Add latest changes from gitlab-org/gitlab@17-11-stable-ee

app/controllers/projects/commits_controller.rb

@@ -70,7 +70,7 @@ class Projects::CommitsController < Projects::ApplicationController
   end
 
   def validate_path
-    return unless @path
+    return if @path.blank?
 
     path_exists = @repository.blob_at(@commit.id, @path) || @repository.tree(@commit.id, @path).entries.present?
     redirect_to_tree_root_for_missing_path(@project, @ref, @path) unless path_exists

spec/controllers/projects/commits_controller_spec.rb

@@ -88,6 +88,16 @@ RSpec.describe Projects::CommitsController, feature_category: :source_code_manag
         end
       end
 
+      context 'when branch has only empty commits' do
+        let(:id) { 'empty-branch' }
+
+        it 'allows to see commits' do
+          request
+
+          is_expected.to respond_with(:success)
+        end
+      end
+
       context "with an invalid limit" do
         let(:id) { "master/README.md" }