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#!/usr/bin/env python
# Copyright (C) 2018 The ANGLE Project Authors.
#
# 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
#
# https://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.
# Generate commit.h with git commit hash.
#
import subprocess as sp
import sys
import os
usage = """\
Usage: commit_id.py check <angle_dir> - check if git is present
commit_id.py gen <angle_dir> <file_to_write> - generate commit.h"""
def grab_output(command, cwd):
return sp.Popen(command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip()
if len(sys.argv) < 3:
sys.exit(usage)
operation = sys.argv[1]
cwd = sys.argv[2]
if operation == 'check':
index_path = os.path.join(cwd, '.git', 'index')
if os.path.exists(index_path):
print("1")
else:
print("0")
sys.exit(0)
if len(sys.argv) < 4 or operation != 'gen':
sys.exit(usage)
output_file = sys.argv[3]
commit_id_size = 12
try:
commit_id = grab_output('git rev-parse --short=%d HEAD' % commit_id_size, cwd)
commit_date = grab_output('git show -s --format=%ci HEAD', cwd)
except:
commit_id = 'invalid-hash'
commit_date = 'invalid-date'
hfile = open(output_file, 'w')
hfile.write('#define ANGLE_COMMIT_HASH "%s"\n' % commit_id)
hfile.write('#define ANGLE_COMMIT_HASH_SIZE %d\n' % commit_id_size)
hfile.write('#define ANGLE_COMMIT_DATE "%s"\n' % commit_date)
hfile.close()
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