Fix workhorse temp path for namespace uploads

app/uploaders/namespace_file_uploader.rb

@@ -21,6 +21,10 @@ class NamespaceFileUploader < FileUploader
     File.join(model.id.to_s)
   end
 
+  def self.workhorse_local_upload_path
+    File.join(options.storage_path, 'uploads', TMP_UPLOAD_PATH)
+  end
+
   # Re-Override
   def store_dir
     store_dirs[object_store]

changelogs/unreleased/fix-namespace-upload.yml

@@ -0,0 +1,5 @@
+---
+title: Fix workhorse temp path for namespace uploads
+merge_request: 21650
+author:
+type: fixed

spec/uploaders/namespace_file_uploader_spec.rb

@@ -40,6 +40,12 @@ describe NamespaceFileUploader do
     end
   end
 
+  describe '#workhorse_local_upload_path' do
+    it 'returns the correct path in uploads directory' do
+      expect(described_class.workhorse_local_upload_path).to end_with('/uploads/tmp/uploads')
+    end
+  end
+
   describe "#migrate!" do
     before do
       uploader.store!(fixture_file_upload(File.join('spec/fixtures/doc_sample.txt')))