restic diff, stats, tag - more command which vannot handle partial snapshots

inserted check for partial snapshots

cmd/restic/cmd_diff.go

@@ -74,6 +74,10 @@ func loadSnapshot(ctx context.Context, be restic.Lister, repo restic.LoaderUnpac
 	if err != nil {
 		return nil, "", errors.Fatal(err.Error())
 	}
+	err = checkPartialSnapshot(sn, "fatal", "diff")
+	if err != nil {
+		return sn, "", err
+	}
 	return sn, subfolder, err
 }
 

cmd/restic/cmd_stats.go

@@ -29,13 +29,13 @@ func newStatsCommand() *cobra.Command {
 		Short: "Scan the repository and show basic statistics",
 		Long: `
 The "stats" command walks one or multiple snapshots in a repository
-and accumulates statistics about the data stored therein. It reports 
+and accumulates statistics about the data stored therein. It reports
 on the number of unique files and their sizes, according to one of
 the counting modes as given by the --mode flag.
 
 It operates on all snapshots matching the selection criteria or all
 snapshots if nothing is specified. The special snapshot ID "latest"
-is also supported. Some modes make more sense over 
+is also supported. Some modes make more sense over
 just a single snapshot, while others are useful across all snapshots,
 depending on what you are trying to calculate.
 
@@ -130,6 +130,10 @@ func runStats(ctx context.Context, opts StatsOptions, gopts GlobalOptions, args
 	}
 
 	for sn := range FindFilteredSnapshots(ctx, snapshotLister, repo, &opts.SnapshotFilter, args) {
+		err = checkPartialSnapshot(sn, "fatal", "stats")
+		if err != nil {
+			return err
+		}
 		err = statsWalkSnapshot(ctx, sn, repo, opts, stats)
 		if err != nil {
 			return fmt.Errorf("error walking snapshot: %v", err)

cmd/restic/cmd_tag.go

@@ -157,6 +157,10 @@ func runTag(ctx context.Context, opts TagOptions, gopts GlobalOptions, term *ter
 	}
 
 	for sn := range FindFilteredSnapshots(ctx, repo, repo, &opts.SnapshotFilter, args) {
+		err := checkPartialSnapshot(sn, "fatal", "tag")
+		if err != nil {
+			return err
+		}
 		changed, err := changeTags(ctx, repo, sn, opts.SetTags.Flatten(), opts.AddTags.Flatten(), opts.RemoveTags.Flatten(), printFunc)
 		if err != nil {
 			Warnf("unable to modify the tags for snapshot ID %q, ignoring: %v\n", sn.ID(), err)