Merge branch 'sh-fix-refs-controller-header-response' into 'master'

Coerce More-Logs-Offset HTTP header value to a string

See merge request gitlab-org/gitlab!32705

app/controllers/projects/refs_controller.rb

@@ -53,7 +53,7 @@ class Projects::RefsController < Projects::ApplicationController
       format.json do
         logs, next_offset = tree_summary.fetch_logs
 
-        response.headers["More-Logs-Offset"] = next_offset if next_offset
+        response.headers["More-Logs-Offset"] = next_offset.to_s if next_offset
 
         render json: logs
       end

spec/controllers/projects/refs_controller_spec.rb

@@ -73,7 +73,7 @@ describe Projects::RefsController do
 
         cache_key = "projects/#{project.id}/logs/#{project.commit.id}/#{path}/25"
         expect(Rails.cache.fetch(cache_key)).to eq(['logs', 50])
-        expect(response.headers['More-Logs-Offset']).to eq(50)
+        expect(response.headers['More-Logs-Offset']).to eq("50")
       end
     end
   end