1 files changed, 13 insertions, 17 deletions
diff --git a/.github/scripts/update_history.py b/.github/scripts/update_history.py
index 6fae798c..9b4323df 100644
--- a/.github/scripts/update_history.py
+++ b/.github/scripts/update_history.py
@@ -1,13 +1,10 @@
 #!/usr/bin/env python3
 """
-Append the current JMH results to benchmark-history.json and overwrite
-benchmark-latest.json on the benchmark-data branch working directory.
+Append the current JMH results to the benchmark history and write the updated
+history to a new file.
 
 Usage:
-    python update_history.py <results.json> <output_dir> <commit_sha> [<pr_number>]
-
-<output_dir> is the directory where benchmark-history.json and
-benchmark-latest.json will be written (the benchmark-data checkout root).
+    python update_history.py <results.json> <existing-history.json> <output.json> <commit_sha>
 """
 
 import json
@@ -17,35 +14,34 @@ from pathlib import Path
 
 
 def main() -> None:
-    if len(sys.argv) < 4:
-        print("Usage: update_history.py <results.json> <output_dir> <commit_sha> [<pr_number>]", file=sys.stderr)
+    if len(sys.argv) < 5:
+        print(
+            "Usage: update_history.py <results.json> <existing-history.json> <output.json> <commit_sha>",
+            file=sys.stderr,
+        )
         sys.exit(1)
 
     results_path = Path(sys.argv[1])
-    output_dir = Path(sys.argv[2])
-    commit_sha = sys.argv[3]
-    pr_number = int(sys.argv[4]) if len(sys.argv) > 4 else None
+    existing_path = Path(sys.argv[2])
+    output_path = Path(sys.argv[3])
+    commit_sha = sys.argv[4]
 
     results = json.loads(results_path.read_text())
 
-    # Tag each result entry with the commit so compare_benchmarks.py can display it
     for entry in results:
         entry["_meta_commit"] = commit_sha
 
-    history_path = output_dir / "benchmark-history.json"
-    history = json.loads(history_path.read_text()) if history_path.exists() else []
+    history = json.loads(existing_path.read_text()) if existing_path.exists() else []
 
     history.append(
         {
             "commit": commit_sha,
-            "pr": pr_number,
             "timestamp": datetime.now(timezone.utc).isoformat(),
             "results": results,
         }
     )
 
-    history_path.write_text(json.dumps(history, indent=2))
-
+    output_path.write_text(json.dumps(history, indent=2))
     print(f"Stored results for commit {commit_sha[:7]} ({len(results)} benchmark(s)).")