add conclusion job

Author: marcoieni

.github/workflows/ci.yml

@@ -173,3 +173,28 @@ jobs:
       - name: Clippy check
         run: cargo clippy --all-targets --all-features --workspace -- -D warnings
         working-directory: mock
+
+  conclusion:
+    name: Conclusion
+    needs:
+      - test
+      - lint
+      - format
+      - zizmor
+      - package
+      - action-test
+      - rustfmt
+      - clippy
+    # !cancelled() executes the job regardless of whether the previous jobs passed, failed or get skipped.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Conclusion
+        env:
+          # Store the JSON in an environment variable to avoid template injection.
+          NEEDS_JSON: ${{ toJson(needs) }}
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          printf '%s\n' "$NEEDS_JSON" | jq -C
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          printf '%s\n' "$NEEDS_JSON" | jq --exit-status 'all(.result == "success")'