Add access to Blob's language from gitattributes

Ported from Highlight class since it as a concept is more related to
blob, and this allows more flexibility.

1 files changed, 7 insertions, 0 deletions

diff --git a/app/models/blob.rb b/app/models/blob.rb
index 31a839274b5..e5854415dd2 100644
--- a/app/models/blob.rb
+++ b/app/models/blob.rb
@@ -184,6 +184,13 @@ class Blob < SimpleDelegator
     Gitlab::FileDetector.type_of(path) || Gitlab::FileDetector.type_of(name)
   end
 
+  def language_from_gitattributes
+    return nil unless project
+
+    repository = project.repository
+    repository.gitattribute(path, 'gitlab-language')
+  end
+
   def video?
     UploaderHelper::VIDEO_EXT.include?(extension)
   end