Hulk did something

[bytom/vapor.git] / vendor / github.com / spf13 / afero / sftpfs / sftp.go

diff --git a/vendor/github.com/spf13/afero/sftpfs/sftp.go b/vendor/github.com/spf13/afero/sftpfs/sftp.go
new file mode 100644 (file)
index 0000000..28721da
--- /dev/null
+++ b/vendor/github.com/spf13/afero/sftpfs/sftp.go
@@ -0,0 +1,129 @@
+// Copyright © 2015 Jerry Jacobs <jerry.jacobs@xor-gate.org>.
+//
+// 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 sftpfs
+
+import (
+       "os"
+       "time"
+
+       "github.com/pkg/sftp"
+       "github.com/spf13/afero"
+)
+
+// Fs is a afero.Fs implementation that uses functions provided by the sftp package.
+//
+// For details in any method, check the documentation of the sftp package
+// (github.com/pkg/sftp).
+type Fs struct {
+       client *sftp.Client
+}
+
+func New(client *sftp.Client) afero.Fs {
+       return &Fs{client: client}
+}
+
+func (s Fs) Name() string { return "sftpfs" }
+
+func (s Fs) Create(name string) (afero.File, error) {
+       return FileCreate(s.client, name)
+}
+
+func (s Fs) Mkdir(name string, perm os.FileMode) error {
+       err := s.client.Mkdir(name)
+       if err != nil {
+               return err
+       }
+       return s.client.Chmod(name, perm)
+}
+
+func (s Fs) MkdirAll(path string, perm os.FileMode) error {
+       // Fast path: if we can tell whether path is a directory or file, stop with success or error.
+       dir, err := s.Stat(path)
+       if err == nil {
+               if dir.IsDir() {
+                       return nil
+               }
+               return err
+       }
+
+       // Slow path: make sure parent exists and then call Mkdir for path.
+       i := len(path)
+       for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
+               i--
+       }
+
+       j := i
+       for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
+               j--
+       }
+
+       if j > 1 {
+               // Create parent
+               err = s.MkdirAll(path[0:j-1], perm)
+               if err != nil {
+                       return err
+               }
+       }
+
+       // Parent now exists; invoke Mkdir and use its result.
+       err = s.Mkdir(path, perm)
+       if err != nil {
+               // Handle arguments like "foo/." by
+               // double-checking that directory doesn't exist.
+               dir, err1 := s.Lstat(path)
+               if err1 == nil && dir.IsDir() {
+                       return nil
+               }
+               return err
+       }
+       return nil
+}
+
+func (s Fs) Open(name string) (afero.File, error) {
+       return FileOpen(s.client, name)
+}
+
+func (s Fs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
+       return nil, nil
+}
+
+func (s Fs) Remove(name string) error {
+       return s.client.Remove(name)
+}
+
+func (s Fs) RemoveAll(path string) error {
+       // TODO have a look at os.RemoveAll
+       // https://github.com/golang/go/blob/master/src/os/path.go#L66
+       return nil
+}
+
+func (s Fs) Rename(oldname, newname string) error {
+       return s.client.Rename(oldname, newname)
+}
+
+func (s Fs) Stat(name string) (os.FileInfo, error) {
+       return s.client.Stat(name)
+}
+
+func (s Fs) Lstat(p string) (os.FileInfo, error) {
+       return s.client.Lstat(p)
+}
+
+func (s Fs) Chmod(name string, mode os.FileMode) error {
+       return s.client.Chmod(name, mode)
+}
+
+func (s Fs) Chtimes(name string, atime time.Time, mtime time.Time) error {
+       return s.client.Chtimes(name, atime, mtime)
+}