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