comment.yml

name: Comment on PR

on:
  workflow_run:
    workflows: ["SHASUM summary"]
    types:
      - completed

jobs:
  comment:
    permissions:
      pull-requests: write
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'
    steps:
      - name: download artifact
        uses: actions/download-artifact@v4
        with:
          name: shasum-comment
          github-token: ${{ secrets.GITHUB_TOKEN }}
          repository: ${{ github.repository }}
          run-id: ${{ github.event.workflow_run.id }}
      - name: comment
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const fs = require('fs');
            let issue_number = Number(fs.readFileSync('./issue-number', 'utf8').trim());
            let comment = fs.readFileSync('./comment', 'utf8').trim();

            if (comment.length > 0) {
              github.rest.issues.createComment({
                issue_number: issue_number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: "${{ github.event.pull_request.head.sha }}\n\n" + comment
              });
            }