# HG changeset patch
# User Brendan Cully <brendan@kublai.com>
# Date 1162344282 28800
# Node ID 437489d8dfbf0d05fc1b68650d100b69a8ad2d89
# Parent  ef9c515836aee1ea42a488fb71a22bdafbe35217
mq: handle qpush -a with empty series

diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -1731,6 +1731,8 @@ def push(ui, repo, patch=None, **opts):
     mergeq = None
 
     if opts['all']:
+        if not q.series:
+            raise util.Abort(_('no patches in series'))
         patch = q.series[-1]
     if opts['merge']:
         if opts['name']: