forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
download.py
executable file
·130 lines (98 loc) · 3.21 KB
/
download.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#!/usr/bin/env python
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# vim: set ts=2 sw=2 et sts=2 ai:
"""Minimal tool to download binutils from Google storage.
TODO(mithro): Replace with generic download_and_extract tool.
"""
import argparse
import os
import platform
import re
import shutil
import subprocess
import sys
BINUTILS_DIR = os.path.abspath(os.path.dirname(__file__))
BINUTILS_FILE = 'binutils.tar.bz2'
BINUTILS_TOOLS = ['bin/ld.gold', 'bin/objcopy', 'bin/objdump']
BINUTILS_OUT = 'Release'
DETECT_HOST_ARCH = os.path.abspath(os.path.join(
BINUTILS_DIR, '../../build/detect_host_arch.py'))
def ReadFile(filename):
with file(filename, 'r') as f:
return f.read().strip()
def WriteFile(filename, content):
assert not os.path.exists(filename)
with file(filename, 'w') as f:
f.write(content)
f.write('\n')
def GetArch():
gyp_host_arch = re.search(
'host_arch=(\S*)', os.environ.get('GYP_DEFINES', ''))
if gyp_host_arch:
arch = gyp_host_arch.group(1)
# This matches detect_host_arch.py.
if arch == 'x86_64':
return 'x64'
return arch
return subprocess.check_output(['python', DETECT_HOST_ARCH]).strip()
def FetchAndExtract(arch):
archdir = os.path.join(BINUTILS_DIR, 'Linux_' + arch)
tarball = os.path.join(archdir, BINUTILS_FILE)
outdir = os.path.join(archdir, BINUTILS_OUT)
sha1file = tarball + '.sha1'
if not os.path.exists(sha1file):
print "WARNING: No binutils found for your architecture (%s)!" % arch
return 0
checksum = ReadFile(sha1file)
stampfile = tarball + '.stamp'
if os.path.exists(stampfile):
if (os.path.exists(tarball) and
os.path.exists(outdir) and
checksum == ReadFile(stampfile)):
return 0
else:
os.unlink(stampfile)
print "Downloading", tarball
subprocess.check_call([
'download_from_google_storage',
'--no_resume',
'--no_auth',
'--bucket', 'chromium-binutils',
'-s', sha1file])
assert os.path.exists(tarball)
if os.path.exists(outdir):
shutil.rmtree(outdir)
assert not os.path.exists(outdir)
os.makedirs(outdir)
assert os.path.exists(outdir)
print "Extracting", tarball
subprocess.check_call(['tar', 'axf', tarball], cwd=outdir)
for tool in BINUTILS_TOOLS:
assert os.path.exists(os.path.join(outdir, tool))
WriteFile(stampfile, checksum)
return 0
def main(args):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--ignore-if-arch', metavar='ARCH',
action='append', default=[],
help='Do nothing on host architecture ARCH')
options = parser.parse_args(args)
if not sys.platform.startswith('linux'):
return 0
arch = GetArch()
if arch in options.ignore_if_arch:
return 0
if arch == 'x64':
return FetchAndExtract(arch)
if arch == 'ia32':
ret = FetchAndExtract(arch)
if ret != 0:
return ret
# Fetch the x64 toolchain as well for official bots with 64-bit kernels.
return FetchAndExtract('x64')
print "Host architecture %s is not supported." % arch
return 1
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))