Rollback project folder move after error in Projects::TransferService
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@ -12,87 +12,121 @@ module Projects
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TransferError = Class.new(StandardError)
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TransferError = Class.new(StandardError)
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def execute(new_namespace)
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def execute(new_namespace)
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if new_namespace.blank?
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@new_namespace = new_namespace
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if @new_namespace.blank?
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raise TransferError, 'Please select a new namespace for your project.'
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raise TransferError, 'Please select a new namespace for your project.'
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end
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end
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unless allowed_transfer?(current_user, project, new_namespace)
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unless allowed_transfer?(current_user, project)
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raise TransferError, 'Transfer failed, please contact an admin.'
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raise TransferError, 'Transfer failed, please contact an admin.'
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end
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end
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transfer(project, new_namespace)
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transfer(project)
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true
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rescue Projects::TransferService::TransferError => ex
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rescue Projects::TransferService::TransferError => ex
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project.reload
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project.reload
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project.errors.add(:new_namespace, ex.message)
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project.errors.add(:new_namespace, ex.message)
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false
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false
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end
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end
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def transfer(project, new_namespace)
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private
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old_namespace = project.namespace
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def transfer(project)
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@old_path = project.path_with_namespace
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@old_group = project.group
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@new_path = File.join(@new_namespace.try(:full_path) || '', project.path)
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@old_namespace = project.namespace
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if Project.where(path: project.path, namespace_id: @new_namespace.try(:id)).exists?
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raise TransferError.new("Project with same path in target namespace already exists")
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end
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if project.has_container_registry_tags?
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# We currently don't support renaming repository if it contains tags in container registry
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raise TransferError.new('Project cannot be transferred, because tags are present in its container registry')
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end
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attempt_transfer_transaction
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end
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def attempt_transfer_transaction
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Project.transaction do
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Project.transaction do
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old_path = project.path_with_namespace
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project.expire_caches_before_rename(@old_path)
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old_group = project.group
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new_path = File.join(new_namespace.try(:full_path) || '', project.path)
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if Project.where(path: project.path, namespace_id: new_namespace.try(:id)).present?
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update_namespace_and_visibility(@new_namespace)
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raise TransferError.new("Project with same path in target namespace already exists")
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end
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if project.has_container_registry_tags?
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# we currently doesn't support renaming repository if it contains tags in container registry
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raise TransferError.new('Project cannot be transferred, because tags are present in its container registry')
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end
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project.expire_caches_before_rename(old_path)
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# Apply new namespace id and visibility level
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project.namespace = new_namespace
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project.visibility_level = new_namespace.visibility_level unless project.visibility_level_allowed_by_group?
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project.save!
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# Notifications
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# Notifications
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project.send_move_instructions(old_path)
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project.send_move_instructions(@old_path)
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# Move main repository
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# Move main repository
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unless gitlab_shell.mv_repository(project.repository_storage_path, old_path, new_path)
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unless move_repo_folder(@old_path, @new_path)
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raise TransferError.new('Cannot move project')
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raise TransferError.new('Cannot move project')
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end
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end
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# Move wiki repo also if present
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# Move wiki repo also if present
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gitlab_shell.mv_repository(project.repository_storage_path, "#{old_path}.wiki", "#{new_path}.wiki")
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move_repo_folder("#{@old_path}.wiki", "#{@new_path}.wiki")
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# Move missing group labels to project
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# Move missing group labels to project
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Labels::TransferService.new(current_user, old_group, project).execute
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Labels::TransferService.new(current_user, @old_group, project).execute
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# Move uploads
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# Move uploads
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Gitlab::UploadsTransfer.new.move_project(project.path, old_namespace.full_path, new_namespace.full_path)
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Gitlab::UploadsTransfer.new.move_project(project.path, @old_namespace.full_path, @new_namespace.full_path)
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# Move pages
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# Move pages
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Gitlab::PagesTransfer.new.move_project(project.path, old_namespace.full_path, new_namespace.full_path)
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Gitlab::PagesTransfer.new.move_project(project.path, @old_namespace.full_path, @new_namespace.full_path)
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project.old_path_with_namespace = old_path
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project.old_path_with_namespace = @old_path
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SystemHooksService.new.execute_hooks_for(project, :transfer)
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execute_system_hooks
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end
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end
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rescue Exception # rubocop:disable Lint/RescueException
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refresh_permissions(old_namespace, new_namespace)
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rollback_side_effects
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raise
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true
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ensure
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refresh_permissions
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end
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end
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def allowed_transfer?(current_user, project, namespace)
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def allowed_transfer?(current_user, project)
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namespace &&
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@new_namespace &&
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can?(current_user, :change_namespace, project) &&
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can?(current_user, :change_namespace, project) &&
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namespace.id != project.namespace_id &&
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@new_namespace.id != project.namespace_id &&
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current_user.can?(:create_projects, namespace)
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current_user.can?(:create_projects, @new_namespace)
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end
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end
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def refresh_permissions(old_namespace, new_namespace)
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def update_namespace_and_visibility(to_namespace)
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# Apply new namespace id and visibility level
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project.namespace = to_namespace
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project.visibility_level = to_namespace.visibility_level unless project.visibility_level_allowed_by_group?
