ci-pr-comments.yml

name: Check Depgraph

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

permissions:
  # Needed in order to leave comments on pull requests.
  pull-requests: "write"

env:
  CARGO_TERM_COLOR: always

jobs:
  check-depgraph:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'failure'
    steps:
      - name: Checkout Actions Repository
        uses: actions/checkout@v3

      - name: Download artifact
        id: find-artifact
        uses: actions/github-script@v6
        with:
          result-encoding: string
          script: |
            var artifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: ${{ github.event.workflow_run.id }},
            });
            var matchArtifacts = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "bad-depgraph"
            });
            if (matchArtifacts.length == 0) { return "false" }
            var matchArtifact = matchArtifacts[0];
            var download = await github.rest.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/bad-depgraph.zip', Buffer.from(download.data));
            return "true"

      - name: Extract artifact
        id: extract_artifact
        if: ${{ steps.find-artifact.outputs.result == 'true' }}
        run: |
          unzip bad-depgraph.zip
          echo "event_number=$(cat event-number)" >> "$GITHUB_OUTPUT"

      - name: Create pull request comment
        uses: marocchino/sticky-pull-request-comment@v2
        if: ${{ steps.find-artifact.outputs.result == 'true' }}
        with:
          recreate: true
          header: depgraph
          path: pr-comment.txt
          number: ${{ steps.extract_artifact.outputs.event_number }}