Enable auto-merge for Fern Scribe PRs

Co-Authored-By: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

.github/scripts/fern-scribe.js

@@ -2063,6 +2063,10 @@ ${filesUpdated.map(file => `- \`${file}\``).join('\n')}
 
             if (pr && pr.html_url) {
               console.log(`   ✅ Draft PR created: ${pr.html_url}`);
+              if (process.env.GITHUB_OUTPUT) {
+                const fs = require('fs');
+                fs.appendFileSync(process.env.GITHUB_OUTPUT, `pr-number=${pr.number}\n`);
+              }
             } else {
               console.log(`   ⚠️  PR creation failed`);
             }
@@ -2106,4 +2110,4 @@ const fernScribeGitHub = new FernScribeGitHub();
 fernScribeGitHub.run().catch(error => {
   console.error('Fatal error:', error);
   process.exit(1);
-}); 
+});    

.github/workflows/fern-scribe.yml

@@ -44,6 +44,7 @@ jobs:
       # -----------------------------------------
 
       - name: Run Fern Scribe
+        id: fern-scribe
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           TURBOPUFFER_API_KEY: ${{ secrets.TURBOPUFFER_API_KEY }}
@@ -72,6 +73,21 @@ jobs:
               body: '🌿 **Fern Scribe is working on your request!**\n\nI\'ve analyzed your documentation request and am preparing file updates. A draft PR will be created shortly with the proposed changes.\n\n*Powered by AI and TurboBuffer file discovery*'
             });
 
+      - name: Enable Pull Request Automerge
+        if: success() && steps.fern-scribe.outputs.pr-number
+        uses: peter-evans/enable-pull-request-automerge@v3
+        with:
+          pull-request-number: ${{ steps.fern-scribe.outputs.pr-number }}
+          merge-method: squash
+
+      - name: Approving PR
+        if: success() && steps.fern-scribe.outputs.pr-number
+        env:
+          GH_TOKEN: ${{ secrets.PR_BOT_GH_PAT }}
+        run: |
+          echo "Approving PR"
+          gh pr review ${{ steps.fern-scribe.outputs.pr-number }} --approve
+
       - name: Comment on failure
         if: failure()
         uses: actions/github-script@v7
@@ -82,4 +98,4 @@ jobs:
               owner: context.repo.owner,
               repo: context.repo.repo,
               body: '❌ **Fern Scribe encountered an error**\n\nThere was an issue processing your documentation request. Please check the action logs and try again.\n\nIf the problem persists, please contact the maintainers.'
-            });
+            });