Make git cl status spit out URLs instead of just Rietveld issue numbers.

R=maruel@chromium.org
BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/17379008

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@207048 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/git_cl.py b/git_cl.py
index 7e9180e..ce91817 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -605,6 +605,8 @@
 
   def GetIssueURL(self):
     """Get the URL for a particular issue."""
+    if not self.GetIssue():
+      return None
     return '%s/%s' % (self.GetRietveldServer(), self.GetIssue())
 
   def GetDescription(self, pretty=False):
@@ -1047,12 +1049,12 @@
   if show_branches:
     branches = RunGit(['for-each-ref', '--format=%(refname)', 'refs/heads'])
     if branches:
-      print 'Branches associated with reviews:'
       changes = (Changelist(branchref=b) for b in branches.splitlines())
-      branches = dict((cl.GetBranch(), cl.GetIssue()) for cl in changes)
+      branches = dict((cl.GetBranch(), cl.GetIssueURL()) for cl in changes)
       alignment = max(5, max(len(b) for b in branches))
+      print 'Branches associated with reviews:'
       for branch in sorted(branches):
-        print "  %*s: %s" % (alignment, branch, branches[branch])
+        print "  %*s: %s" % (alignment, branch, branches[branch] or '')
 
   cl = Changelist()
   if options.field: