comment-pr.yml

name: Comment on the pull request

# read-write repo token
# access to secrets
on:
  workflow_run:
    workflows: ["PR Maintenance"]
    types:
      - completed

jobs:
  comment-stats:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request'
    permissions:
      pull-requests: write
    steps:
      - name: "Download artifact"
        uses: actions/github-script@v3.1.0
        with:
          script: |
            var artifacts = await github.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: ${{github.event.workflow_run.id }},
            });
            var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "pr"
            })[0];
            var download = await github.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/pr.zip', Buffer.from(download.data));
      - run: unzip pr.zip
      - name: Find PR
        id: find-pr
        uses: actions/github-script@v3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          result-encoding: string
          script: |
            var fs = require('fs');
            var issue_number = Number(fs.readFileSync('./NR'));
            return issue_number

      - name: Find Comment
        uses: peter-evans/find-comment@v2
        id: fc
        continue-on-error: true
        with:
          issue-number: ${{ steps.find-pr.outputs.result }}
          comment-author: "github-actions[bot]"
          body-includes: <!-- CI Comment -->

      - name: Create or update comment
        uses: peter-evans/create-or-update-comment@v2
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ steps.find-pr.outputs.result }}
          body-file: comment.md
          edit-mode: replace