112 lines
2.7 KiB
Go
112 lines
2.7 KiB
Go
// This file was originally part of the project "LURE - Linux User REpository", created by Elara Musayelyan.
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// It has been modified as part of "ALR - Any Linux Repository" by the ALR Authors.
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//
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// ALR - Any Linux Repository
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// Copyright (C) 2025 The ALR Authors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package osutils
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import (
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"io"
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"os"
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"path/filepath"
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)
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// Move attempts to use os.Rename and if that fails (such as for a cross-device move),
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// it instead copies the source to the destination and then removes the source.
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func Move(sourcePath, destPath string) error {
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// Try to rename the source to the destination
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err := os.Rename(sourcePath, destPath)
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if err == nil {
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return nil // Successful move
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}
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// Rename failed, so copy the source to the destination
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err = copyDirOrFile(sourcePath, destPath)
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if err != nil {
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return err
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}
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// Copy successful, remove the original source
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err = os.RemoveAll(sourcePath)
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if err != nil {
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return err
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}
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return nil
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}
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func copyDirOrFile(sourcePath, destPath string) error {
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sourceInfo, err := os.Stat(sourcePath)
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if err != nil {
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return err
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}
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switch {
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case sourceInfo.IsDir():
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return copyDir(sourcePath, destPath, sourceInfo)
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case sourceInfo.Mode().IsRegular():
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return copyFile(sourcePath, destPath, sourceInfo)
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default:
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return nil
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}
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}
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func copyDir(sourcePath, destPath string, sourceInfo os.FileInfo) error {
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err := os.MkdirAll(destPath, sourceInfo.Mode())
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if err != nil {
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return err
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}
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entries, err := os.ReadDir(sourcePath)
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if err != nil {
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return err
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}
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for _, entry := range entries {
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sourceEntry := filepath.Join(sourcePath, entry.Name())
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destEntry := filepath.Join(destPath, entry.Name())
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err = copyDirOrFile(sourceEntry, destEntry)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func copyFile(sourcePath, destPath string, sourceInfo os.FileInfo) error {
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sourceFile, err := os.Open(sourcePath)
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if err != nil {
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return err
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}
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defer sourceFile.Close()
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destFile, err := os.OpenFile(destPath, os.O_CREATE|os.O_TRUNC|os.O_RDWR, sourceInfo.Mode())
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if err != nil {
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return err
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}
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defer destFile.Close()
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_, err = io.Copy(destFile, sourceFile)
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if err != nil {
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return err
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}
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return nil
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}
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