[benchmark] Add benchmark subproject (#8042)

upstream_utils/benchmark.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+
+import os
+import shutil
+from pathlib import Path
+
+from upstream_utils import Lib, walk_cwd_and_copy_if
+
+
+def copy_upstream_src(wpilib_root: Path):
+    upstream_root = Path(".").absolute()
+    benchmark = wpilib_root / "benchmark"
+
+    # Delete old install
+    shutil.rmtree(
+        benchmark / "src/main/native/thirdparty/benchmark",
+        ignore_errors=True,
+    )
+
+    # Copy benchmark source files into allwpilib
+    os.chdir(upstream_root / "src")
+    walk_cwd_and_copy_if(
+        lambda dp, f: f != "benchmark_main.cc" and f != "CMakeLists.txt",
+        benchmark / "src/main/native/thirdparty/benchmark/src",
+    )
+
+    # Copy benchmark header files into allwpilib
+    os.chdir(upstream_root / "include")
+    walk_cwd_and_copy_if(
+        lambda dp, f: f.endswith(".h"),
+        benchmark / "src/main/native/thirdparty/benchmark/include",
+    )
+
+
+def main():
+    name = "benchmark"
+    url = "https://github.com/google/benchmark.git"
+    tag = "v1.9.4"
+
+    benchmark = Lib(name, url, tag, copy_upstream_src)
+    benchmark.main()
+
+
+if __name__ == "__main__":
+    main()