Create helper.yml

.github/workflows/helper.yml

@@ -0,0 +1,48 @@
+name: Post Merged.md on PR Close
+
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  post-merged-md:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Check if the PR was merged
+      - id: create_token
+        uses: tibdex/github-app-token@v2
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.PRIVATE_KEY }}
+          
+      - name: Check if PR was merged
+        id: pr-merge-check
+        uses: actions/github-script@v6
+        with:
+          script: |
+            return context.payload.pull_request.merged
+
+      # Fetch merged.md content if PR was merged
+      - name: Fetch merged.md content
+        if: steps.pr-merge-check.outputs.result == 'true'
+        run: |
+          curl -o merged.md https://raw.githubusercontent.com/open-domains/.github/main/merged.md
+
+      # Post the content of merged.md as a comment using the custom token
+      - name: Post comment on PR
+        if: steps.pr-merge-check.outputs.result == 'true'
+        uses: actions/github-script@v6
+        env:
+          GITHUB_TOKEN: ${{ steps.create_token.outputs.token }}
+        with:
+          script: |
+            const fs = require('fs');
+            const content = fs.readFileSync('merged.md', 'utf8');
+            github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              body: content
+            });