blob: 22ac2dfe99ef96eb208ae1b6af9e568f2216689c [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2017 Google Inc.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import hashlib
import os
import shutil
import stat
import sys
if sys.version_info[0] < 3:
from urllib2 import urlopen
from urllib.request import urlopen
os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
def fetch(target):
target_path = 'buildtools/linux64/' + target if 'linux' in sys.platform else \
'buildtools/mac/' + target if 'darwin' in sys.platform else \
'buildtools/win/'+ target + '.exe'
sha1_path = target_path + '.sha1'
if not os.path.exists(sha1_path):
print(sha1_path, 'is missing. Did you run `tools/git-sync-deps`?')
sha1 = open(sha1_path).read().strip()
def sha1_of_file(path):
h = hashlib.sha1()
if os.path.isfile(path):
with open(path, 'rb') as f:
return h.hexdigest()
if sha1_of_file(target_path) != sha1:
with open(target_path, 'wb') as f:
url = '' % (target, sha1)
os.chmod(target_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH )
target_copy_path = os.path.join('bin', os.path.basename(target_path))
if sha1_of_file(target_copy_path) != sha1:
shutil.copy(target_path, target_copy_path)