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Code Issues Packages Projects Releases Wiki Activity

[ci] Add code-owner-approved label workflow (#14421)

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This commit is contained in:
J. Nick Koston
2026-03-03 07:11:47 -10:00
committed by GitHub
parent b209c903bb
commit 95544dddf8
4 changed files with 342 additions and 124 deletions
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.github/workflows/codeowner-review-request.yml
+35 -83
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@@ -24,10 +24,17 @@ jobs:
if: ${{ github.repository == 'esphome/esphome' && !github.event.pull_request.draft }}
runs-on: ubuntu-latest
steps:
- name: Checkout base branch
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
with:
ref: ${{ github.event.pull_request.base.sha }}
- name: Request reviews from component codeowners
uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
with:
script: |
const { loadCodeowners, getEffectiveOwners } = require('./.github/scripts/codeowners.js');
const owner = context.repo.owner;
const repo = context.repo.repo;
const pr_number = context.payload.pull_request.number;
@@ -38,12 +45,15 @@ jobs:
const BOT_COMMENT_MARKER = '<!-- codeowner-review-request-bot -->';
try {
// Get the list of changed files in this PR
const { data: files } = await github.rest.pulls.listFiles({
owner,
repo,
pull_number: pr_number
});
// Get the list of changed files in this PR (with pagination)
const files = await github.paginate(
github.rest.pulls.listFiles,
{
owner,
repo,
pull_number: pr_number
}
);
const changedFiles = files.map(file => file.filename);
console.log(`Found ${changedFiles.length} changed files`);
@@ -53,32 +63,10 @@ jobs:
return;
}
// Fetch CODEOWNERS file from root
const { data: codeownersFile } = await github.rest.repos.getContent({
owner,
repo,
path: 'CODEOWNERS',
ref: context.payload.pull_request.base.sha
});
const codeownersContent = Buffer.from(codeownersFile.content, 'base64').toString('utf8');
// Parse CODEOWNERS from the checked-out base branch
const codeownersPatterns = loadCodeowners();
// Parse CODEOWNERS file to extract all patterns and their owners
const codeownersLines = codeownersContent.split('\n')
.map(line => line.trim())
.filter(line => line && !line.startsWith('#'));
const codeownersPatterns = [];
// Convert CODEOWNERS pattern to regex (robust glob handling)
function globToRegex(pattern) {
// Escape regex special characters except for glob wildcards
let regexStr = pattern
.replace(/([.+^=!:${}()|[\]\\])/g, '\\$1') // escape regex chars
.replace(/\*\*/g, '.*') // globstar
.replace(/\*/g, '[^/]*') // single star
.replace(/\?/g, '.'); // question mark
return new RegExp('^' + regexStr + '$');
}
console.log(`Parsed ${codeownersPatterns.length} codeowner patterns`);
// Helper function to create comment body
function createCommentBody(reviewersList, teamsList, matchedFileCount, isSuccessful = true) {
@@ -93,50 +81,11 @@ jobs:
}
}
for (const line of codeownersLines) {
const parts = line.split(/\s+/);
if (parts.length < 2) continue;
const pattern = parts[0];
const owners = parts.slice(1);
// Use robust glob-to-regex conversion
const regex = globToRegex(pattern);
codeownersPatterns.push({ pattern, regex, owners });
}
console.log(`Parsed ${codeownersPatterns.length} codeowner patterns`);
// Match changed files against CODEOWNERS patterns
const matchedOwners = new Set();
const matchedTeams = new Set();
const fileMatches = new Map(); // Track which files matched which patterns
for (const file of changedFiles) {
for (const { pattern, regex, owners } of codeownersPatterns) {
if (regex.test(file)) {
console.log(`File '${file}' matches pattern '${pattern}' with owners: ${owners.join(', ')}`);
if (!fileMatches.has(file)) {
fileMatches.set(file, []);
}
fileMatches.get(file).push({ pattern, owners });
// Add owners to the appropriate set (remove @ prefix)
for (const owner of owners) {
const cleanOwner = owner.startsWith('@') ? owner.slice(1) : owner;
if (cleanOwner.includes('/')) {
// Team mention (org/team-name)
const teamName = cleanOwner.split('/')[1];
matchedTeams.add(teamName);
} else {
// Individual user
matchedOwners.add(cleanOwner);
}
}
}
}
}
// Match changed files against CODEOWNERS patterns using last-match-wins semantics
const effective = getEffectiveOwners(changedFiles, codeownersPatterns);
const matchedOwners = effective.users;
const matchedTeams = effective.teams;
const matchedFileCount = effective.matchedFileCount;
if (matchedOwners.size === 0 && matchedTeams.size === 0) {
console.log('No codeowners found for any changed files');
@@ -170,11 +119,14 @@ jobs:
}
// Check for completed reviews to avoid re-requesting users who have already reviewed
const { data: reviews } = await github.rest.pulls.listReviews({
owner,
repo,
pull_number: pr_number
});
const reviews = await github.paginate(
github.rest.pulls.listReviews,
{
owner,
repo,
pull_number: pr_number
}
);
const reviewedUsers = new Set();
reviews.forEach(review => {
@@ -247,7 +199,7 @@ jobs:
}
const totalReviewers = reviewersList.length + teamsList.length;
console.log(`Requesting reviews from ${reviewersList.length} users and ${teamsList.length} teams for ${fileMatches.size} matched files`);
console.log(`Requesting reviews from ${reviewersList.length} users and ${teamsList.length} teams for ${matchedFileCount} matched files`);
// Request reviews
try {
@@ -279,7 +231,7 @@ jobs:
// Only add a comment if there are new codeowners to mention (not previously pinged)
if (reviewersList.length > 0 || teamsList.length > 0) {
const commentBody = createCommentBody(reviewersList, teamsList, fileMatches.size, true);
const commentBody = createCommentBody(reviewersList, teamsList, matchedFileCount, true);
await github.rest.issues.createComment({
owner,
@@ -297,7 +249,7 @@ jobs:
// Only try to add a comment if there are new codeowners to mention
if (reviewersList.length > 0 || teamsList.length > 0) {
const commentBody = createCommentBody(reviewersList, teamsList, fileMatches.size, false);
const commentBody = createCommentBody(reviewersList, teamsList, matchedFileCount, false);
try {
await github.rest.issues.createComment({