TrueCloudLab/restic
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tag: output the original ID and new snapshotID

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This commit is contained in:
Srigovind Nayak 2024-11-16 15:45:17 +05:30
parent 1133498ef8
commit 7d74a20fe8
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GPG key ID: 09006810B7263D69
1 changed files with 24 additions and 5 deletions
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29
cmd/restic/cmd_tag.go
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@ -2,6 +2,7 @@ package main
import (
"context"
"encoding/json"
"github.com/spf13/cobra"
@ -58,7 +59,12 @@ func init() {
initMultiSnapshotFilter(tagFlags, &tagOptions.SnapshotFilter, true)
}
func changeTags(ctx context.Context, repo *repository.Repository, sn *restic.Snapshot, setTags, addTags, removeTags []string) (bool, error) {
type changedSnapshot struct {
Original restic.ID `json:"original"`
New restic.ID `json:"new"`
}
func changeTags(ctx context.Context, repo *repository.Repository, sn *restic.Snapshot, setTags, addTags, removeTags []string) (*changedSnapshot, bool, error) {
var changed bool
if len(setTags) != 0 {
@ -84,19 +90,21 @@ func changeTags(ctx context.Context, repo *repository.Repository, sn *restic.Sna
// Save the new snapshot.
id, err := restic.SaveSnapshot(ctx, repo, sn)
if err != nil {
return false, err
return nil, false, err
}
debug.Log("new snapshot saved as %v", id)
// Remove the old snapshot.
if err = repo.RemoveUnpacked(ctx, restic.SnapshotFile, *sn.ID()); err != nil {
return false, err
return nil, false, err
}
debug.Log("old snapshot %v removed", sn.ID())
return &changedSnapshot{Original: *sn.ID(), New: id}, changed, nil
}
return changed, nil
return nil, false, nil
}
func runTag(ctx context.Context, opts TagOptions, gopts GlobalOptions, args []string) error {
@ -115,23 +123,34 @@ func runTag(ctx context.Context, opts TagOptions, gopts GlobalOptions, args []st
defer unlock()
changeCnt := 0
changedSnapshots := make([]changedSnapshot, 0)
for sn := range FindFilteredSnapshots(ctx, repo, repo, &opts.SnapshotFilter, args) {
changed, err := changeTags(ctx, repo, sn, opts.SetTags.Flatten(), opts.AddTags.Flatten(), opts.RemoveTags.Flatten())
changedSnapshot, changed, err := changeTags(ctx, repo, sn, opts.SetTags.Flatten(), opts.AddTags.Flatten(), opts.RemoveTags.Flatten())
if err != nil {
Warnf("unable to modify the tags for snapshot ID %q, ignoring: %v\n", sn.ID(), err)
continue
}
if changed {
changeCnt++
changedSnapshots = append(changedSnapshots, *changedSnapshot)
}
}
if ctx.Err() != nil {
return ctx.Err()
}
if changeCnt == 0 {
Verbosef("no snapshots were modified\n")
} else {
Verbosef("modified tags on %v snapshots\n", changeCnt)
}
if gopts.JSON {
json.NewEncoder(gopts.stdout).Encode(changedSnapshots)
} else {
for _, changedSnapshot := range changedSnapshots {
Printf("%v -> %v\n", changedSnapshot.Original, changedSnapshot.New)
}
}
return nil
}