resciencelab__opc-skills/.github/workflows/auto-close-issues.yml

name: Auto-close Issues on PR Merge

on:
  pull_request:
    types: [closed]

jobs:
  close-linked-issues:
    # Only run if PR was actually merged (not just closed)
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    permissions:
      issues: write
      pull-requests: read
    
    steps:
      - name: Extract issue numbers from PR
        id: extract-issues
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = context.payload.pull_request.number;
            const prTitle = context.payload.pull_request.title;
            const prBody = context.payload.pull_request.body || '';
            const prUrl = context.payload.pull_request.html_url;
            
            // Regex to find issue references like "Fixes #123", "Closes #456", "Resolves #789"
            const issuePattern = /(?:close[sd]?|fix(?:e[sd])?|resolve[sd]?)\s*:?\s*#(\d+)/gi;
            
            const issueNumbers = new Set();
            let match;
            
            // Search in PR title
            while ((match = issuePattern.exec(prTitle)) !== null) {
              issueNumbers.add(match[1]);
            }
            
            // Search in PR body
            issuePattern.lastIndex = 0; // Reset regex
            while ((match = issuePattern.exec(prBody)) !== null) {
              issueNumbers.add(match[1]);
            }
            
            const issues = Array.from(issueNumbers);
            console.log(`Found issues: ${issues.join(', ')}`);
            
            // Store for next step
            core.setOutput('issue_numbers', issues.join(','));
            core.setOutput('pr_number', prNumber);
            core.setOutput('pr_url', prUrl);
            core.setOutput('pr_title', prTitle);

      - name: Comment and close issues
        if: steps.extract-issues.outputs.issue_numbers != ''
        uses: actions/github-script@v7
        with:
          script: |
            const issueNumbers = '${{ steps.extract-issues.outputs.issue_numbers }}'.split(',');
            const prNumber = '${{ steps.extract-issues.outputs.pr_number }}';
            const prUrl = '${{ steps.extract-issues.outputs.pr_url }}';
            const prTitle = `${{ steps.extract-issues.outputs.pr_title }}`;
            
            for (const issueNumber of issueNumbers) {
              if (!issueNumber) continue;
              
              try {
                // Add comment to the issue
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: parseInt(issueNumber),
                  body: `✅ This issue has been automatically closed because PR #${prNumber} was merged.\n\n**PR Title:** ${prTitle}\n**PR Link:** ${prUrl}`
                });
                
                console.log(`Added comment to issue #${issueNumber}`);
                
                // Close the issue
                await github.rest.issues.update({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: parseInt(issueNumber),
                  state: 'closed'
                });
                
                console.log(`Closed issue #${issueNumber}`);
              } catch (error) {
                console.error(`Error processing issue #${issueNumber}:`, error.message);
              }
            }