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backend/alias/alias.go
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albertony
build: add package comments to silence revive linter
28 авг 2022, 14:43
28 авг 2022, 14:43
555def2
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// Package alias implements a virtual provider to rename existing remotes. package alias import ( "context" "errors" "strings" "github.com/rclone/rclone/fs" "github.com/rclone/rclone/fs/cache" "github.com/rclone/rclone/fs/config/configmap" "github.com/rclone/rclone/fs/config/configstruct" "github.com/rclone/rclone/fs/fspath" ) // Register with Fs func init() { fsi := &fs.RegInfo{ Name: "alias", Description: "Alias for an existing remote", NewFs: NewFs, Options: []fs.Option{{ Name: "remote", Help: "Remote or path to alias.\n\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 constructs an Fs from the path. // // The returned Fs is the actual Fs, referenced by remote in the config func NewFs(ctx context.Context, 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") } return cache.Get(ctx, fspath.JoinRootPath(opt.Remote, root)) }