1 files changed, 5 insertions, 0 deletions
diff --git a/lib/gitlab/git_access_wiki.rb b/lib/gitlab/git_access_wiki.rb
index 1fe5155c093..98f1f45b338 100644
--- a/lib/gitlab/git_access_wiki.rb
+++ b/lib/gitlab/git_access_wiki.rb
@@ -1,6 +1,7 @@
 module Gitlab
   class GitAccessWiki < GitAccess
     ERROR_MESSAGES = {
+      read_only:     "You can't push code to a read-only GitLab instance.",
       write_to_wiki: "You are not allowed to write to this project's wiki."
     }.freeze
 
@@ -17,6 +18,10 @@ module Gitlab
         raise UnauthorizedError, ERROR_MESSAGES[:write_to_wiki]
       end
 
+      if Gitlab::Database.read_only?
+        raise UnauthorizedError, ERROR_MESSAGES[:read_only]
+      end
+
       true
     end
   end