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1a40bceb1d
Use the same function to join the root paths for the wrapping remotes alias, cache and crypt. The new function fspath.JoinRootPath is equivalent to path.Join, but if the first non empty element starts with "//", this is preserved to allow Windows network path to be used in these remotes.
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package alias
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import (
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"errors"
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"strings"
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"github.com/ncw/rclone/fs"
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"github.com/ncw/rclone/fs/config/configmap"
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"github.com/ncw/rclone/fs/config/configstruct"
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"github.com/ncw/rclone/fs/fspath"
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)
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// Register with Fs
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func init() {
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fsi := &fs.RegInfo{
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Name: "alias",
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Description: "Alias for a existing remote",
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NewFs: NewFs,
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Options: []fs.Option{{
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Name: "remote",
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Help: "Remote or path to alias.\nCan be \"myremote:path/to/dir\", \"myremote:bucket\", \"myremote:\" or \"/local/path\".",
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Required: true,
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}},
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}
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fs.Register(fsi)
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}
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// Options defines the configuration for this backend
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type Options struct {
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Remote string `config:"remote"`
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}
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// NewFs contstructs an Fs from the path.
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//
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// The returned Fs is the actual Fs, referenced by remote in the config
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func NewFs(name, root string, m configmap.Mapper) (fs.Fs, error) {
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// Parse config into Options struct
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opt := new(Options)
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err := configstruct.Set(m, opt)
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if err != nil {
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return nil, err
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}
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if opt.Remote == "" {
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return nil, errors.New("alias can't point to an empty remote - check the value of the remote setting")
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}
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if strings.HasPrefix(opt.Remote, name+":") {
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return nil, errors.New("can't point alias remote at itself - check the value of the remote setting")
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}
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fsInfo, configName, fsPath, config, err := fs.ConfigFs(opt.Remote)
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if err != nil {
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return nil, err
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}
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return fsInfo.NewFs(configName, fspath.JoinRootPath(fsPath, root), config)
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}
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