# HG changeset patch
# User Dirkjan Ochtman <dirkjan@ochtman.nl>
# Date 1221228901 -7200
# Node ID 20a5dd5d6dd93744bcd60a5afe98e95556925818
# Parent  b84d273862854bfc92c5cd2b4fd6c8f53ba10240
hgweb: let the web graph cope with low revisions/new repositories (issue1293)

diff -r b84d27386285 -r 20a5dd5d6dd9 mercurial/graphmod.py
--- a/mercurial/graphmod.py	Fri Sep 05 17:28:37 2008 +0200
+++ b/mercurial/graphmod.py	Fri Sep 12 16:15:01 2008 +0200
@@ -27,6 +27,7 @@
     """
 
     assert start_rev >= stop_rev
+    assert stop_rev >= 0
     curr_rev = start_rev
     revs = []
     cl = repo.changelog
diff -r b84d27386285 -r 20a5dd5d6dd9 mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py	Fri Sep 05 17:28:37 2008 +0200
+++ b/mercurial/hgweb/webcommands.py	Fri Sep 12 16:15:01 2008 +0200
@@ -588,7 +588,7 @@
     count = len(web.repo)
     changenav = webutil.revnavgen(rev, maxchanges, count, web.repo.changectx)
 
-    tree = list(graphmod.graph(web.repo, rev, rev - revcount))
+    tree = list(graphmod.graph(web.repo, rev, downrev))
     canvasheight = (len(tree) + 1) * bg_height - 27;
 
     data = []