1 files changed, 12 insertions, 0 deletions
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 72183108033..4571d7f0ee1 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -69,6 +69,10 @@ class Issue < ActiveRecord::Base
     }x
   end
 
+  def self.link_reference_pattern
+    super("issues", /(?<issue>\d+)/)
+  end
+
   def to_reference(from_project = nil)
     reference = "#{self.class.reference_prefix}#{iid}"
 
@@ -79,6 +83,14 @@ class Issue < ActiveRecord::Base
     reference
   end
 
+  def referenced_merge_requests
+    Gitlab::ReferenceExtractor.lazily do
+      [self, *notes].flat_map do |note|
+        note.all_references(load_lazy_references: false).merge_requests
+      end
+    end.sort_by(&:iid)
+  end
+
   # Reset issue events cache
   #
   # Since we do cache @event we need to reset cache in special cases: