skia2/bin/fetch-gn
Mike Klein cdcadf7a29 remove fetch-gn dependency on buildtools
This makes it possible to fetch GN without syncing DEPS.

To roll GN now, just update the three hashes in bin/fetch-gn.

buildtools is still a dependency of fetch-clang-format.

Bug: skia:7634

Change-Id: Ida6b516cfb0b306da73550875ab1ff97c9da6a64
Reviewed-on: https://skia-review.googlesource.com/107882
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
2018-02-21 20:42:26 +00:00

44 lines
1.4 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright 2016 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
import urllib2
os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
dst = 'bin/gn.exe' if 'win32' in sys.platform else 'bin/gn'
sha1 = '113f5b30a7cfae72015600a119590d45d64c0d0d' if 'linux' in sys.platform else \
'b33a6d33c2b2f42762f902672ffdf4837fa1c662' if 'darwin' in sys.platform else \
'b1981c189f40c3ae42b965277ad1bc3449d26d2a' # Windows
def sha1_of_file(path):
h = hashlib.sha1()
if os.path.isfile(path):
with open(path, 'rb') as f:
h.update(f.read())
return h.hexdigest()
if sha1_of_file(dst) != sha1:
with open(dst, 'wb') as f:
f.write(urllib2.urlopen('https://chromium-gn.storage-download.googleapis.com/' + sha1).read())
os.chmod(dst, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH )
# We'll also copy to a path that depot_tools' GN wrapper will expect to find the binary.
copy_path = 'buildtools/linux64/gn' if 'linux' in sys.platform else \
'buildtools/mac/gn' if 'darwin' in sys.platform else \
'buildtools/win/gn.exe'
if os.path.isdir(os.path.dirname(copy_path)):
shutil.copy(dst, copy_path)