From fe0e365c1c0c07addba5b3527e37b49e5d2d027e Mon Sep 17 00:00:00 2001
From: r888888888 <r888888888@gmail.com>
Date: Thu, 6 Jun 2013 16:29:24 -0700
Subject: [PATCH] make strip_source more robust

---
 app/models/post.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/models/post.rb b/app/models/post.rb
index 5c78d9261..72bab1ae9 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -14,7 +14,7 @@ class Post < ActiveRecord::Base
   before_save :create_tags
   before_save :update_tag_post_counts
   before_save :set_tag_counts
-  before_save :strip_source
+  before_validation :strip_source
   before_validation :initialize_uploader, :on => :create
   before_validation :parse_pixiv_id
   before_validation :blank_out_nonexistent_parents
@@ -1139,7 +1139,7 @@ class Post < ActiveRecord::Base
   end
 
   def strip_source
-    self.source = source.strip
+    self.source = source.try(:strip)
   end
 end