in dth/common.go [142:152]
func removePrefix(key, prefix *string) *string {
if prefix == nil || *prefix == "" || *prefix == "/" {
return key
}
delimiter := ""
if !strings.HasSuffix(*prefix, "/") {
delimiter = "/"
}
newkey := strings.Replace(*key, *prefix+delimiter, "", 1)
return &newkey
}