Experiment with job outputs

.github/workflows/bench.yaml

@@ -4,8 +4,10 @@ jobs:
   test:
     name: Bench
     runs-on: ubuntu-latest
-    steps:
+    outputs:
+      flame_graph_ids: ${{ steps.run_benchmarks.outputs.flame_graph_ids }}
 
+    steps:
     - name: Set up Go 1.22
       uses: actions/setup-go@v5
       with:
@@ -17,12 +19,14 @@ jobs:
       with:
         fetch-depth: 1024
 
-    # Commenting out this step for now while we test the PR comment portion
-    # # TODO: Pin release
-    # # TODO: Remove git-base
-    # # TODO: Provide output
-    # - name: Run Benchmark
-    #   run: go run github.com/grafana/pyrobench@65a9bc2 -v compare --git-base 5eca05b1e4cf63df5d007ec6b13ce7394a0fffe3
+    # TODO: Pin release
+    # TODO: Remove git-base
+    # TODO: Provide output
+    - name: Run Benchmark
+      id: run_benchmarks
+      run: |
+        IDS=$(go run github.com/grafana/pyrobench@65a9bc2 -v compare --git-base 5eca05b1e4cf63df5d007ec6b13ce7394a0fffe3)
+        echo 'flame_graph_ids="${IDS}"' >> "$GITHUB_OUTPUT"
 
     - uses: actions/github-script@v7
       id: create-comment
@@ -36,4 +40,9 @@ jobs:
           });
 
     - name: Get result
-      run: echo '${{steps.create-comment.outputs.result}}'
+      if: ${{ github.event_name == 'pull_request' }}
+      needs:
+        - run_benchmarks
+      run: |
+        echo '${{steps.create-comment.outputs.result}}'
+        echo '${{needs.run_benchmarks.outputs.flame_graph_ids}}'