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#!/usr/bin/env python3
#
# Copyright (c) 2015-2017 The Khronos Group Inc.
# Copyright (c) 2015-2017 Valve Corporation
# Copyright (c) 2015-2017 LunarG, Inc.
# Copyright (c) 2015-2017 Google Inc.
#
# 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.
#
# Author: Cort Stratton <cort@google.com>
import os
import subprocess
import sys
def generate(git_binary):
commit_id = subprocess.check_output([git_binary, "rev-parse", "HEAD"], cwd=source_dir).decode('utf-8').strip()
# Write commit ID to output header file
with open(output_header_file, "w") as header_file:
# File Comment
file_comment = '// *** THIS FILE IS GENERATED - DO NOT EDIT ***\n'
file_comment += '// See external_revision_generator.py for modifications\n'
header_file.write(file_comment)
# Copyright Notice
copyright = ''
copyright += '\n'
copyright += '/***************************************************************************\n'
copyright += ' *\n'
copyright += ' * Copyright (c) 2015-2017 The Khronos Group Inc.\n'
copyright += ' * Copyright (c) 2015-2017 Valve Corporation\n'
copyright += ' * Copyright (c) 2015-2017 LunarG, Inc.\n'
copyright += ' * Copyright (c) 2015-2017 Google Inc.\n'
copyright += ' *\n'
copyright += ' * Licensed under the Apache License, Version 2.0 (the "License");\n'
copyright += ' * you may not use this file except in compliance with the License.\n'
copyright += ' * You may obtain a copy of the License at\n'
copyright += ' *\n'
copyright += ' * http://www.apache.org/licenses/LICENSE-2.0\n'
copyright += ' *\n'
copyright += ' * Unless required by applicable law or agreed to in writing, software\n'
copyright += ' * distributed under the License is distributed on an "AS IS" BASIS,\n'
copyright += ' * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n'
copyright += ' * See the License for the specific language governing permissions and\n'
copyright += ' * limitations under the License.\n'
copyright += ' *\n'
copyright += ' * Author: Chris Forbes <chrisforbes@google.com>\n'
copyright += ' * Author: Cort Stratton <cort@google.com>\n'
copyright += ' *\n'
copyright += ' ****************************************************************************/\n'
header_file.write(copyright)
# Contents
contents = '#pragma once\n\n'
contents += '#define %s "%s"\n' % (symbol_name, commit_id)
header_file.write(contents)
if __name__ == '__main__':
if (len(sys.argv) != 4):
print("Usage: %s <SOURCE_DIR> <SYMBOL_NAME> <OUTPUT_HEADER_FILE>" % sys.argv[0])
sys.exit(os.EX_USAGE)
source_dir = sys.argv[1]
symbol_name = sys.argv[2]
output_header_file = sys.argv[3]
# Extract commit ID from the specified source directory
try:
generate('git')
except WindowsError:
# Call git.bat on Windows for compatiblity.
generate('git.bat')
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