#!/usr/bin/env python3
# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
'''Build and run gnrt.

Should be run from the checkout root (i.e. as `tools/crates/run_gnrt.py ...`)
'''

import argparse
import os
import pathlib
import platform
import subprocess
import sys

GNRT_DIR = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'gnrt')
GNRT_MANIFEST_PATH = os.path.join(GNRT_DIR, 'Cargo.toml')

from run_cargo import RunCargo, DEFAULT_SYSROOT


def RunGnrt(rust_sysroot, out_dir, gnrt_args):
    target_dir = os.path.abspath(os.path.join(out_dir, 'target'))
    home_dir = os.path.abspath(os.path.join(target_dir, 'cargo_home'))
    cargo_args = [
        '--locked',
        'run',
        '--release',
        '--manifest-path',
        GNRT_MANIFEST_PATH,
        '--target-dir',
        target_dir,
        '--',
    ] + gnrt_args
    return RunCargo(rust_sysroot, home_dir, cargo_args)


def main():
    parser = argparse.ArgumentParser(description='build and run gnrt')
    parser.add_argument(
        '--rust-sysroot',
        default=DEFAULT_SYSROOT,
        type=pathlib.Path,
        help='use cargo and rustc from here',
    )
    parser.add_argument(
        '--out-dir',
        default='out/gnrt',
        help='put target and cargo home dir here',
    )
    (args, gnrt_args) = parser.parse_known_args()
    return RunGnrt(args.rust_sysroot, args.out_dir, gnrt_args)


if __name__ == '__main__':
    sys.exit(main())