Merge "Avoid repeated building of erofs image" am: 1ab1c2ff

  verity_image_builder = verity_utils.CreateVerityImageBuilder(prop_dict)

  disable_sparse = "disable_sparse" in prop_dict

  mkfs_output = None

  if (prop_dict.get("use_dynamic_partition_size") == "true" and

      "partition_size" not in prop_dict):

    # If partition_size is not defined, use output of `du' + reserved_size.

    # For compressed file system, it's better to use the compressed size to avoid wasting space.

    if fs_type.startswith("erofs"):

      tmp_dict = prop_dict.copy()

      if "erofs_sparse_flag" in tmp_dict:

        tmp_dict.pop("erofs_sparse_flag")

      BuildImageMkfs(in_dir, tmp_dict, out_file, target_out, fs_config)

      mkfs_output = BuildImageMkfs(in_dir, prop_dict, out_file, target_out, fs_config)

      if "erofs_sparse_flag" in prop_dict and not disable_sparse:

        image_path = UnsparseImage(out_file, replace=False)

        size = GetDiskUsage(image_path)

        os.remove(image_path)

      else:

        size = GetDiskUsage(out_file)

      os.remove(out_file)

    else:

      size = GetDiskUsage(in_dir)

    logger.info(

    max_image_size = verity_image_builder.CalculateMaxImageSize()

    prop_dict["image_size"] = str(max_image_size)

  if not mkfs_output:

    mkfs_output = BuildImageMkfs(in_dir, prop_dict, out_file, target_out, fs_config)

  # Check if there's enough headroom space available for ext4 image.