forget: return error if no policy was specified

This commit is contained in:
Michael Eischer 2024-04-14 22:46:49 +02:00
parent 090549c486
commit d8ba7c0889
1 changed files with 39 additions and 43 deletions

View File

@ -210,62 +210,58 @@ func runForget(ctx context.Context, opts ForgetOptions, pruneOptions PruneOption
Tags: opts.KeepTags,
}
if policy.Empty() && len(args) == 0 {
if !gopts.JSON {
Verbosef("no policy was specified, no snapshots will be removed\n")
}
if policy.Empty() {
return fmt.Errorf("no policy was specified, no snapshots will be removed")
}
if !policy.Empty() {
if !gopts.JSON {
Verbosef("Applying Policy: %v\n", policy)
}
if !gopts.JSON {
Verbosef("Applying Policy: %v\n", policy)
}
for k, snapshotGroup := range snapshotGroups {
if gopts.Verbose >= 1 && !gopts.JSON {
err = PrintSnapshotGroupHeader(globalOptions.stdout, k)
if err != nil {
return err
}
}
var key restic.SnapshotGroupKey
if json.Unmarshal([]byte(k), &key) != nil {
for k, snapshotGroup := range snapshotGroups {
if gopts.Verbose >= 1 && !gopts.JSON {
err = PrintSnapshotGroupHeader(globalOptions.stdout, k)
if err != nil {
return err
}
}
var fg ForgetGroup
fg.Tags = key.Tags
fg.Host = key.Hostname
fg.Paths = key.Paths
var key restic.SnapshotGroupKey
if json.Unmarshal([]byte(k), &key) != nil {
return err
}
keep, remove, reasons := restic.ApplyPolicy(snapshotGroup, policy)
var fg ForgetGroup
fg.Tags = key.Tags
fg.Host = key.Hostname
fg.Paths = key.Paths
if !policy.Empty() && len(keep) == 0 {
return fmt.Errorf("refusing to delete last snapshot of snapshot group %v", key)
}
keep, remove, reasons := restic.ApplyPolicy(snapshotGroup, policy)
if len(keep) != 0 && !gopts.Quiet && !gopts.JSON {
Printf("keep %d snapshots:\n", len(keep))
PrintSnapshots(globalOptions.stdout, keep, reasons, opts.Compact)
Printf("\n")
}
fg.Keep = asJSONSnapshots(keep)
if !policy.Empty() && len(keep) == 0 {
return fmt.Errorf("refusing to delete last snapshot of snapshot group %v", key)
}
if len(remove) != 0 && !gopts.Quiet && !gopts.JSON {
Printf("remove %d snapshots:\n", len(remove))
PrintSnapshots(globalOptions.stdout, remove, nil, opts.Compact)
Printf("\n")
}
fg.Remove = asJSONSnapshots(remove)
if len(keep) != 0 && !gopts.Quiet && !gopts.JSON {
Printf("keep %d snapshots:\n", len(keep))
PrintSnapshots(globalOptions.stdout, keep, reasons, opts.Compact)
Printf("\n")
}
fg.Keep = asJSONSnapshots(keep)
fg.Reasons = asJSONKeeps(reasons)
if len(remove) != 0 && !gopts.Quiet && !gopts.JSON {
Printf("remove %d snapshots:\n", len(remove))
PrintSnapshots(globalOptions.stdout, remove, nil, opts.Compact)
Printf("\n")
}
fg.Remove = asJSONSnapshots(remove)
jsonGroups = append(jsonGroups, &fg)
fg.Reasons = asJSONKeeps(reasons)
for _, sn := range remove {
removeSnIDs.Insert(*sn.ID())
}
jsonGroups = append(jsonGroups, &fg)
for _, sn := range remove {
removeSnIDs.Insert(*sn.ID())
}
}
}