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#!/usr/bin/env python
# Copyright 2018 The Amber Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Generates build-versions.h in the src/ directory.
#
# Args: <output_dir> <amber-dir> <spirv-tools-dir> <spirv-headers> <glslang-dir> <shaderc-dir>
from __future__ import print_function
import datetime
import os.path
import re
import subprocess
import sys
import time
OUTFILE = 'src/build-versions.h'
def command_output(cmd, directory):
p = subprocess.Popen(cmd,
cwd=directory,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(stdout, _) = p.communicate()
if p.returncode != 0:
raise RuntimeError('Failed to run {} in {}'.format(cmd, directory))
return stdout
def describe(directory):
if not os.path.exists(directory):
return "-"
return command_output(
['git', 'log', '-1', '--format=%h'], directory).rstrip().decode()
def get_version_string(project, directory):
name = project.upper().replace('-', '_')
return "#define {}_VERSION \"{}\"".format(name, describe(directory))
def main():
if len(sys.argv) != 4:
print('usage: {} <outdir> <amber-dir> <third_party>'.format(
sys.argv[0]))
sys.exit(1)
outdir = sys.argv[1]
srcdir = sys.argv[3]
projects = ['spirv-tools', 'spirv-headers', 'glslang', 'shaderc']
new_content = get_version_string('amber', sys.argv[2]) + "\n"
new_content = new_content + ''.join([
'{}\n'.format(get_version_string(p, os.path.join(srcdir, p)))
for p in projects
])
file = outdir + "/" + OUTFILE
if os.path.isfile(file):
with open(file, 'r') as f:
if new_content == f.read():
return
with open(file, 'w') as f:
f.write(new_content)
if __name__ == '__main__':
main()
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