Check for a missing scheme in the input_api.host.

presubmit_canned_checks.py

Index: presubmit_canned_checks.py
===================================================================
--- presubmit_canned_checks.py	(revision 78512)
+++ presubmit_canned_checks.py	(working copy)
@@ -655,8 +655,12 @@
   if not input_api.change.issue:
     return []
 
-  path = '/api/%s?messages=true'
-  url = (input_api.host_url + path) % input_api.change.issue
+  # TODO(dpranke): Should figure out if input_api.host_url is supposed to

[M-A Ruel, 2011/03/17 19:12:54]

There's also the problem that some issues needs to be a authenticated request,
e.g. have a valid credential to request the api url.

+  # be a host or a scheme+host and normalize it there.
+  host = input_api.host_url
+  if not host.startswith('http://'):

[M-A Ruel, 2011/03/17 19:43:34]

Some host are https:// only, please take that in account.

+    host = 'http://' + host
+  url = '%s/api/%s?messages=true' % (host, input_api.change.issue)
 
   f = input_api.urllib2.urlopen(url)
   issue_props = input_api.json.load(f)