// Copyright © 2014 Steve Francia <spf@spf13.com>. // Copyright 2013 tsuru authors. All rights reserved. // // Licensed 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 // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package afero import ( "os" "time" ) var _ Lstater = (*OsFs)(nil) // OsFs is a Fs implementation that uses functions provided by the os package. // // For details in any method, check the documentation of the os package // (http://golang.org/pkg/os/). type OsFs struct{} func NewOsFs() Fs { return &OsFs{} } func (OsFs) Name() string { return "OsFs" } func (OsFs) Create(name string) (File, error) { f, e := os.Create(name) if f == nil { // while this looks strange, we need to return a bare nil (of type nil) not // a nil value of type *os.File or nil won't be nil return nil, e } return f, e } func (OsFs) Mkdir(name string, perm os.FileMode) error { return os.Mkdir(name, perm) } func (OsFs) MkdirAll(path string, perm os.FileMode) error { return os.MkdirAll(path, perm) } func (OsFs) Open(name string) (File, error) { f, e := os.Open(name) if f == nil { // while this looks strange, we need to return a bare nil (of type nil) not // a nil value of type *os.File or nil won't be nil return nil, e } return f, e } func (OsFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) { f, e := os.OpenFile(name, flag, perm) if f == nil { // while this looks strange, we need to return a bare nil (of type nil) not // a nil value of type *os.File or nil won't be nil return nil, e } return f, e } func (OsFs) Remove(name string) error { return os.Remove(name) } func (OsFs) RemoveAll(path string) error { return os.RemoveAll(path) } func (OsFs) Rename(oldname, newname string) error { return os.Rename(oldname, newname) } func (OsFs) Stat(name string) (os.FileInfo, error) { return os.Stat(name) } func (OsFs) Chmod(name string, mode os.FileMode) error { return os.Chmod(name, mode) } func (OsFs) Chown(name string, uid, gid int) error { return os.Chown(name, uid, gid) } func (OsFs) Chtimes(name string, atime time.Time, mtime time.Time) error { return os.Chtimes(name, atime, mtime) } func (OsFs) LstatIfPossible(name string) (os.FileInfo, bool, error) { fi, err := os.Lstat(name) return fi, true, err } func (OsFs) SymlinkIfPossible(oldname, newname string) error { return os.Symlink(oldname, newname) } func (OsFs) ReadlinkIfPossible(name string) (string, error) { return os.Readlink(name) }