Memoize reference_pattern/link_reference_patternmemoize-pattern-methods

These methods are called quite often in loops so by memoizing their
output we can reduce timings a bit.

1 files changed, 2 insertions, 2 deletions

diff --git a/app/models/snippet.rb b/app/models/snippet.rb
index b9e835a4486..b96e3937281 100644
--- a/app/models/snippet.rb
+++ b/app/models/snippet.rb
@@ -56,14 +56,14 @@ class Snippet < ActiveRecord::Base
   #
   # This pattern supports cross-project references.
   def self.reference_pattern
-    %r{
+    @reference_pattern ||= %r{
       (#{Project.reference_pattern})?
       #{Regexp.escape(reference_prefix)}(?<snippet>\d+)
     }x
   end
 
   def self.link_reference_pattern
-    super("snippets", /(?<snippet>\d+)/)
+    @link_reference_pattern ||= super("snippets", /(?<snippet>\d+)/)
   end
 
   def to_reference(from_project = nil)