Source code
Revision control
Copy as Markdown
Other Tools
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
import argparse
import importlib
import re
import sys
sys.path.insert(0, "./dom/media/webrtc/third_party_build")
vendor_libwebrtc = importlib.import_module("vendor-libwebrtc")
from run_operations import run_git
def filter_git_changes(github_path, commit_sha, diff_filter):
command = [
"git",
"show",
"--oneline",
"--name-status",
"--pretty=format:",
None if not diff_filter else "--diff-filter={}".format(diff_filter),
commit_sha,
]
# strip possible empty elements from command list
command = " ".join([x for x in command if x is not None])
# Get the list of changes in the upstream commit.
stdout_lines = run_git(command, github_path)
changed_files = [line.strip() for line in stdout_lines]
changed_files = [line for line in changed_files if line != ""]
# Fetch the list of excludes and includes used in the vendoring script.
exclude_file_list = vendor_libwebrtc.get_excluded_files()
exclude_dir_list = vendor_libwebrtc.get_excluded_dirs()
include_list = vendor_libwebrtc.get_included_path_overrides()
# First, search for changes in files that are specifically included.
# Do this first, because some of these files might be filtered out
# by the exclude list.
regex_includes = "|".join(["^.\t{}$".format(i) for i in include_list])
included_files = [
path for path in changed_files if re.findall(regex_includes, path)
]
# Convert the directory exclude list to a regex string and filter
# out the excluded directory paths (note the lack of trailing '$'
# in the regex).
regex_excludes = "|".join(
["^(M|A|D|R\\d\\d\\d)\t{}".format(i) for i in exclude_dir_list]
)
files_not_excluded = [
path for path in changed_files if not re.findall(regex_excludes, path)
]
# Convert the file exclude list to a regex string and filter out the
# excluded file paths. The trailing '$' in the regex ensures that
# we can exclude, for example, '.vpython' and not '.vpython3'.
regex_excludes = "|".join(["^.\t{}$".format(i) for i in exclude_file_list])
files_not_excluded = [
path for path in files_not_excluded if not re.findall(regex_excludes, path)
]
return included_files + files_not_excluded
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Get relevant change count from an upstream git commit"
)
parser.add_argument(
"--repo-path",
required=True,
help="path to libwebrtc repo",
)
parser.add_argument("--commit-sha", required=True, help="sha of commit to examine")
parser.add_argument(
"--diff-filter",
choices=("A", "D", "R"),
help="filter for adds (A), deletes (D), or renames (R)",
)
args = parser.parse_args()
paths = filter_git_changes(args.repo_path, args.commit_sha, args.diff_filter)
for path in paths:
print(path)