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1// Copyright 2017 The Chromium OS Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5syntax = "proto3";
6
7package puffin.metadata;
8option optimize_for = LITE_RUNTIME;
9
10message BitExtent {
11  uint64 offset = 1;
12  uint64 length = 2;
13}
14
15message StreamInfo {
16  repeated BitExtent deflates = 1;
17  repeated BitExtent puffs = 2;
18  uint64 puff_length = 3;
19}
20
21message PatchHeader {
22  int32 version = 1;
23  StreamInfo src = 2;
24  StreamInfo dst = 3;
25  // The bsdiff patch is installed right after this protobuf.
26}