Hal Canary | b357dea | 2017-03-08 10:54:09 -0500 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | # Copyright 2017 Google Inc. |
| 4 | # |
| 5 | # Use of this source code is governed by a BSD-style license that can be |
| 6 | # found in the LICENSE file. |
| 7 | |
| 8 | import hashlib |
| 9 | import os |
| 10 | import shutil |
| 11 | import stat |
| 12 | import sys |
| 13 | import urllib2 |
| 14 | |
| 15 | os.chdir(os.path.join(os.path.dirname(__file__), os.pardir)) |
| 16 | |
| 17 | def fetch(target): |
| 18 | target_path = 'buildtools/linux64/' + target if 'linux' in sys.platform else \ |
| 19 | 'buildtools/mac/' + target if 'darwin' in sys.platform else \ |
| 20 | 'buildtools/win/'+ target + '.exe' |
| 21 | |
| 22 | sha1 = open(target_path + '.sha1').read().strip() |
| 23 | |
| 24 | def sha1_of_file(path): |
| 25 | h = hashlib.sha1() |
| 26 | if os.path.isfile(path): |
| 27 | with open(path, 'rb') as f: |
| 28 | h.update(f.read()) |
| 29 | return h.hexdigest() |
| 30 | |
| 31 | if sha1_of_file(target_path) != sha1: |
| 32 | with open(target_path, 'wb') as f: |
| 33 | url = 'https://chromium-%s.storage-download.googleapis.com/%s' % (target, sha1) |
| 34 | f.write(urllib2.urlopen(url).read()) |
| 35 | |
| 36 | os.chmod(target_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR | |
| 37 | stat.S_IRGRP | stat.S_IXGRP | |
| 38 | stat.S_IROTH | stat.S_IXOTH ) |
| 39 | |
| 40 | target_copy_path = os.path.join('bin', os.path.basename(target_path)) |
| 41 | if sha1_of_file(target_copy_path) != sha1: |
| 42 | shutil.copy(target_path, target_copy_path) |
| 43 | |
| 44 | fetch('clang-format') |