mirror of
https://github.com/kopia/kopia.git
synced 2026-01-27 07:48:06 -05:00
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package cli
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import (
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"context"
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"fmt"
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"github.com/pkg/errors"
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"github.com/kopia/kopia/repo"
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"github.com/kopia/kopia/repo/manifest"
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"github.com/kopia/kopia/repo/object"
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"github.com/kopia/kopia/snapshot"
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)
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var (
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snapshotDeleteCommand = snapshotCommands.Command("delete", "Explicitly delete a snapshot by providing a snapshot ID.")
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snapshotDeleteIDs = snapshotDeleteCommand.Arg("id", "Snapshot ID or root object ID to be deleted").Required().Strings()
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snapshotDeleteConfirm = snapshotDeleteCommand.Flag("delete", "Confirm deletion").Bool()
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)
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func runDeleteCommand(ctx context.Context, rep repo.Repository) error {
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for _, id := range *snapshotDeleteIDs {
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m, err := snapshot.LoadSnapshot(ctx, rep, manifest.ID(id))
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if err == nil {
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// snapshot found by manifest ID, delete it directly.
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if err = deleteSnapshot(ctx, rep, m); err != nil {
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return errors.Wrapf(err, "error deleting %v", id)
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}
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} else if !errors.Is(err, snapshot.ErrSnapshotNotFound) {
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return errors.Wrapf(err, "error loading snapshot %v", id)
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} else if err := deleteSnapshotsByRootObjectID(ctx, rep, object.ID(id)); err != nil {
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return errors.Wrapf(err, "error deleting snapshots by root ID %v", id)
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}
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}
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return nil
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}
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func deleteSnapshot(ctx context.Context, rep repo.Repository, m *snapshot.Manifest) error {
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desc := fmt.Sprintf("snapshot %v of %v at %v", m.ID, m.Source, formatTimestamp(m.StartTime))
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if !*snapshotDeleteConfirm {
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printStderr("Would delete %v (pass --delete to confirm)\n", desc)
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return nil
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}
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printStderr("Deleting %v...\n", desc)
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return rep.DeleteManifest(ctx, m.ID)
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}
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func deleteSnapshotsByRootObjectID(ctx context.Context, rep repo.Repository, rootID object.ID) error {
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ids, err := snapshot.ListSnapshotManifests(ctx, rep, nil)
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if err != nil {
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return errors.Wrap(err, "error listing snapshot manifests")
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}
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manifests, err := snapshot.LoadSnapshots(ctx, rep, ids)
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if err != nil {
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return errors.Wrap(err, "error loading snapshot manifests")
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}
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cnt := 0
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for _, m := range manifests {
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if m.RootObjectID() == rootID {
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cnt++
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if err := deleteSnapshot(ctx, rep, m); err != nil {
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return errors.Wrap(err, "error deleting")
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}
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}
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}
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if cnt == 0 {
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return errors.Errorf("no snapshots matched %v", rootID)
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}
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return nil
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}
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func init() {
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snapshotDeleteCommand.Action(repositoryAction(runDeleteCommand))
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// hidden flag for backwards compatibility
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snapshotDeleteCommand.Flag("unsafe-ignore-source", "Alias for --delete").Hidden().BoolVar(snapshotDeleteConfirm)
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}
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