info.cmake

if(NOT INFO_GIT_DIR)
  set(INFO_GIT_DIR ${PROJECT_SOURCE_DIR})
endif()
set(GIT_EXECUTABLE git)
set(DATE_EXECUTABLE date)

cmake_host_system_information(RESULT HOSTNAME QUERY HOSTNAME)
set(USERNAME $ENV{USERNAME})
set(BUILD_USER "${USERNAME}@${HOSTNAME}")

execute_process(
  COMMAND "${DATE_EXECUTABLE}" "+%Y-%m-%d %H:%M:%S %z"
  OUTPUT_VARIABLE BUILD_DATE
  OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)

execute_process(
  COMMAND "${DATE_EXECUTABLE}" "+%s"
  OUTPUT_VARIABLE BUILD_TIME
  OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)

execute_process(
  COMMAND "${GIT_EXECUTABLE}" describe --always --dirty --broken
          --match=:NoMatchGivesMeTheHash: --abbrev=0
  WORKING_DIRECTORY "${INFO_GIT_DIR}"
  OUTPUT_VARIABLE GIT_COMMIT_HASH
  OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)

execute_process(
  COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty --broken
  WORKING_DIRECTORY "${INFO_GIT_DIR}"
  OUTPUT_VARIABLE GIT_COMMIT_DESCRIBE
  OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)

configure_file("${PROJECT_SOURCE_DIR}/src/info.c.in" src/info.c)