Function get_buck2_version

tools/cmake/buck_util.py:45–59

(path: str)

def get_buck2_version(path: str) -> Optional[str]:
    try:
        runner = Buck2Runner(path)
        output = runner.run(["--version"])

        # Example output:
        # buck2 38f7c508bf1b87bcdc816bf56d1b9f2d2411c6be <build-id>
        #
        # We want the second value.

        return output[0].split()[1]

    except Exception as e:
        print(f"Failed to retrieve buck2 version: {e}.", file=sys.stderr)
        return None