benchmark-report.yml

# Commenting on a PR requires write access
# This script is taken from jupyterlab project.

name: Comment on the pull request

on:
  workflow_run:
    workflows: ['UI Tests']
    types:
      - completed

permissions:
  pull-requests: write

jobs:
  upload:
    runs-on: ubuntu-latest
    if: >
      ${{ github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success' }}
    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: ${{github.event.workflow_run.id }},
            });
            var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "voila-benchmark-report"
            })[0];
            var download = await github.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/benchmark-assets.zip', Buffer.from(download.data));
      - run: unzip benchmark-assets.zip
      - name: 'Comment on PR'
        uses: actions/github-script@v3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            var fs = require('fs');
            var issue_number = Number(fs.readFileSync('./NR'));
            var report = String(fs.readFileSync('./voila-benchmark.md'))

            // Get the existing comments.
            const {data: comments} = await github.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: issue_number,
            })

            // Find any comment already made by the bot.
            const botComments = comments.filter(comment => comment.user.id === 41898282)
            const botComment = botComments.find(cm => !cm.body.includes('Launch a Binder') )
            if (botComment) {
              await github.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: report
              })
            } else {
              await github.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue_number,
                body: report
              });
            }