Enforce PRs to link with Issues (#289)

Co-authored-by: atmorling <[email protected]>

.github/workflows/link_issue.yml

@@ -0,0 +1,44 @@
+name: Check Linked Issue
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, edited]
+
+jobs:
+  check-linked-issue:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Verify Linked Issue
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            const { pull_request } = context.payload;
+            const bodyText = pull_request.body || '';
+            const issuePattern = /(?:close|closes|closed|fix|fixes|fixed|resolve|resolves|resolved)\s+#(\d+)/i;
+            const match = bodyText.match(issuePattern);
+
+            if (!match) {
+              core.setFailed('No linked issue found in the pull request description.');
+              return;
+            }
+
+            const issueNumber = parseInt(match[1], 10);
+            const { owner, repo } = context.repo;
+
+            try {
+              const issue = await github.rest.issues.get({
+                owner,
+                repo,
+                issue_number: issueNumber
+              });
+              const minLength = 30; // Minimum description length
+
+              if (!issue.data.body || issue.data.body.trim().length < minLength) {
+                core.setFailed(`Linked issue #${issueNumber} does not have a sufficient description (at least ${minLength} characters required).`);
+              } else {
+                console.log(`Linked issue #${issueNumber} has a sufficient description.`);
+              }
+            } catch (error) {
+              core.setFailed(`Issue #${issueNumber} not found or inaccessible.`);
+            }