Add chromium-depot-tool.

1 files changed, 93 insertions, 0 deletions

diff --git a/chromium-depot-tool b/chromium-depot-tool
new file mode 100755
index 0000000..7974529
--- /dev/null
+++ b/chromium-depot-tool
@@ -0,0 +1,93 @@
+#!/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)