From 06bb84cfa654db903b8463ade2c54466a0125ef3 Mon Sep 17 00:00:00 2001
From: Matt Mackall <mpm@selenic.com>
Date: Sat, 22 Mar 2008 13:50:59 -0500
Subject: [PATCH] ui: disallow newlines in usernames (issue1034)

---
 mercurial/ui.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mercurial/ui.py b/mercurial/ui.py
index 46fb365e79..b3644a3748 100644
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -351,6 +351,8 @@ class ui(object):
                 pass
         if not user:
             raise util.Abort(_("Please specify a username."))
+        if "\n" in user:
+            raise util.Abort(_("username %s contains a newline\n") % `user`)
         return user
 
     def shortuser(self, user):