From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 4 Apr 2013 19:30:42 +0000 (-0400)
Subject: fix head only when there's no rev...
X-Git-Tag: rel_0_5_0~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cacfb1407d6458661d9d0e5e00c0253e30bb23e;p=thirdparty%2Fsqlalchemy%2Falembic.git

fix head only when there's no rev...
---

diff --git a/alembic/command.py b/alembic/command.py
index 35a4eae3..aad96911 100644
--- a/alembic/command.py
+++ b/alembic/command.py
@@ -178,8 +178,8 @@ def current(config, head_only=False):
 
         if head_only:
             config.print_stdout("%s%s" % (
-                rev.revision,
-                " (head)" if rev.is_head else ""))
+                rev.revision if rev else None,
+                " (head)" if rev and rev.is_head else ""))
 
         else:
             config.print_stdout("Current revision for %s: %s",