Stream snapshot file listings

internal/restic/restic.go

@@ -274,20 +274,16 @@ func (r *Runner) List(ctx context.Context, repo model.Repository, snapshot, path
 	if path != "" {
 		args = append(args, path)
 	}
-	var output []byte
-	if err := r.run(ctx, repo, args, nil, &output); err != nil {
-		return nil, err
-	}
 	items := []map[string]any{}
-	scanner := bufio.NewScanner(strings.NewReader(string(output)))
-	scanner.Buffer(make([]byte, 0, 64*1024), 2*1024*1024)
-	for scanner.Scan() {
+	if err := r.run(ctx, repo, args, func(line []byte) {
 		var item map[string]any
-		if json.Unmarshal(scanner.Bytes(), &item) == nil && item["struct_type"] == "node" {
+		if json.Unmarshal(line, &item) == nil && item["struct_type"] == "node" {
 			items = append(items, item)
 		}
+	}, nil); err != nil {
+		return nil, err
 	}
-	return items, scanner.Err()
+	return items, nil
 }
 
 func (r *Runner) Diff(ctx context.Context, repo model.Repository, before, after string, limit int) (DiffResult, error) {
@@ -466,6 +462,9 @@ func (r *Runner) runWithInputEnvPassword(ctx context.Context, repo model.Reposit
 		if errors.Is(ctx.Err(), context.Canceled) {
 			return fmt.Errorf("cancelled: %w", ctx.Err())
 		}
+		if errors.Is(ctx.Err(), context.DeadlineExceeded) {
+			return fmt.Errorf("environment: Restic-Aufruf hat das Zeitlimit überschritten: %w", ctx.Err())
+		}
 		return resticError(message, err)
 	}
 	return nil