#.rst
# IgnGenerateVersionInfo
# ----------------------
#
# Intended to be invoked as part of the ign_add_version_info_target function
# in IgnBenchmark.
#
# Populates information in the version_info.json file.
#
#===============================================================================
# Copyright (C) 2019 Open Source Robotics Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Retrieve information about the mercurial state.
execute_process(
  COMMAND hg id --id
  WORKING_DIRECTORY ${repository_root}
  OUTPUT_VARIABLE HG_GLOBAL_REVISION
  OUTPUT_STRIP_TRAILING_WHITESPACE
)
execute_process(
  COMMAND hg id --num
  WORKING_DIRECTORY ${repository_root}
  OUTPUT_VARIABLE HG_REVISION_NUM
  OUTPUT_STRIP_TRAILING_WHITESPACE
)
execute_process(
  COMMAND hg id --branch
  WORKING_DIRECTORY ${repository_root}
  OUTPUT_VARIABLE HG_BRANCH
  OUTPUT_STRIP_TRAILING_WHITESPACE
)

# Set time that this build occurred.
# Adding a dependency to this target will cause this file to be generated
# with each build, updating the timestamp accordingly.
string(TIMESTAMP build_time UTC)

# Retrieve information about the host system
# Ref: https://cmake.org/cmake/help/latest/command/cmake_host_system_information.html
cmake_host_system_information(RESULT NUM_LOGICAL QUERY NUMBER_OF_LOGICAL_CORES)
cmake_host_system_information(RESULT NUM_PHYSICAL QUERY NUMBER_OF_PHYSICAL_CORES)
cmake_host_system_information(RESULT HOST QUERY HOSTNAME)
cmake_host_system_information(RESULT FQDN QUERY FQDN)
cmake_host_system_information(RESULT TOTAL_VIRTUAL QUERY TOTAL_VIRTUAL_MEMORY)
cmake_host_system_information(RESULT AVAILABLE_VIRTUAL QUERY AVAILABLE_VIRTUAL_MEMORY)
cmake_host_system_information(RESULT TOTAL_PHYSICAL QUERY TOTAL_PHYSICAL_MEMORY)
cmake_host_system_information(RESULT AVAILABLE_PHYSICAL QUERY AVAILABLE_PHYSICAL_MEMORY)
cmake_host_system_information(RESULT PROC_NAME QUERY PROCESSOR_NAME)
cmake_host_system_information(RESULT PROC_DESC QUERY PROCESSOR_DESCRIPTION)
cmake_host_system_information(RESULT PROC_SERIAL QUERY PROCESSOR_SERIAL_NUMBER)
cmake_host_system_information(RESULT OS_NAME QUERY OS_NAME)
cmake_host_system_information(RESULT OS_RELEASE QUERY OS_RELEASE)
cmake_host_system_information(RESULT OS_VERSION QUERY OS_VERSION)
cmake_host_system_information(RESULT OS_PLATFORM QUERY OS_PLATFORM)

configure_file(${input_file} ${output_file})
