1#!/usr/bin/env python 2# Copyright 2018 The ANGLE Project Authors. All rights reserved. 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6# Generate commit.h with git commit hash. 7# 8 9import subprocess as sp 10import sys 11import os 12 13usage = """\ 14Usage: commit_id.py check - check if git is present 15 commit_id.py gen <file_to_write> - generate commit.h""" 16 17 18def grab_output(command, cwd): 19 return sp.Popen(command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip() 20 21 22if len(sys.argv) < 2: 23 sys.exit(usage) 24 25operation = sys.argv[1] 26 27# Set the root of ANGLE's repo as the working directory 28cwd = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..') 29 30git_dir_exists = os.path.exists(os.path.join(cwd, '.git', 'HEAD')) 31 32if operation == 'check': 33 if git_dir_exists: 34 print("1") 35 else: 36 print("0") 37 sys.exit(0) 38 39if len(sys.argv) < 3 or operation != 'gen': 40 sys.exit(usage) 41 42output_file = sys.argv[2] 43commit_id_size = 12 44commit_id = 'unknown hash' 45commit_date = 'unknown date' 46enable_binary_loading = False 47 48if git_dir_exists: 49 try: 50 commit_id = grab_output('git rev-parse --short=%d HEAD' % commit_id_size, cwd) 51 commit_date = grab_output('git show -s --format=%ci HEAD', cwd) 52 enable_binary_loading = True 53 except: 54 pass 55 56hfile = open(output_file, 'w') 57 58hfile.write('#define ANGLE_COMMIT_HASH "%s"\n' % commit_id) 59hfile.write('#define ANGLE_COMMIT_HASH_SIZE %d\n' % commit_id_size) 60hfile.write('#define ANGLE_COMMIT_DATE "%s"\n' % commit_date) 61 62if not enable_binary_loading: 63 hfile.write('#define ANGLE_DISABLE_PROGRAM_BINARY_LOAD\n') 64 65hfile.close() 66