coverage-comment.yml

name: Code Coverage Comment

on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed

jobs:
  comment:
    if: ${{ github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' }}
    name: 'Comment Code Coverage'
    runs-on: ubuntu-latest
    steps:
      - name: 'Download artifacts'
        uses: actions/github-script@v6.4.1
        with:
          script: |
            var artifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: ${{github.event.workflow_run.id }},
            });
            var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "pr"
            })[0];
            var download = await github.rest.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/pr.zip', Buffer.from(download.data));
      - run: unzip pr.zip
      - name: 'Get PR number'
        run: |
          echo "pr_number=$(cat ./NR)" >> $GITHUB_ENV
      - name: Generate code coverage report
        uses: Nef10/lcov-reporter-action@v0.4.0
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          lcov-file: lcov.info
          pr-number: ${{ env.pr_number }}
          hide-branch-coverage: true
          output-file: comment.html
      - name: Post code coverage report
        uses: marocchino/sticky-pull-request-comment@v2.8.0
        with:
          path: comment.html
          number: ${{ env.pr_number }}