// Copyright 2017 The Gogs Authors. All rights reserved.// Use of this source code is governed by a MIT-style// license that can be found in the LICENSE file.packagemigrationsimport("fmt""github.com/go-xorm/xorm")funcremoveInvalidProtectBranchWhitelist(x*xorm.Engine)error{exist,err:=x.IsTableExist("protect_branch_whitelist")iferr!=nil{returnfmt.Errorf("IsTableExist: %v",err)}elseif!exist{returnnil}_,err=x.Exec("DELETE FROM protect_branch_whitelist WHERE protect_branch_id = 0")returnerr}