# HG changeset patch
# User Steve Losh <steve@stevelosh.com>
# Date 1257713578 18000
# Node ID 272a76c50002dfe2d13eb0f421eac48edee91806
# Parent  e1c8340a2a3a0dac524c6da7f649af471b4ff206
Fix a possible edge-case bug with {tip}.

diff -r e1c8340a2a3a -r 272a76c50002 prompt.py
--- a/prompt.py	Sun Nov 08 15:50:53 2009 -0500
+++ b/prompt.py	Sun Nov 08 15:52:58 2009 -0500
@@ -211,6 +211,7 @@
         
         rev = parents[parent].rev() if parent is not None else -1
         return _with_groups(out_g, str(rev)) if rev >= 0 else ''
+    
     def _tip(m):
         g = m.groups()
         out_g = (g[0],) + (g[-1],)
@@ -218,9 +219,10 @@
         format = short if '|short' in g else hex
         
         tip = repo[len(repo) - 1]
+        rev = tip.rev()
         tip = format(tip.node()) if '|node' in g else tip.rev()
         
-        return _with_groups(out_g, str(tip)) if tip >= 0 else ''
+        return _with_groups(out_g, str(tip)) if rev >= 0 else ''
     
     def _node(m):
         g = m.groups()