8f553a769b
Change-Id: I13ae7034cda4291743f433406ee2e8267dd48d3e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/416576 Commit-Queue: Eric Boren <borenet@google.com> Reviewed-by: Ravi Mistry <rmistry@google.com>
103 lines
2.9 KiB
Python
Executable File
103 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# Copyright 2021 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 json
|
|
import os
|
|
import platform
|
|
import re
|
|
import shutil
|
|
import stat
|
|
import sys
|
|
import tempfile
|
|
import zipfile
|
|
|
|
if sys.version_info[0] < 3:
|
|
from urllib2 import urlopen
|
|
else:
|
|
from urllib.request import urlopen
|
|
|
|
|
|
def sha256sum(path):
|
|
try:
|
|
with open(sk_path, 'rb') as f:
|
|
return hashlib.sha256(f.read()).hexdigest()
|
|
except OSError:
|
|
return ''
|
|
|
|
|
|
os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
|
|
|
|
OS = {'darwin': 'mac', 'linux': 'linux', 'linux2': 'linux', 'win32': 'windows'}[sys.platform]
|
|
cpu = {'amd64': 'amd64', 'arm64': 'arm64', 'x86_64': 'amd64'}[platform.machine().lower()]
|
|
platform = '%s-%s' % (OS, cpu)
|
|
sk = 'sk'
|
|
if 'windows' in platform:
|
|
sk = 'sk.exe'
|
|
|
|
# Find the version of 'sk' requested by DEPS.
|
|
with open('DEPS', 'rb') as f:
|
|
deps = f.read().decode()
|
|
found = re.findall(r"'sk_tool_revision':\s*'(\S+)'", deps)
|
|
if len(found) != 1:
|
|
print('Unable to find sk_tool_revision in DEPS', file=sys.stderr)
|
|
exit(1)
|
|
desired_version = found[0]
|
|
|
|
# Determine which version (if any) we currently have.
|
|
sk_path = os.path.join('bin', sk)
|
|
current_sha256 = sha256sum(sk_path)
|
|
sk_version_path = os.path.join('bin', 'sk.version')
|
|
|
|
# When we download 'sk', we write the version information to a file so we can
|
|
# keep track of which version we have. Read the file to determine whether the
|
|
# current version matches what we want.
|
|
current_version = {
|
|
'version': '',
|
|
'sha256': '',
|
|
}
|
|
try:
|
|
with open(sk_version_path, 'r', encoding='utf8') as f:
|
|
current_version = json.load(f)
|
|
except OSError:
|
|
pass
|
|
|
|
if desired_version != current_version['version']:
|
|
print('Version "%s" requested by DEPS differs from current version "%s"' % (
|
|
desired_version, current_version['version']))
|
|
elif current_sha256 != current_version['sha256']:
|
|
print('sha256 sum "%s" does not match last-downloaded version "%s"' % (
|
|
current_sha256, current_version['sha256']))
|
|
else:
|
|
print('Already up to date.')
|
|
exit(0)
|
|
|
|
print('Fetching %s at %s for platform %s' % (sk, desired_version, platform))
|
|
|
|
# Download sk.
|
|
skzip = os.path.join(tempfile.mkdtemp(), 'sk.zip')
|
|
with open(skzip, 'wb') as f:
|
|
url = 'https://chrome-infra-packages.appspot.com/dl/skia/tools/sk/%s/+/%s' % (
|
|
platform, desired_version)
|
|
f.write(urlopen(url).read())
|
|
|
|
with zipfile.ZipFile(skzip, 'r') as f:
|
|
f.extract(sk, 'bin')
|
|
|
|
uid = os.getuid()
|
|
gid = os.getgid()
|
|
os.chown(sk_path, uid, gid)
|
|
os.chmod(sk_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
|
|
stat.S_IRGRP | stat.S_IXGRP |
|
|
stat.S_IROTH | stat.S_IXOTH )
|
|
|
|
# Write the downloaded version info to a file.
|
|
current_version['version'] = desired_version
|
|
current_version['sha256'] = sha256sum(sk_path)
|
|
with open(sk_version_path, 'w', encoding='utf8') as f:
|
|
json.dump(current_version, f, sort_keys=True, indent=2)
|