# HG changeset patch
# User Brendan Cully <brendan@kublai.com>
# Date 1151696122 -7200
# Node ID c49dc6f38a197d0da8a5a4d9666d30c7e6eb3a3a
# Parent  c1974f65d781f35b0a6c7ad9a7a87d1a6d66e2b4
hgk: Don't choke on empty changelogs

diff --git a/hgext/hgk.py b/hgext/hgk.py
--- a/hgext/hgk.py
+++ b/hgext/hgk.py
@@ -131,7 +131,7 @@ def catcommit(repo, n, prefix, changes=N
     date_ar = changes[2]
     date = int(float(date_ar[0]))
     lines = changes[4].splitlines()
-    if lines[-1].startswith('committer:'):
+    if lines and lines[-1].startswith('committer:'):
         committer = lines[-1].split(': ')[1].rstrip()
     else:
         committer = changes[1]