// However, if the os.Stderr (or os.Stdout) file descriptors are
	// passed on, the hanging adb subprocess will hold them open and
	// go test will hang forever.
	//
	// Avoid that by wrapping stderr, breaking the short circuit and
	// forcing cmd.Run to use another pipe and goroutine to pass
	// along stderr from adb.
	cmd.Stderr = struct{ io.Writer }{os.Stderr}
	err := cmd.Run()

			if ei.V2Obj.Size != size {
				return fmt.Errorf("size mismatch. Meta size: %d", ei.V2Obj.Size)
			}
		} else {
			return err
		}
		if len(b) < 32 {
			return fmt.Errorf("file %s too short", file)
		}
		// Trim hash. Fine for inline data, since only one block.
		b = b[32:]

		set := parityData[data]
		if set == nil {
			set = make(map[int][]byte)
		}
		set[idx] = b