Check PR Approvals #792
Workflow file for this run
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Check PR Approvals | |
| # For now, the workflow gets triggered only when a review is submitted | |
| # This technically means, a PR with zero approvals can be merged by the rules of this workflow alone | |
| # To protect against that scenario, we can turn on number of approvals required to 2 in the github settings | |
| # of the repository | |
| on: | |
| pull_request_review: | |
| types: [submitted] | |
| jobs: | |
| check-approvals: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v2 | |
| - name: Install TOML parser | |
| run: npm install @iarna/toml | |
| - name: Check PR Relevance and Approvals | |
| uses: actions/github-script@v6 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const toml = require('@iarna/toml'); | |
| const { owner, repo } = context.repo; | |
| let pull_number; | |
| if (github.event_name === 'workflow_dispatch') { | |
| const branch = github.ref.replace('refs/heads/', ''); | |
| const prs = await github.rest.pulls.list({ | |
| owner, | |
| repo, | |
| head: `${owner}:${branch}`, | |
| state: 'open' | |
| }); | |
| if (prs.data.length === 0) { | |
| console.log('No open PR found for this branch.'); | |
| return; | |
| } | |
| pull_number = prs.data[0].number; | |
| } else { | |
| pull_number = context.issue.number; | |
| } | |
| // Get parsed data | |
| try { | |
| const tomlContent = fs.readFileSync('.github/pull_requests.toml', 'utf8'); | |
| console.log('TOML content:', tomlContent); | |
| const tomlData = toml.parse(tomlContent); | |
| console.log('Parsed TOML data:', JSON.stringify(tomlData, null, 2)); | |
| if (!tomlData.committee || !Array.isArray(tomlData.committee.members)) { | |
| throw new Error('committee.members is not an array in the TOML file'); | |
| } | |
| requiredApprovers = tomlData.committee.members; | |
| } catch (error) { | |
| console.error('Error reading or parsing TOML file:', error); | |
| core.setFailed('Failed to read required approvers list'); | |
| return; | |
| } | |
| // Get all reviews | |
| const reviews = await github.rest.pulls.listReviews({ | |
| owner, | |
| repo, | |
| pull_number | |
| }); | |
| // Example: approvers = ["celina", "zyad"] | |
| const approvers = new Set( | |
| reviews.data | |
| .filter(review => review.state === 'APPROVED') | |
| .map(review => review.user.login) | |
| ); | |
| const requiredApprovals = 2; | |
| const currentCountfromCommittee = Array.from(approvers) | |
| .filter(approver => requiredApprovers.includes(approver)) | |
| .length; | |
| // TODO: Improve logging and messaging to the user | |
| console.log('PR Approvers:', Array.from(approvers)); | |
| console.log('Required Approvers:', requiredApprovals); | |
| // Core logic that checks if the approvers are in the committee | |
| const checkName = 'PR Approval Status'; | |
| const conclusion = (approvers.size >= requiredApprovals && currentCountfromCommittee >= 2) ? 'success' : 'failure'; | |
| const output = { | |
| title: checkName, | |
| summary: `PR has ${approvers.size} total approvals and ${requiredApprovals} required approvals.`, | |
| text: `Approvers: ${Array.from(approvers).join(', ')}\nRequired Approvers: ${requiredApprovers.join(', ')}` | |
| }; | |
| if (conclusion === 'failure') { | |
| core.setFailed(`PR needs at least ${requiredApprovals} total approvals and 2 required approvals. Current approvals: ${approvers.size}, Required approvals: ${requiredApprovals}`); | |
| } |