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project.save!
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end
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def refresh_permissions
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# This ensures we only schedule 1 job for every user that has access to
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# This ensures we only schedule 1 job for every user that has access to
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# the namespaces.
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# the namespaces.
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user_ids = old_namespace.user_ids_for_project_authorizations |
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user_ids = @old_namespace.user_ids_for_project_authorizations |
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new_namespace.user_ids_for_project_authorizations
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@new_namespace.user_ids_for_project_authorizations
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UserProjectAccessChangedService.new(user_ids).execute
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UserProjectAccessChangedService.new(user_ids).execute
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end
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end
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def rollback_side_effects
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rollback_folder_move
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update_namespace_and_visibility(@old_namespace)
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end
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def rollback_folder_move
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move_repo_folder(@new_path, @old_path)
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move_repo_folder("#{@new_path}.wiki", "#{@old_path}.wiki")
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end
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def move_repo_folder(from_name, to_name)
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gitlab_shell.mv_repository(project.repository_storage_path, from_name, to_name)
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end
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def execute_system_hooks
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SystemHooksService.new.execute_hooks_for(project, :transfer)
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end
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end
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end
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end
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end
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@ -0,0 +1,4 @@
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---
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title: Rollback project repo move if there is an error in Projects::TransferService
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merge_request: 11877
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author:
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@ -19,6 +19,67 @@ describe Projects::TransferService, services: true do
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it { expect(project.namespace).to eq(group) }
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it { expect(project.namespace).to eq(group) }
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end
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end
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context 'when transfer succeeds' do
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before do
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group.add_owner(user)
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end
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it 'sends notifications' do
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expect_any_instance_of(NotificationService).to receive(:project_was_moved)
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transfer_project(project, user, group)
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end
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it 'executes system hooks' do
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expect_any_instance_of(Projects::TransferService).to receive(:execute_system_hooks)
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transfer_project(project, user, group)
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end
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end
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context 'when transfer fails' do
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let!(:original_path) { project_path(project) }
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def attempt_project_transfer
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expect do
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transfer_project(project, user, group)
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end.to raise_error(ActiveRecord::ActiveRecordError)
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end
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before do
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group.add_owner(user)
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expect_any_instance_of(Labels::TransferService).to receive(:execute).and_raise(ActiveRecord::StatementInvalid, "PG ERROR")
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end
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def project_path(project)
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File.join(project.repository_storage_path, "#{project.path_with_namespace}.git")
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end
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def current_path
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project_path(project)
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end
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it 'rolls back repo location' do
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attempt_project_transfer
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expect(Dir.exist?(original_path)).to be_truthy
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expect(original_path).to eq current_path
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end
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it "doesn't send move notifications" do
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expect_any_instance_of(NotificationService).not_to receive(:project_was_moved)
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attempt_project_transfer
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end
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it "doesn't run system hooks" do
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expect_any_instance_of(Projects::TransferService).not_to receive(:execute_system_hooks)
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attempt_project_transfer
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end
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end
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context 'namespace -> no namespace' do
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context 'namespace -> no namespace' do
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before do
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before do
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@result = transfer_project(project, user, nil)
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@result = transfer_project(project, user, nil)
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