Mercurial > hg > mercurial-crew-with-dirclash

diff mercurial/revlog.py @ 2002:4aab906517c6

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Calling revlog.addgroup with an empty changegroup now raises RevlogError. The empty changegroup can be caused by remote servers dying soon after findincoming, and further code in pull assumes (correctly) that there are new changesets.
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 24 Mar 2006 19:51:05 +0100
parents 736b6c96bbbc
children 74d3f5336b66
line wrap: on
line diff
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -743,7 +743,7 @@ class revlog(object):
         #track the base of the current delta log
         r = self.count()
         t = r - 1
-        node = nullid
+        node = None
 
         base = prev = -1
         start = end = measure = 0
@@ -816,6 +816,8 @@ class revlog(object):
 
         dfh.close()
         ifh.close()
+        if node is None:
+            raise RevlogError(_("group to be added is empty"))
         return node
 
     def strip(self, rev, minlink):