Merge branch 'master' into issue_14800

# Conflicts:
#	app/assets/stylesheets/framework/variables.scss

1 files changed, 2 insertions, 2 deletions

diff --git a/app/models/commit.rb b/app/models/commit.rb
index d0dbe009d0d..d09876a07d9 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -74,14 +74,14 @@ class Commit
   #
   # This pattern supports cross-project references.
   def self.reference_pattern
-    %r{
+    @reference_pattern ||= %r{
       (?:#{Project.reference_pattern}#{reference_prefix})?
       (?<commit>\h{7,40})
     }x
   end
 
   def self.link_reference_pattern
-    super("commit", /(?<commit>\h{7,40})/)
+    @link_reference_pattern ||= super("commit", /(?<commit>\h{7,40})/)
   end
 
   def to_reference(from_project = nil)