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#!/usr/bin/python2
# Copyright 2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
"""Creates a tarball containing V8 sources based on an SVN tag."""
import optparse
import os.path
import pysvn
import re
import shutil
import tarfile
import tempfile
_V8_MAJOR_VERSION_PATTERN = re.compile(r"#define\s+MAJOR_VERSION\s+(.*)")
_V8_MINOR_VERSION_PATTERN = re.compile(r"#define\s+MINOR_VERSION\s+(.*)")
_V8_BUILD_NUMBER_PATTERN = re.compile(r"#define\s+BUILD_NUMBER\s+(.*)")
_V8_PATCH_LEVEL_PATTERN = re.compile(r"#define\s+PATCH_LEVEL\s+(.*)")
_V8_PATTERNS = [
_V8_MAJOR_VERSION_PATTERN,
_V8_MINOR_VERSION_PATTERN,
_V8_BUILD_NUMBER_PATTERN,
_V8_PATCH_LEVEL_PATTERN]
def v8_extract_version(version_contents):
"""
Returns version number as string based on the string
contents of version.cc file.
"""
version_components = []
for pattern in _V8_PATTERNS:
version_components.append(pattern.search(version_contents).group(1).strip())
if version_components[len(version_components) - 1] == '0':
version_components.pop()
return '.'.join(version_components)
parser = optparse.OptionParser(usage="%prog <v8-version>")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("Exactly one argument required: <v8-version>")
target_name = 'v8-%s' % args[0]
tmpdir = tempfile.mkdtemp()
try:
checkout_dir = os.path.join(tmpdir, target_name)
os.makedirs(checkout_dir)
checkout_url = 'http://v8.googlecode.com/svn/tags/%s' % args[0]
svn_client = pysvn.Client()
svn_client.checkout(checkout_url, checkout_dir)
version_contents = open(os.path.join(checkout_dir, 'src', 'version.cc')).read()
actual_version = v8_extract_version(version_contents)
if actual_version != args[0]:
print 'Version info inside version.cc does not match!'
print 'Expected %s, got %s. Exiting' % (args[0], actual_version)
sys.exit(1)
archive_name = '%s.tar.gz' % target_name
try:
archive = tarfile.open(archive_name, 'w:gz')
archive.add(checkout_dir, target_name, exclude=(lambda x: '.svn' in x))
except:
os.remove(archive_name)
raise
finally:
archive.close()
finally:
shutil.rmtree(tmpdir)
pass
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