# HG changeset patch
# User Mads Kiilerich <mads@kiilerich.com>
# Date 2015-03-19 21:22:50
# Node ID e25ce44f8447169bc56f5cbd49a3522b7a3ad3ee
# Parent  d71db0e3b7b9067790a80c5f98d93f209eaa3ea6

context: make sure __str__ works, also when there is no _changectx

Before, it could crash when trying to print the wrong kind of object at the
wrong time.

diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -709,7 +709,10 @@ class basefilectx(object):
             return False
 
     def __str__(self):
-        return "%s@%s" % (self.path(), self._changectx)
+        try:
+            return "%s@%s" % (self.path(), self._changectx)
+        except error.LookupError:
+            return "%s@???" % self.path()
 
     def __repr__(self):
         return "<%s %s>" % (type(self).__name__, str(self))