issue.yml

name: Linked Issue

on:
  pull_request:
    types: [opened, edited, ready_for_review]

env:
  VALID_ISSUE_PREFIXES: "CNCT|DASH|PROT|INSIGHT|ENGINE|CS|DES|BIL|DEVX|SOLU|NEB"

jobs:
  linear:
    name: Linear
    runs-on: ubuntu-latest
    steps:
      - name: Check for linked issue
        uses: actions/github-script@v7
        with:
          script: |
            const pr = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });

            // Check if contributor is external
            const isInternalContributor = ['MEMBER', 'OWNER', 'COLLABORATOR'].includes(
              context.payload.pull_request.author_association
            );

            // Automatically pass for external contributors
            if (!isInternalContributor) {
              console.log('External contributor detected - automatically passing check');
              return;
            }

            const body = pr.data.body || '';
            const branchName = pr.data.head.ref;
            const issueRegex = new RegExp(`(${process.env.VALID_ISSUE_PREFIXES})-\\d+`, 'i');
            const branchIssueRegex = new RegExp(`(${process.env.VALID_ISSUE_PREFIXES.toLowerCase()})-\\d+`, 'i');

            if (!issueRegex.test(body) && !branchIssueRegex.test(branchName)) {
              core.setFailed(
                `No valid issue reference found. PR body or branch name must contain an issue ID with one of these prefixes: ${process.env.VALID_ISSUE_PREFIXES}`
              );
              return;
            }

            const matches = body.match(issueRegex) || branchName.match(branchIssueRegex);
            console.log(`Found issue reference: ${matches[0]}`);