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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package util
import (
// UserHomeDir returns the current user's home directory absolute path,
// which is usually represented as `~` in most shells
func UserHomeDir() string {
if currentUser, err := user.Current(); err != nil {
logger.Log.Warnln("Cannot obtain user home directory")
} else {
return currentUser.HomeDir
return ""
// ExpandFilePath expands the leading `~` to absolute path
func ExpandFilePath(path string) string {
if strings.HasPrefix(path, "~") {
return strings.Replace(path, "~", UserHomeDir(), 1)
return path