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      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 "build/build_config.h"
      8 
      9 namespace chrome {
     10 
     11 // static
     12 std::string VersionInfo::GetVersionStringModifier() {
     13   char* env = getenv("CHROME_VERSION_EXTRA");
     14   if (!env) {
     15     std::string modifier;
     16 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
     17     modifier = "aura";
     18 #endif
     19     return modifier;
     20   }
     21   std::string modifier(env);
     22 
     23 #if defined(GOOGLE_CHROME_BUILD)
     24   // Only ever return "", "unknown", "dev" or "beta" in a branded build.
     25   if (modifier == "unstable")  // linux version of "dev"
     26     modifier = "dev";
     27   if (modifier == "stable") {
     28     modifier = "";
     29   } else if ((modifier == "dev") || (modifier == "beta")) {
     30     // do nothing.
     31   } else {
     32     modifier = "unknown";
     33   }
     34 #endif
     35 
     36 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
     37   modifier += " aura";
     38 #endif
     39 
     40   return modifier;
     41 }
     42 
     43 // static
     44 VersionInfo::Channel VersionInfo::GetChannel() {
     45 #if defined(GOOGLE_CHROME_BUILD)
     46   std::string channel = GetVersionStringModifier();
     47   if (channel.empty()) {
     48     return CHANNEL_STABLE;
     49   } else if (channel == "beta") {
     50     return CHANNEL_BETA;
     51   } else if (channel == "dev") {
     52     return CHANNEL_DEV;
     53   } else if (channel == "canary") {
     54     return CHANNEL_CANARY;
     55   }
     56 #endif
     57 
     58   return CHANNEL_UNKNOWN;
     59 }
     60 
     61 }  // namespace chrome
     62