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restic/snapshot.go
2015-03-02 19:58:06 +01:00

68 lines
1.3 KiB
Go

package restic
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/restic/restic/backend"
)
type Snapshot struct {
Time time.Time `json:"time"`
Parent backend.ID `json:"parent,omitempty"`
Tree Blob `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"`
UserID string `json:"userid,omitempty"`
GroupID string `json:"groupid,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(s Server, id backend.ID) (*Snapshot, error) {
sn := &Snapshot{id: id}
err := s.LoadJSONID(backend.Snapshot, id, sn)
if err != nil {
return nil, err
}
return sn, nil
}
func (sn Snapshot) String() string {
return fmt.Sprintf("<Snapshot of %v at %s>", sn.Paths, sn.Time)
}
func (sn Snapshot) ID() backend.ID {
return sn.id
}