            const items = response.data.items
            if (items.length < 1) {
              console.error('No PRs found')
              return
            }
            const pullRequestNumber = items[0].number
            console.info("Pull request number is", pullRequestNumber)
            return pullRequestNumber
      - name: Find bundle size PR comment
        uses: peter-evans/find-comment@3eae4d37986fb5a8592848f6a574fdf654e61f9e # v3
        if: steps.pr.outputs.result != ''
        id: fc
        with:
          issue-number: ${{ steps.pr.outputs.result }}
          comment-author: github-actions[bot]
          body-includes: ${{ env.BUNDLE_SIZE_COMMENT_ID_PREFIX }}${{ matrix.cli-version-alias }}
      - name: Update bundle size PR comment
        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4
        if: steps.pr.outputs.result != ''
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ steps.pr.outputs.result }}
          body-path: bundle-size-pr-comment.md
          edit-mode: replace