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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-or-later
# This script extracts the revision and sub-revision from the update.py and update_rust.py files in the Chromium source code.
# The revision and sub-revision are used to identify the version of Clang and Rust used in the Chromium toolchain.
import requests
import sys
def get_revision_info(url):
"""
Extracts revision and sub-revision from a Chromium source file URL.
Args:
url (str): The URL of the source file on GitHub's raw endpoint.
Returns:
tuple: A tuple containing the revision (str) and sub-revision (int),
or (None, None) if not found.
"""
response = requests.get(url)
if response.status_code == 200:
text = response.content.decode('utf-8') # Decode to UTF-8
lines = text.splitlines()
revision = None
sub_revision = None
for line in lines:
if line.startswith("CLANG_REVISION") and not line.startswith("PACKAGE_VERSION"):
revision = line.split("=")[1].strip().strip("'")
elif line.startswith("CLANG_SUB_REVISION") and not line.startswith("PACKAGE_VERSION"):
sub_revision = int(line.split("=")[1].strip())
elif line.startswith("RUST_REVISION") and not line.startswith("specieid") and not line.startswith(" return"):
# I know that's spelt wrong, but apparently google cant't spell
revision = line.split("=")[1].strip().strip("'")
elif line.startswith("RUST_SUB_REVISION") and not line.startswith("specieid") and not line.startswith(" return"):
sub_revision = int(line.split("=")[1].strip()[-1])
if revision is None or sub_revision is None:
raise ValueError("Failed to extract revision and sub-revision")
return revision, sub_revision
else:
raise ValueError(f"Failed to get revision info. Status code: {response.status_code}")
def main():
version = sys.argv[1] if len(sys.argv) > 1 else "128.0.6613.113"
# It's a lot easier to use GH raw URLs for this
base_url = "https://raw.githubusercontent.com/chromium/chromium/"
clang_url = f"{base_url}{version}/tools/clang/scripts/update.py"
rust_url = f"{base_url}{version}/tools/rust/update_rust.py"
clang_revision, clang_sub_revision = get_revision_info(clang_url)
rust_revision, rust_sub_revision = get_revision_info(rust_url)
if clang_revision and clang_sub_revision:
print(f"clang revision: {clang_revision}-{clang_sub_revision}")
else:
print("clang revision not found")
if rust_revision and rust_sub_revision:
print(f"rust revision: {rust_revision}-{rust_sub_revision}")
else:
print("rust revision not found")
if __name__ == "__main__":
main()
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