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 10 namespace chrome { 11 12 namespace { 13 14 // Helper function to return both the channel enum and modifier string. 15 // Implements both together to prevent their behavior from diverging, which has 16 // happened multiple times in the past. 17 VersionInfo::Channel GetChannelImpl(std::string* modifier_out) { 18 VersionInfo::Channel channel = VersionInfo::CHANNEL_UNKNOWN; 19 std::string modifier; 20 21 char* env = getenv("CHROME_VERSION_EXTRA"); 22 if (env) 23 modifier = env; 24 25 #if defined(GOOGLE_CHROME_BUILD) 26 // Only ever return "", "unknown", "dev" or "beta" in a branded build. 27 if (modifier == "unstable") // linux version of "dev" 28 modifier = "dev"; 29 if (modifier == "stable") { 30 channel = VersionInfo::CHANNEL_STABLE; 31 modifier = ""; 32 } else if (modifier == "dev") { 33 channel = VersionInfo::CHANNEL_DEV; 34 } else if (modifier == "beta") { 35 channel = VersionInfo::CHANNEL_BETA; 36 } else { 37 modifier = "unknown"; 38 } 39 #endif 40 41 if (modifier_out) 42 modifier_out->swap(modifier); 43 44 return channel; 45 } 46 47 } // namespace 48 49 // static 50 std::string VersionInfo::GetVersionStringModifier() { 51 std::string modifier; 52 GetChannelImpl(&modifier); 53 return modifier; 54 } 55 56 // static 57 VersionInfo::Channel VersionInfo::GetChannel() { 58 return GetChannelImpl(NULL); 59 } 60 61 } // namespace chrome 62