rclone/backend/alias/alias.go
Nick Craig-Wood 7b975bc1ff alias: Fix handling of Windows network paths
Before this fix, the alias backend would mangle Windows paths like
//server/drive as it was treating them as unix paths.

See https://forum.rclone.org/t/smb-share-alias/6857
2018-09-21 18:24:21 +01:00

60 lines
1.5 KiB
Go

package alias
import (
"errors"
"path"
"path/filepath"
"strings"
"github.com/ncw/rclone/fs"
"github.com/ncw/rclone/fs/config/configmap"
"github.com/ncw/rclone/fs/config/configstruct"
)
// Register with Fs
func init() {
fsi := &fs.RegInfo{
Name: "alias",
Description: "Alias for a existing remote",
NewFs: NewFs,
Options: []fs.Option{{
Name: "remote",
Help: "Remote or path to alias.\nCan be \"myremote:path/to/dir\", \"myremote:bucket\", \"myremote:\" or \"/local/path\".",
Required: true,
}},
}
fs.Register(fsi)
}
// Options defines the configuration for this backend
type Options struct {
Remote string `config:"remote"`
}
// NewFs contstructs an Fs from the path.
//
// The returned Fs is the actual Fs, referenced by remote in the config
func NewFs(name, root string, m configmap.Mapper) (fs.Fs, error) {
// Parse config into Options struct
opt := new(Options)
err := configstruct.Set(m, opt)
if err != nil {
return nil, err
}
if opt.Remote == "" {
return nil, errors.New("alias can't point to an empty remote - check the value of the remote setting")
}
if strings.HasPrefix(opt.Remote, name+":") {
return nil, errors.New("can't point alias remote at itself - check the value of the remote setting")
}
_, configName, fsPath, err := fs.ParseRemote(opt.Remote)
if err != nil {
return nil, err
}
if configName == "local" {
root = filepath.Join(fsPath, root)
return fs.NewFs(root)
}
root = path.Join(fsPath, filepath.ToSlash(root))
return fs.NewFs(configName + ":" + root)
}