diff mercurial/commands.py @ 19180:12dbdd348bb0 stable

branch: strip whitespace before testing known branch name

Because dirstate._branch() strips leading/trailing spaces from .hg/branch,
"hg branch ' foo '" should abort if branch "foo" exists in another head.

tag command had a similar bug and fixed by 3d0a9c8d7184.

--- a/mercurial/commands.py	Fri May 10 00:26:39 2013 +0400
+++ b/mercurial/commands.py	Tue May 07 23:49:03 2013 +0900
@@ -943,6 +943,9 @@
 
     Returns 0 on success.
     """
+    if label:
+        label = label.strip()
+
     if not opts.get('clean') and not label:
         ui.write("%s\n" % repo.dirstate.branch())
         return