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# 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
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import argparse
import importlib
import re
import subprocess
import sys
sys.path.insert(0, "./dom/media/webrtc/third_party_build")
vendor_libwebrtc = importlib.import_module("vendor-libwebrtc")
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"))
args = parser.parse_args()
command = [
"git",
"show",
"--oneline",
"--name-status",
"--pretty=format:",
None if not args.diff_filter else "--diff-filter={}".format(args.diff_filter),
args.commit_sha,
]
# strip possible empty elements from command list
command = [x for x in command if x is not None]
# Get the list of changes in the upstream commit.
res = subprocess.run(
command,
capture_output=True,
text=True,
cwd=args.repo_path,
)
if res.returncode != 0:
sys.exit("error: {}".format(res.stderr.strip()))
changed_files = [line.strip() for line in res.stdout.strip().split("\n")]
changed_files = [line for line in changed_files if line != ""]
# Fetch the list of excludes and includes used in the vendoring script.
exclude_list = vendor_libwebrtc.get_excluded_paths()
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 exclude list to a regex string.
regex_excludes = "|".join(["^.\t{}".format(i) for i in exclude_list])
# Filter out the excluded files/paths.
files_not_excluded = [
path for path in changed_files if not re.findall(regex_excludes, path)
]
for path in included_files + files_not_excluded:
print(path)
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