mirror of https://github.com/restic/restic.git
81 lines
1.3 KiB
Go
81 lines
1.3 KiB
Go
package khepri
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import (
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"encoding/json"
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"os"
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"os/user"
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"time"
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)
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type Snapshot struct {
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Time time.Time `json:"time"`
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Tree ID `json:"tree"`
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Dir string `json:"dir"`
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Hostname string `json:"hostname,omitempty"`
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Username string `json:"username,omitempty"`
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UID string `json:"uid,omitempty"`
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GID string `json:"gid,omitempty"`
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}
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func NewSnapshot(dir string) *Snapshot {
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sn := &Snapshot{
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Dir: dir,
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Time: time.Now(),
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}
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hn, err := os.Hostname()
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if err == nil {
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sn.Hostname = hn
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}
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usr, err := user.Current()
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if err == nil {
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sn.Username = usr.Username
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sn.UID = usr.Uid
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sn.GID = usr.Gid
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}
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return sn
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}
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func (sn *Snapshot) Save(repo *Repository) (ID, error) {
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if sn.Tree == nil {
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panic("Snapshot.Save() called with nil tree id")
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}
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obj, id_ch, err := repo.Create(TYPE_REF)
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if err != nil {
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return nil, err
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}
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enc := json.NewEncoder(obj)
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err = enc.Encode(sn)
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if err != nil {
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return nil, err
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}
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err = obj.Close()
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if err != nil {
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return nil, err
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}
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return <-id_ch, nil
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}
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func LoadSnapshot(repo *Repository, id ID) (*Snapshot, error) {
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rd, err := repo.Get(TYPE_REF, id)
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if err != nil {
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return nil, err
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}
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dec := json.NewDecoder(rd)
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sn := &Snapshot{}
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err = dec.Decode(sn)
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if err != nil {
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return nil, err
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}
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return sn, nil
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}
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