chrome_version_info_posix.cc revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
1// Copyright (c) 2011 The Chromium 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
5#include "chrome/common/chrome_version_info.h"
6
7#include "base/strings/string_util.h"
8#include "build/build_config.h"
9
10namespace chrome {
11
12// static
13std::string VersionInfo::GetVersionStringModifier() {
14  char* env = getenv("CHROME_VERSION_EXTRA");
15  if (!env) {
16    std::string modifier;
17#if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
18    modifier = "aura";
19#endif
20    return modifier;
21  }
22  std::string modifier(env);
23
24#if defined(GOOGLE_CHROME_BUILD)
25  // Only ever return "", "unknown", "dev" or "beta" in a branded build.
26  if (modifier == "unstable")  // linux version of "dev"
27    modifier = "dev";
28  if (modifier == "stable") {
29    modifier = "";
30  } else if ((modifier == "dev") || (modifier == "beta")) {
31    // do nothing.
32  } else {
33    modifier = "unknown";
34  }
35#endif
36
37#if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
38  modifier += " aura";
39#endif
40
41  return modifier;
42}
43
44// static
45VersionInfo::Channel VersionInfo::GetChannel() {
46#if defined(GOOGLE_CHROME_BUILD)
47  std::string channel = GetVersionStringModifier();
48  // There might be suffixes after channel name (e.g. "aura"), so match just
49  // the beginning of version string modifier.
50  if (channel.empty()) {
51    return CHANNEL_STABLE;
52  } else if (StartsWithASCII(channel, "beta ", true)) {
53    return CHANNEL_BETA;
54  } else if (StartsWithASCII(channel, "dev ", true)) {
55    return CHANNEL_DEV;
56  } else if (StartsWithASCII(channel, "canary ", true)) {
57    return CHANNEL_CANARY;
58  }
59#endif
60
61  return CHANNEL_UNKNOWN;
62}
63
64}  // namespace chrome
65