diff -r 82864a2eb709 -r 109a22f5434a mercurial/commands.py
--- a/mercurial/commands.py	Tue Jul 25 21:22:56 2006 +0200
+++ b/mercurial/commands.py	Tue Jul 25 13:50:32 2006 -0700
@@ -2763,7 +2763,8 @@
         raise util.Abort(_("%s: unknown bundle compression type")
                          % fname)
     gen = generator(util.filechunkiter(f, 4096))
-    modheads = repo.addchangegroup(util.chunkbuffer(gen), 'unbundle')
+    modheads = repo.addchangegroup(util.chunkbuffer(gen), 'unbundle',
+                                   'bundle:' + fname)
     return postincoming(ui, repo, modheads, opts['update'])
 
 def undo(ui, repo):