package restic import ( "fmt" "os" "os/user" "path/filepath" "strconv" "time" "github.com/restic/restic/backend" "github.com/restic/restic/repository" ) type Snapshot struct { Time time.Time `json:"time"` Parent backend.ID `json:"parent,omitempty"` Tree backend.ID `json:"tree"` Paths []string `json:"paths"` Hostname string `json:"hostname,omitempty"` Username string `json:"username,omitempty"` UID uint32 `json:"uid,omitempty"` GID uint32 `json:"gid,omitempty"` Excludes []string `json:"excludes,omitempty"` id backend.ID // plaintext ID, used during restore } func NewSnapshot(paths []string) (*Snapshot, error) { for i, path := range paths { if p, err := filepath.Abs(path); err != nil { paths[i] = p } } sn := &Snapshot{ Paths: paths, Time: time.Now(), } hn, err := os.Hostname() if err == nil { sn.Hostname = hn } err = sn.fillUserInfo() if err != nil { return nil, err } return sn, nil } func LoadSnapshot(repo *repository.Repository, id backend.ID) (*Snapshot, error) { sn := &Snapshot{id: id} err := repo.LoadJSONUnpacked(backend.Snapshot, id, sn) if err != nil { return nil, err } return sn, nil } func (sn Snapshot) String() string { return fmt.Sprintf("", sn.Paths, sn.Time) } func (sn Snapshot) ID() backend.ID { return sn.id } func (sn *Snapshot) fillUserInfo() error { usr, err := user.Current() if err != nil { return nil } sn.Username = usr.Username uid, err := strconv.ParseInt(usr.Uid, 10, 32) if err != nil { return err } sn.UID = uint32(uid) gid, err := strconv.ParseInt(usr.Gid, 10, 32) if err != nil { return err } sn.GID = uint32(gid) return nil } // FindSnapshot takes a string and tries to find a snapshot whose ID matches // the string as closely as possible. func FindSnapshot(repo *repository.Repository, s string) (backend.ID, error) { // find snapshot id with prefix name, err := backend.Find(repo.Backend(), backend.Snapshot, s) if err != nil { return nil, err } return backend.ParseID(name) }