repository: set progress bar maximum in Repack

cmd/restic/cmd_copy.go

@@ -243,9 +243,7 @@ func copyTree(ctx context.Context, srcRepo restic.Repository, dstRepo restic.Rep
 	}
 
 	bar := printer.NewCounter("packs copied")
-	bar.SetMax(uint64(len(packList)))
 	err = repository.Repack(ctx, srcRepo, dstRepo, packList, copyBlobs, bar, printer.P)
-	bar.Done()
 	if err != nil {
 		return errors.Fatalf("%s", err)
 	}

internal/repository/prune.go

@@ -563,9 +563,7 @@ func (plan *PrunePlan) Execute(ctx context.Context, printer progress.Printer) er
 	if len(plan.repackPacks) != 0 {
 		printer.P("repacking packs\n")
 		bar := printer.NewCounter("packs repacked")
-		bar.SetMax(uint64(len(plan.repackPacks)))
 		err := Repack(ctx, repo, repo, plan.repackPacks, plan.keepBlobs, bar, printer.P)
-		bar.Done()
 		if err != nil {
 			return errors.Fatalf("%s", err)
 		}

internal/repository/repack.go

@@ -42,6 +42,8 @@ func Repack(
 	if logf == nil {
 		logf = func(_ string, _ ...interface{}) {}
 	}
+	p.SetMax(uint64(len(packs)))
+	defer p.Done()
 
 	if repo == dstRepo && dstRepo.Connections() < 2 {
 		return errors.New("repack step requires a backend connection limit of at least two")