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#!/usr/bin/env python3
# Copyright 2024 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
'''Run `cargo vet` against `third_party/rust/chromium_crates_io`.
Arguments are passed through to `cargo vet`.
'''
# TODO(https://crbug.com/405980483): Evaluate whether to keep supporting
# `tools/crates/run_cargo_vet.py` (see similar note in
# `tools/rust/build_vet.py`). Note that we have removed `cargo vet` presubmits
# (as tracked in https://crbug.com/405980483).
import argparse
import os
import pathlib
import platform
import subprocess
import sys
from run_cargo import (RunCargo, DEFAULT_SYSROOT)
_SCRIPT_NAME = os.path.basename(__file__)
_THIS_DIR = os.path.realpath(os.path.dirname(__file__))
_CHROMIUM_ROOT_DIR = os.path.join(_THIS_DIR, '..', '..')
_MANIFEST_DIR = os.path.join(_CHROMIUM_ROOT_DIR, 'third_party', 'rust',
'chromium_crates_io')
_VET_DATA_DIR = os.path.join(_MANIFEST_DIR, 'supply-chain')
_CONFIG_TOML_PATH = os.path.join(_VET_DATA_DIR, 'config.toml')
_IMPORTS_LOCK_PATH = os.path.join(_VET_DATA_DIR, 'imports.lock')
def AreOnlyCommentsChanged(old_contents, new_contents):
def NonCommentLines(contents):
lines = contents.splitlines()
lines = [line for line in lines if line and not line.startswith('#')]
return lines
return NonCommentLines(old_contents) == NonCommentLines(new_contents)
def main():
parser = argparse.ArgumentParser(
description=
'run `cargo vet` against `//third_party/rust/chromium_crates_io`')
parser.add_argument('--rust-sysroot',
default=DEFAULT_SYSROOT,
type=pathlib.Path,
help='use cargo and rustc from here')
(args, unrecognized_args) = parser.parse_known_args()
# Avoid clobbering `config.toml` - see
# https://github.com/mozilla/cargo-vet/issues/589 and note that `gnrt
# vendor` generates this file from the `vet_config.toml.hbs` template.
with open(_CONFIG_TOML_PATH, 'r') as f:
old_config_toml = f.read()
_CARGO_ARGS = ['-Zunstable-options', '-C', _MANIFEST_DIR]
_EXTRA_VET_ARGS = [
# See the `[dependencies.cxxbridge-cmd]` section in
# `third_party/rust/chromium_crates_io/Cargo.toml` for explanation why
# `-Zbindeps` flag is needed.
'--cargo-arg=-Zbindeps',
'--no-registry-suggestions'
]
retcode = RunCargo(
args.rust_sysroot, None,
_CARGO_ARGS + ['vet'] + unrecognized_args + _EXTRA_VET_ARGS)
# Unclober `config.toml` changes if desirable.
with open(_CONFIG_TOML_PATH, 'r') as f:
new_config_toml = f.read()
if new_config_toml != old_config_toml:
if AreOnlyCommentsChanged(old_config_toml, new_config_toml):
print(f"{_SCRIPT_NAME}: NOTE: Restoring `config.toml` " \
"(comment-only changes detected)")
with open(_CONFIG_TOML_PATH, 'w') as f:
f.write(old_config_toml)
else:
print(f"{_SCRIPT_NAME}: WARNING: Detected non-trivial " \
"`config.toml` changes. " \
"Check if `vet_config.toml.hbs` needs to be updated.")
if not success:
is_presubmit = '--locked' in unrecognized_args and \
'--frozen' in unrecognized_args
assert not is_presubmit
return retcode
if __name__ == '__main__':
sys.exit(main())
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