Update language after doing all other operations

app/services/git_push_service.rb

@@ -43,13 +43,14 @@ class GitPushService < BaseService
       @push_commits = @project.repository.commits_between(params[:oldrev], params[:newrev])
       process_commit_messages
     end
-    # Checks if the main language has changed in the project and if so
-    # it updates it accordingly
-    update_main_language
     # Update merge requests that may be affected by this push. A new branch
     # could cause the last commit of a merge request to change.
     update_merge_requests
 
+    # Checks if the main language has changed in the project and if so
+    # it updates it accordingly
+    update_main_language
+
     perform_housekeeping
   end