func MurmurHash(args ...string) string {
	h32 := murmur3.New32()
	h32.Write([]byte(strings.Join(args, ":::")))
	sum := h32.Sum32()
	return fmt.Sprintf("%x", sum)
}
TODO: remove murmurhash, use sha256 for file locks
package util
import (
	"crypto/sha256"
	"fmt"
	"strings"
	"golang.org/x/crypto/sha3"
	"github.com/spaolacci/murmur3"
)