Add command to convert all semicolons to underscores

.github/workflows/run-tpch.yaml

@@ -78,7 +78,7 @@ jobs:
         rm -rf daft
         uv pip install ray[default] boto3 https://github-actions-artifacts-bucket.s3.us-west-2.amazonaws.com/builds/${{ github.sha }}/${{ inputs.wheel }}
 
-        # Boot up ray cluster
+        # Boot up ray cluster and submit tpch benchmarking job
         ray up .github/assets/ray.yaml -y
         HEAD_NODE_IP=$(ray get-head-ip .github/assets/ray.yaml | tail -n 1)
         ssh -o StrictHostKeyChecking=no -fN -L 8265:localhost:8265 -i ~/.ssh/ci-github-actions-ray-cluster-key.pem ubuntu@$HEAD_NODE_IP
@@ -105,22 +105,23 @@ jobs:
             --no_pymodules
         fi
 
+        # Download all logs
+        # (We also need to convert all files containing ':' to '_'.
+        # GHA `actions/upload-artifact@v4` does *not* allow semicolons!)
         ray rsync-down .github/assets/ray.yaml /tmp/ray ray-logs
+        find ray-logs/ray/session_*/logs/daft -depth -name '*:*' -exec bash -c '
+        for filepath; do
+            dir=$(dirname "$filepath")
+            base=$(basename "$filepath")
+            new_base=${base//:/_}
+            mv "$filepath" "$dir/$new_base"
+        done
+        ' _ {} +
 
-# find /path/to/directory -depth -name '*:*' -exec bash -c '
-# for filepath; do
-#     dir=$(dirname "$filepath")
-#     base=$(basename "$filepath")
-#     new_base=${base//:/_}
-#     mv "$filepath" "$dir/$new_base"
-# done
-# ' _ {} +
-
-    - uses: lhotari/action-upterm@v1
-
-    - run: |
-        source .venv/bin/activate
+        # Tear down ray cluster
         ray down .github/assets/ray.yaml -y
+
+        # Convert csv to markdown and print to GHA Summary Page
         python .github/scripts/csv_to_md.py output.csv output.md
         echo "# Results" >> $GITHUB_STEP_SUMMARY
         cat output.md >> $GITHUB_STEP_SUMMARY