chrome/common/channel_info_posix.cc

   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/channel_info.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "build/build_config.h"
   9 #include "components/version_info/version_info.h"
  10
  11 namespace chrome {
  12
  13 namespace {
  14
  15 // Helper function to return both the channel enum and modifier string.
  16 // Implements both together to prevent their behavior from diverging, which has
  17 // happened multiple times in the past.
  18 version_info::Channel GetChannelImpl(std::string* modifier_out) {
  19   version_info::Channel channel = version_info::Channel::UNKNOWN;
  20   std::string modifier;
  21
  22   char* env = getenv("CHROME_VERSION_EXTRA");
  23   if (env)
  24     modifier = env;
  25
  26 #if defined(GOOGLE_CHROME_BUILD)
  27   // Only ever return "", "unknown", "dev" or "beta" in a branded build.
  28   if (modifier == "unstable")  // linux version of "dev"
  29     modifier = "dev";
  30   if (modifier == "stable") {
  31     channel = version_info::Channel::STABLE;
  32     modifier = "";
  33   } else if (modifier == "dev") {
  34     channel = version_info::Channel::DEV;
  35   } else if (modifier == "beta") {
  36     channel = version_info::Channel::BETA;
  37   } else {
  38     modifier = "unknown";
  39   }
  40 #endif
  41
  42   if (modifier_out)
  43     modifier_out->swap(modifier);
  44
  45   return channel;
  46 }
  47
  48 }  // namespace
  49
  50 std::string GetChannelString() {
  51   std::string modifier;
  52   GetChannelImpl(&modifier);
  53   return modifier;
  54 }
  55
  56 version_info::Channel GetChannel() {
  57   return GetChannelImpl(nullptr);
  58 }
  59
  60 }  // namespace chrome