From 4dee0f70bf59222ed3e4e22249db5a8e6667e57f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20Ka=CC=88ser?= <mail@michelkaeser.ch>
Date: Tue, 11 Aug 2015 21:57:35 +0200
Subject: [PATCH] fix cloning producing an invalid image name

---
 ipynbsrv/core/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipynbsrv/core/models.py b/ipynbsrv/core/models.py
index bd959b3..ade260d 100644
--- a/ipynbsrv/core/models.py
+++ b/ipynbsrv/core/models.py
@@ -776,7 +776,7 @@ class ContainerImage(models.Model):
         max_length=75,
         validators=[
             RegexValidator(
-                regex='^[A-z][\w\/]*$',
+                regex='^[A-z][\w\/-]*$',
                 message='Invalid container snapshot name.'
             )
         ]