Error out in `gclient config` if --name is relative

gclient.py

Index: gclient.py
diff --git a/gclient.py b/gclient.py
index 8de7e52df8f4702a37d9bfd5e6632a29ec209c1b..c4b023ffab1e777d9e77bcec06a708a7524a91eb 100755
--- a/gclient.py
+++ b/gclient.py
@@ -1886,6 +1886,13 @@ def CMDconfig(parser, args):
     else:
       # specify an alternate relpath for the given URL.
       name = options.name
+      if not os.path.abspath(os.path.join(os.getcwd(), name)).startswith(
+          os.getcwd()):
+        parser.error('Do not pass a relative path for --name.')
+      pieces = name.split(os.sep)

[Lei Zhang, 2015/10/20 00:55:21]

just roll |pieces| into any() ?

[agable, 2015/10/20 01:05:27]

Done.

+      if any(x in ('..', '.', '/', '\\') for x in pieces):
+        parser.error('Do not include relative path components in --name.')
+
     deps_file = options.deps_file
     safesync_url = ''
     if len(args) > 1: