auto-close-issues.yml

name: Auto Close Issues

on:
  pull_request:
    types: [ closed ]
    branches:
      - develop
      - main

jobs:
  close-issues:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    permissions:
      issues: write
      pull-requests: read
    steps:
      - name: Close linked issues
        uses: actions/github-script@v7
        with:
          script: |
            const prBody = context.payload.pull_request.body || '';
            const prNumber = context.payload.pull_request.number;

            // Find issue numbers from PR body (Closes #N, Fixes #N, Resolves #N)
            const issueRegex = /(?:close[sd]?|fix(?:e[sd])?|resolve[sd]?)\s+#(\d+)/gi;
            const matches = [...prBody.matchAll(issueRegex)];

            if (matches.length === 0) {
              console.log('No issues found to close');
              return;
            }

            for (const match of matches) {
              const issueNumber = parseInt(match[1]);
              console.log(`Closing issue #${issueNumber}`);

              try {
                await github.rest.issues.update({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: issueNumber,
                  state: 'closed'
                });

                // Add a comment
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: issueNumber,
                  body: `Closed by PR #${prNumber}`
                });

                console.log(`✓ Issue #${issueNumber} closed`);
              } catch (error) {
                console.log(`✗ Failed to close issue #${issueNumber}: ${error.message}`);
              }
            }