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fs.go
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fs.go
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// Package ifs implements case-insensitive FS lookups as a compatibility layer for Linux.
// For Windows this package calls os functions directly.
package ifs
import (
"io"
"io/fs"
"os"
"path/filepath"
)
func Stat(path string) (os.FileInfo, error) {
return os.Stat(Normalize(path))
}
type DirEntry = fs.DirEntry
func WalkDir(path string, fnc fs.WalkDirFunc) error {
return filepath.WalkDir(Normalize(path), fnc)
}
func ReadDir(path string) ([]os.DirEntry, error) {
return os.ReadDir(Normalize(path))
}
func Open(path string) (*os.File, error) {
return os.Open(Normalize(path))
}
func Create(path string) (*os.File, error) {
return os.Create(Normalize(path))
}
func OpenFile(path string, flag int) (*os.File, error) {
return os.OpenFile(Normalize(path), flag, 0644)
}
func Mkdir(path string) error {
err := os.Mkdir(Normalize(path), 0777)
if os.IsExist(err) {
err = nil
}
return err
}
func MkdirAll(path string) error {
return os.MkdirAll(Normalize(path), 0777)
}
func Remove(path string) error {
return os.Remove(Normalize(path))
}
func RemoveAll(path string) error {
return os.RemoveAll(Normalize(path))
}
func Workdir() (string, error) {
path, err := os.Getwd()
if err != nil {
return "", err
}
return Denormalize(path), nil
}
func Chdir(path string) error {
return os.Chdir(Normalize(path))
}
func Copy(src, dst string) error {
src = Normalize(src)
dst = Normalize(dst)
return copyFile(src, dst)
}
func copyFile(src, dst string) error {
r, err := os.Open(src)
if err != nil {
return err
}
defer r.Close()
w, err := os.Create(dst)
if err != nil {
return err
}
defer w.Close()
_, err = io.Copy(w, r)
if err != nil {
return err
}
return w.Close()
}
func CopyDir(src, dst string) error {
src = Normalize(src)
dst = Normalize(dst)
return copyDir(src, dst)
}
func copyDir(src, dst string) error {
list, err := os.ReadDir(src)
if err != nil {
return err
}
for _, fi := range list {
name := fi.Name()
src := filepath.Join(src, name)
dst := filepath.Join(dst, name)
if !fi.IsDir() {
if err := copyFile(src, dst); err != nil {
return err
}
} else {
if err := os.Mkdir(dst, 0755); err != nil {
return err
}
if err := copyDir(src, dst); err != nil {
return err
}
}
}
return nil
}
func Rename(src, dst string) error {
src = Normalize(src)
dst = Normalize(dst)
return os.Rename(src, dst)
}