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#!/usr/bin/python2
# Copyright 2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
"""Transparent wrapper for chromium depot_tools."""
import httplib
import os.path
import pysvn
import re
import sys
sys.path.insert(0, "/usr/lib/portage/pym")
import portage.output
DAV_QUERY = '<propfind xmlns="DAV:"><allprop/></propfind>'
CHECKOUT_DIR = os.path.expanduser('~/.chromium-depot-tools')
CHECKOUT_URL = 'http://src.chromium.org/svn/trunk/tools/depot_tools'
eoutput = portage.output.EOutput()
if not os.path.exists(CHECKOUT_DIR):
os.makedirs(CHECKOUT_DIR)
svn_client = pysvn.Client()
def IsCheckoutUpToDate(current_revision):
"""
Performs a quick version check.
Returns true if the local depot_tools checkout is up to date.
"""
try:
conn = httplib.HTTPConnection('src.chromium.org')
conn.putrequest('PROPFIND', '/svn/!svn/vcc/default')
conn.endheaders()
conn.send(DAV_QUERY)
response = conn.getresponse()
if response.status != 207:
eoutput.ewarn('Fast update check failed.')
return False
data = response.read()
match = re.match('.*/svn/!svn/bln/(\d+).*', data, re.DOTALL)
rev = match.group(1)
conn = httplib.HTTPConnection('src.chromium.org')
conn.putrequest('PROPFIND', '/svn/!svn/bc/%s/trunk/tools/depot_tools' % rev)
conn.putheader('Depth', '0')
conn.endheaders()
conn.send(DAV_QUERY)
response = conn.getresponse()
if response.status != 207:
eoutput.ewarn('Fast update check failed.')
return False
data = response.read()
match = re.match('.*/svn/!svn/ver/(\d+).*', data, re.DOTALL)
rev = int(match.group(1))
return rev == current_revision
except:
eoutput.ewarn('Fast update check failed.')
return False
try:
entry = svn_client.info(CHECKOUT_DIR)
except pysvn.ClientError:
eoutput.einfo('Checking out depot_tools...')
svn_client.checkout(CHECKOUT_URL, CHECKOUT_DIR)
else:
if not IsCheckoutUpToDate(entry.commit_revision.number):
eoutput.einfo('Updating depot_tools...')
svn_client.cleanup(CHECKOUT_DIR)
svn_client.update(CHECKOUT_DIR)
tools = {
'drover': 'drover.py',
'gcl': 'gcl.py',
'gclient': 'gclient.py',
}
argv = sys.argv[:]
if argv[0] in tools:
tool = argv[0]
argv = argv[1:]
elif len(sys.argv) >= 1:
tool = argv[1]
argv = argv[2:]
os.execvp('python2',
['python2', os.path.join(CHECKOUT_DIR, tools[tool])] + argv)
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