package main import ( "fmt" "os" "path/filepath" ) func main() { pwd, err := os.Getwd() if err != nil { fmt.Println("can not get current working directory") os.Exit(1) } pkg := filepath.Base(pwd) if pkg == "v2ray-core" { pkg = "core" } file, err := os.OpenFile("errors.generated.go", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0644) if err != nil { fmt.Printf("Failed to generate errors.generated.go: %v", err) os.Exit(1) } defer file.Close() fmt.Fprintf(file, `package %s import "github.com/v2fly/v2ray-core/v4/common/errors" type errPathObjHolder struct{} func newError(values ...interface{}) *errors.Error { return errors.New(values...).WithPathObj(errPathObjHolder{}) } `, pkg) }