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#!/usr/bin/env python3
#
# Copyright 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import argparse
import os
import subprocess
import sys
from util import build_utils
# python -c "import zipfile; zipfile.ZipFile('test.jar', 'w')"
# du -b test.jar
_EMPTY_JAR_SIZE = 22
def main():
# The point of this wrapper is to use AtomicOutput so that output timestamps
# are not updated when outputs are unchanged.
ijar_bin, in_jar, out_jar = sys.argv[1:]
with build_utils.AtomicOutput(out_jar) as f:
# ijar fails on empty jars: https://github.com/bazelbuild/bazel/issues/10162
if os.path.getsize(in_jar) <= _EMPTY_JAR_SIZE:
with open(in_jar, 'rb') as in_f:
f.write(in_f.read())
else:
build_utils.CheckOutput([ijar_bin, in_jar, f.name])
if __name__ == '__main__':
main()
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