| // Copyright 2011 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_BUILD_TIME_H_ |
| #define BASE_BUILD_TIME_H_ |
| |
| #include "base/generated_build_date.h" |
| #include "base/time/time.h" |
| |
| namespace base { |
| |
| // GetBuildTime returns the time at which the current binary was built, |
| // rounded down to 5:00:00am at the start of the day in UTC. |
| // |
| // This uses a generated file, which doesn't trigger a rebuild when the time |
| // changes. It will, however, be updated whenever //build/util/LASTCHANGE |
| // changes. |
| // |
| // This value should only be considered accurate to within a day. |
| // It will always be in the past. |
| // |
| // Note: If the build is not official (i.e. is_official_build = false) |
| // this time will be set to 5:00:00am on the most recent first Sunday |
| // of a month. |
| constexpr Time GetBuildTime() { |
| // BASE_GENERATED_BUILD_DATE_TIMESTAMP is a Unix timestamp value. See |
| // //base/write_build_date_header.py and //build/compute_build_timestamp.py |
| // for details. On non-official builds, this will be first Sunday of the month |
| // at 5:00am UTC. |
| return Time::FromTimeT(BASE_GENERATED_BUILD_DATE_TIMESTAMP); |
| } |
| |
| } // namespace base |
| |
| #endif // BASE_BUILD_TIME_H_ |
