Add latest changes from gitlab-org/gitlab@13-12-stable-ee

app/controllers/projects/merge_requests/diffs_controller.rb

@@ -163,7 +163,10 @@ class Projects::MergeRequests::DiffsController < Projects::MergeRequests::Applic
   end
 
   def render_merge_ref_head_diff?
-    Gitlab::Utils.to_boolean(params[:diff_head]) && @merge_request.diffable_merge_ref? && @start_sha.nil?
+    params[:diff_id].blank? &&
+      Gitlab::Utils.to_boolean(params[:diff_head]) &&
+      @merge_request.diffable_merge_ref? &&
+      @start_sha.nil?
   end
 
   def note_positions

app/controllers/projects_controller.rb

@@ -510,7 +510,7 @@ class ProjectsController < Projects::ApplicationController
 
     # `project` calls `find_routable!`, so this will trigger the usual not-found
     # behaviour when the user isn't authorized to see the project
-    return unless project
+    return if project.nil? || performed?
 
     redirect_to(request.original_url.sub(%r{\.git/?\Z}, ''))
   end

app/models/application_setting_implementation.rb

@@ -374,6 +374,7 @@ module ApplicationSettingImplementation
   def usage_ping_enabled
     usage_ping_can_be_configured? && super
   end
+  alias_method :usage_ping_enabled?, :usage_ping_enabled
 
   def allowed_key_types
     SUPPORTED_KEY_TYPES.select do |type|

spec/controllers/projects/merge_requests/diffs_controller_spec.rb

@@ -69,6 +69,20 @@ RSpec.describe Projects::MergeRequests::DiffsController do
     end
   end
 
+  shared_examples 'show the right diff files with previous diff_id' do
+    context 'with previous diff_id' do
+      let!(:merge_request_diff_1) { merge_request.merge_request_diffs.create!(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9') }
+      let!(:merge_request_diff_2) { merge_request.merge_request_diffs.create!(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e', diff_type: :merge_head) }
+
+      subject { go(diff_id: merge_request_diff_1.id, diff_head: true) }
+
+      it 'shows the right diff files' do
+        subject
+        expect(json_response["diff_files"].size).to eq(merge_request_diff_1.files_count)
+      end
+    end
+  end
+
   let(:project) { create(:project, :repository) }
   let(:user) { create(:user) }
   let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
@@ -142,6 +156,8 @@ RSpec.describe Projects::MergeRequests::DiffsController do
 
     it_behaves_like '404 for unexistent diffable'
 
+    it_behaves_like 'show the right diff files with previous diff_id'
+
     context 'when not authorized' do
       let(:another_user) { create(:user) }
 
@@ -480,6 +496,8 @@ RSpec.describe Projects::MergeRequests::DiffsController do
 
     it_behaves_like '404 for unexistent diffable'
 
+    it_behaves_like 'show the right diff files with previous diff_id'
+
     context 'when not authorized' do
       let(:other_user) { create(:user) }
 
@@ -499,7 +517,7 @@ RSpec.describe Projects::MergeRequests::DiffsController do
 
       it_behaves_like 'serializes diffs with expected arguments' do
         let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
-        let(:expected_options) { collection_arguments(current_page: 1, total_pages: 1) }
+        let(:expected_options) { collection_arguments(current_page: 1, total_pages: 1).merge(merge_ref_head_diff: false) }
       end
 
       it_behaves_like 'successful request'
@@ -522,7 +540,7 @@ RSpec.describe Projects::MergeRequests::DiffsController do
 
       it_behaves_like 'serializes diffs with expected arguments' do
         let(:collection) { Gitlab::Diff::FileCollection::Compare }
-        let(:expected_options) { collection_arguments }
+        let(:expected_options) { collection_arguments.merge(merge_ref_head_diff: false) }
       end
 
       it_behaves_like 'successful request'

spec/controllers/projects_controller_spec.rb

@@ -375,6 +375,23 @@ RSpec.describe ProjectsController do
       end
     end
 
+    context 'when project is moved and git format is requested' do
+      let(:old_path) { project.path + 'old' }
+
+      before do
+        project.redirect_routes.create!(path: "#{project.namespace.full_path}/#{old_path}")
+
+        project.add_developer(user)
+        sign_in(user)
+      end
+
+      it 'redirects to new project path' do
+        get :show, params: { namespace_id: project.namespace, id: old_path }, format: :git
+
+        expect(response).to redirect_to(project_path(project, format: :git))
+      end
+    end
+
     context 'when the project is forked and has a repository', :request_store do
       let(:public_project) { create(:project, :public, :repository) }
       let(:other_user) { create(:user) }

spec/models/application_setting_spec.rb

@@ -363,6 +363,85 @@ RSpec.describe ApplicationSetting do
         .is_less_than(65536)
     end
 
+    describe 'usage_ping_enabled setting' do
+      shared_examples 'usage ping enabled' do
+        it do
+          expect(setting.usage_ping_enabled).to eq(true)
+          expect(setting.usage_ping_enabled?).to eq(true)
+        end
+      end
+
+      shared_examples 'usage ping disabled' do
+        it do
+          expect(setting.usage_ping_enabled).to eq(false)
+          expect(setting.usage_ping_enabled?).to eq(false)
+        end
+      end
+
+      context 'when setting is in database' do
+        context 'with usage_ping_enabled disabled' do
+          before do
+            setting.update!(usage_ping_enabled: false)
+          end
+
+          it_behaves_like 'usage ping disabled'
+        end
+
+        context 'with usage_ping_enabled enabled' do
+          before do
+            setting.update!(usage_ping_enabled: true)
+          end
+
+          it_behaves_like 'usage ping enabled'
+        end
+      end
+
+      context 'when setting is in GitLab config' do
+        context 'with usage_ping_enabled disabled' do
+          before do
+            allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(false)
+          end
+
+          it_behaves_like 'usage ping disabled'
+        end
+
+        context 'with usage_ping_enabled enabled' do
+          before do
+            allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(true)
+          end
+
+          it_behaves_like 'usage ping enabled'
+        end
+      end
+
+      context 'when setting in database false and setting in GitLab config true' do
+        before do
+          setting.update!(usage_ping_enabled: false)
+          allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(true)
+        end
+
+        it_behaves_like 'usage ping disabled'
+      end
+
+      context 'when setting database true and setting in GitLab config false' do
+        before do
+          setting.update!(usage_ping_enabled: true)
+          allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(false)
+        end
+
+        it_behaves_like 'usage ping disabled'
+      end
+
+      context 'when setting database true and setting in GitLab config true' do
+        before do
+          setting.update!(usage_ping_enabled: true)
+          allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(true)
+        end
+
+        it_behaves_like 'usage ping enabled'
+      end
+    end
+
     context 'key restrictions' do
       it 'supports all key types' do
         expect(described_class::SUPPORTED_KEY_TYPES).to contain_exactly(:rsa, :dsa, :ecdsa, :ed25519)

spec/services/submit_usage_ping_service_spec.rb

@@ -90,6 +90,14 @@ RSpec.describe SubmitUsagePingService do
     it_behaves_like 'does not run'
   end
 
+  context 'when usage ping is disabled from GitLab config file' do
+    before do
+      stub_config_setting(usage_ping_enabled: false)
+    end
+
+    it_behaves_like 'does not run'
+  end
+
   context 'when usage ping is enabled' do
     before do
       stub_usage_data_connections