libchromiumcontent/script/patch.py

89 строки
3.1 KiB
Python
Executable File

#!/usr/bin/env python
"""
Usage: patch -h
Use this script to selectively apply and reverse patches.
It is mostly useful to fix patches during upgrades to a new Chromium version.
"""
import argparse
import os
import subprocess
import sys
import lib.git as git
from lib.patches import Patch, PatchesList, PatchesConfig
def main():
args = parse_args()
directory = args.directory
force = args.force
patches = args.patch
project_root = args.project_root
repo = args.repo
reverse = args.reverse
if directory:
(success, failed_patches) = apply_patches_from_directory(directory, project_root, force, reverse)
else:
(success, failed_patches) = apply_patches(repo, patches, force, reverse)
if success:
print 'Done: All patches applied.'
else:
failed_patches_paths = [p.get_file_path() for p in failed_patches]
print 'Error: {0} patch(es) failed:\n{1}'.format(len(failed_patches), '\n'.join(failed_patches_paths))
return 0 if success else 1
def apply_patches(repo_path, patches_paths, force=False, reverse=False):
absolute_repo_path = os.path.abspath(repo_path)
patches = [Patch(os.path.abspath(patch_path), absolute_repo_path) for patch_path in patches_paths]
patches_list = PatchesList(repo_path=absolute_repo_path, patches=patches)
stop_on_error = not force
return patches_list.apply(reverse=reverse, stop_on_error=stop_on_error)
def apply_patches_from_directory(directory, project_root, force=False, reverse=False):
config = PatchesConfig.from_directory(directory, project_root=project_root)
patches_list = config.get_patches_list()
# Notify user if we didn't find any patch files.
if patches_list is None or len(patches_list) == 0:
print 'Warning: No patches found in the "{0}" folder.'.format(directory)
return (True, [])
# Then try to apply patches.
stop_on_error = not force
return patches_list.apply(reverse=reverse, stop_on_error=stop_on_error)
def parse_args():
parser = argparse.ArgumentParser(description='Apply patches to a git repo')
parser.add_argument('-f', '--force', default=False, action='store_true',
help='Do not stop on the first failed patch.')
parser.add_argument('--project-root', required=False, default=git.get_repo_root(os.path.abspath(__file__)),
help='Parent folder to resolve repos relative paths against')
parser.add_argument('-R', '--reverse', default=False, action='store_true', help='Apply patches in reverse.')
parser.add_argument('-r', '--repo', help='Path to a repository root folder.')
paths_group = parser.add_mutually_exclusive_group(required=True)
paths_group.add_argument('-d', '--directory',
help='Path to a directory with patches. If present, -p/--patch is ignored.')
paths_group.add_argument('-p', '--patch', nargs='*', help='Path(s) to a patch file(s).')
args = parser.parse_args()
# Additional rules.
if args.patch is not None and args.repo is None:
parser.error("Repository path (-r/--repo) is required when you supply patches list.")
return args
if __name__ == '__main__':
sys.exit(main())