// Copyright 2022 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package util import (	"io"	"os") // CopyFile copies file from source to target path.func CopyFile(src, dest string) error {	si, err := os.Lstat(src)	if err != nil {		return err	} 	sr, err := os.Open(src)	if err != nil {		return err	}	defer sr.Close() 	dw, err := os.Create(dest)	if err != nil {		return err	}	defer dw.Close() 	if _, err = io.Copy(dw, sr); err != nil {		return err	} 	if err = os.Chtimes(dest, si.ModTime(), si.ModTime()); err != nil {		return err	}	return os.Chmod(dest, si.Mode())}