mirror of https://github.com/octoleo/restic.git
80 lines
1.3 KiB
Go
80 lines
1.3 KiB
Go
package backend
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import (
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"fmt"
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"github.com/restic/restic/internal/errors"
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)
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// FileType is the type of a file in the backend.
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type FileType uint8
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// These are the different data types a backend can store.
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const (
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PackFile FileType = 1 + iota
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KeyFile
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LockFile
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SnapshotFile
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IndexFile
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ConfigFile
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)
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func (t FileType) String() string {
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s := "invalid"
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switch t {
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case PackFile:
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// Spelled "data" instead of "pack" for historical reasons.
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s = "data"
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case KeyFile:
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s = "key"
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case LockFile:
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s = "lock"
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case SnapshotFile:
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s = "snapshot"
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case IndexFile:
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s = "index"
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case ConfigFile:
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s = "config"
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}
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return s
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}
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// Handle is used to store and access data in a backend.
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type Handle struct {
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Type FileType
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IsMetadata bool
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Name string
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}
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func (h Handle) String() string {
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name := h.Name
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if len(name) > 10 {
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name = name[:10]
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}
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return fmt.Sprintf("<%s/%s>", h.Type, name)
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}
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// Valid returns an error if h is not valid.
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func (h Handle) Valid() error {
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switch h.Type {
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case PackFile:
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case KeyFile:
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case LockFile:
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case SnapshotFile:
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case IndexFile:
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case ConfigFile:
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default:
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return errors.Errorf("invalid Type %d", h.Type)
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}
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if h.Type == ConfigFile {
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return nil
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}
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if h.Name == "" {
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return errors.New("invalid Name")
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}
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return nil
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}
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