ci: auto pr assign by CODEOWNERS (#249)
* ci: auto pr assign by CODEOWNERS * fix * Update .github/workflows/community-pr-handler.yml Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com> * Update .github/workflows/auto-assign.yml Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com> * add python owners --------- Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>
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# CODEOWNERS - Auto-assign reviewers based on file paths
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# Documentation: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
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# Default: feihongxu0824 reviews everything not covered below
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* @feihongxu0824
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# .github directory
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/.github/ @Cuiyus
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/python/ @Cuiyus
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# cmake, examples, scripts
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/cmake/ @egolearner
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/examples/ @egolearner
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/scripts/ @egolearner
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# src/db, tests
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/src/db/ @zhourrr
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/tests/ @zhourrr
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# src/core, src/turbo
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/src/core/ @richyreachy
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/src/turbo/ @richyreachy
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# src/ailego
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/src/ailego/ @iaojnh
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# tools
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/tools/ @JalinWang
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# src/binding
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/src/binding/ @Cuiyus
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# src/include, thirdparty, .gitmodules
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/src/include/ @chinaux
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/thirdparty/ @chinaux
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.gitmodules @chinaux
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# Auto-assign configuration
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# Documentation: https://github.com/kentaro-m/auto-assign-action
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#
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# NOTE: Reviewers are assigned via CODEOWNERS file based on file paths.
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# This config only handles assignee assignment.
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# Automatically add PR author as assignee
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addAssignees: author
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# Number of assignees to add (0 = add all from the list)
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numberOfAssignees: 0
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# Reviewers are handled by CODEOWNERS, not here
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addReviewers: false
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# Skip draft PRs
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skipDraft: true
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# Skip keywords in PR title (won't assign if title contains these)
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skipKeywords:
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- wip
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- WIP
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- draft
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- DRAFT
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name: Auto Assign PR
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on:
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pull_request_target:
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types: [opened, reopened, ready_for_review]
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permissions:
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contents: read
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pull-requests: write
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jobs:
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auto-assign:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout for config
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uses: actions/checkout@v4
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with:
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ref: ${{ github.event.pull_request.base.ref }}
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sparse-checkout: .github/auto-assign-config.yml
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sparse-checkout-cone-mode: false
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- name: Auto Assign PR Author
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uses: kentaro-m/auto-assign-action@v2.0.0
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with:
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configuration-path: '.github/auto-assign-config.yml'
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name: Community PR Handler
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on:
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pull_request_target:
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types: [opened, reopened, ready_for_review]
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permissions:
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contents: read
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pull-requests: write
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jobs:
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handle-community-pr:
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runs-on: ubuntu-latest
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if: github.event.pull_request.draft == false
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steps:
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- name: Check if community contributor
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id: check
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uses: actions/github-script@v7
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with:
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script: |
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const pr = context.payload.pull_request;
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const prAuthor = pr.user.login;
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const association = pr.author_association;
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console.log('========== PR Info ==========');
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console.log(`PR Number: #${pr.number}`);
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console.log(`PR Title: ${pr.title}`);
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console.log(`PR Author: ${prAuthor}`);
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console.log(`Author Association: ${association}`);
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console.log(`Base Branch: ${pr.base.ref}`);
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console.log(`Head Branch: ${pr.head.ref}`);
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console.log(`Head Repo: ${pr.head.repo?.full_name || 'same repo'}`);
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// OWNER, MEMBER, COLLABORATOR are maintainers; others are community contributors
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const maintainerRoles = ['OWNER', 'MEMBER', 'COLLABORATOR'];
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const isCommunity = !maintainerRoles.includes(association);
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console.log('========== Decision ==========');
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console.log(`Maintainer Roles: ${maintainerRoles.join(', ')}`);
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console.log(`Is Community Contributor: ${isCommunity}`);
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if (!isCommunity) {
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console.log('Skipping: PR author is a maintainer, no action needed.');
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}
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core.setOutput('is_community', isCommunity);
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- name: Checkout base branch for CODEOWNERS
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if: steps.check.outputs.is_community == 'true'
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uses: actions/checkout@v4
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with:
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ref: ${{ github.event.pull_request.base.ref }}
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sparse-checkout: .github/CODEOWNERS
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sparse-checkout-cone-mode: false
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- name: Assign reviewer as assignee
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if: steps.check.outputs.is_community == 'true'
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uses: actions/github-script@v7
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with:
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script: |
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const fs = require('fs');
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const prNumber = context.payload.pull_request.number;
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console.log('========== Fetching Changed Files ==========');
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// Get changed files
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const { data: files } = await github.rest.pulls.listFiles({
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owner: context.repo.owner,
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repo: context.repo.repo,
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pull_number: prNumber
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});
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const changedFiles = files.map(f => f.filename);
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console.log(`Total changed files: ${changedFiles.length}`);
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changedFiles.forEach((f, i) => console.log(` [${i + 1}] ${f}`));
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console.log('========== Parsing CODEOWNERS ==========');
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// Parse CODEOWNERS
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let codeowners = [];
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try {
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const content = fs.readFileSync('.github/CODEOWNERS', 'utf8');
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const lines = content.split('\n').filter(l => l.trim() && !l.trim().startsWith('#'));
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console.log(`Found ${lines.length} rules in CODEOWNERS`);
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for (const line of lines) {
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const parts = line.trim().split(/\s+/);
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if (parts.length >= 2) {
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const pattern = parts[0];
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const owners = parts.slice(1).map(o => o.replace('@', ''));
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codeowners.push({ pattern, owners });
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console.log(` Rule: "${pattern}" -> [${owners.join(', ')}]`);
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}
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}
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} catch (e) {
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console.log('ERROR: Could not read CODEOWNERS:', e.message);
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return;
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}
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console.log('========== Matching Files to Owners ==========');
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// Find matching owners for changed files
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const matchedOwners = new Set();
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for (const file of changedFiles) {
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let matchedOwner = null;
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let matchedPattern = null;
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for (const rule of codeowners) {
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const pattern = rule.pattern;
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if (pattern === '*') {
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matchedOwner = rule.owners[0];
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matchedPattern = pattern;
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} else if (pattern.endsWith('/')) {
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const dir = pattern.replace(/^\//, '').replace(/\/$/, '');
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if (file.startsWith(dir + '/') || file.startsWith(dir)) {
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matchedOwner = rule.owners[0];
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matchedPattern = pattern;
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}
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} else if (file === pattern || file === pattern.replace(/^\//, '')) {
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matchedOwner = rule.owners[0];
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matchedPattern = pattern;
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}
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}
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if (matchedOwner) {
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matchedOwners.add(matchedOwner);
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console.log(` "${file}" -> matched "${matchedPattern}" -> @${matchedOwner}`);
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} else {
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console.log(` "${file}" -> NO MATCH`);
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}
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}
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console.log('========== Setting Assignees ==========');
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// Set assignees
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const assignees = Array.from(matchedOwners);
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console.log(`Assignees to set: [${assignees.join(', ')}]`);
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if (assignees.length > 0) {
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try {
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await github.rest.issues.addAssignees({
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owner: context.repo.owner,
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repo: context.repo.repo,
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issue_number: prNumber,
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assignees: assignees
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});
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console.log('SUCCESS: Assignees set successfully!');
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} catch (e) {
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console.log('ERROR: Failed to set assignees:', e.message);
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console.log('Error details:', JSON.stringify(e, null, 2));
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}
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} else {
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console.log('WARNING: No assignees to set - no matching owners found.');
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}
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console.log('========== Done ==========');
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