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cmake_minimum_required(VERSION 3.5)
#
# Finds the current version of the current folder.
#
find_package(Git QUIET)
# ${CMAKE_SOURCE_DIR}/.git may be a directory or a regular file
if(GIT_FOUND AND EXISTS "${CMAKE_SOURCE_DIR}/.git")
# Make sure LC_ALL is set to something desirable
set(SAVED_LC_ALL "$ENV{LC_ALL}")
set(ENV{LC_ALL} C)
# Assume the dir is not modified
set(REV_MODIFIED 0)
# Refresh the index to make sure file stat info is in sync, then look for modifications
execute_process(COMMAND ${GIT_EXECUTABLE} update-index --refresh
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_QUIET
)
# See if git tree is modified
execute_process(COMMAND ${GIT_EXECUTABLE} diff-index HEAD
OUTPUT_VARIABLE IS_MODIFIED
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
if(NOT IS_MODIFIED STREQUAL "")
set(REV_MODIFIED 2)
endif()
# Get last commit hash
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --verify HEAD
OUTPUT_VARIABLE FULLHASH
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
ERROR_QUIET
)
set(REV_HASH "${FULLHASH}")
string(SUBSTRING "${FULLHASH}" 0 10 SHORTHASH)
# Get the last commit date
execute_process(COMMAND ${GIT_EXECUTABLE} show -s --pretty=format:%ci HEAD
OUTPUT_VARIABLE COMMITDATE
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
string(REGEX REPLACE "([0-9]+)-([0-9]+)-([0-9]+).*" "\\1\\2\\3" COMMITDATE "${COMMITDATE}")
set(REV_ISODATE "${COMMITDATE}")
string(SUBSTRING "${REV_ISODATE}" 0 4 REV_YEAR)
# Get the branch
execute_process(COMMAND ${GIT_EXECUTABLE} symbolic-ref -q HEAD
OUTPUT_VARIABLE BRANCH
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
ERROR_QUIET
)
string(REGEX REPLACE ".*/" "" BRANCH "${BRANCH}")
# Get the tag
execute_process(COMMAND ${GIT_EXECUTABLE} name-rev --name-only --tags --no-undefined HEAD
OUTPUT_VARIABLE TAG
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
ERROR_QUIET
)
string(REGEX REPLACE "\^0$" "" TAG "${TAG}")
if(REV_MODIFIED EQUAL 0)
set(HASHPREFIX "-g")
elseif(REV_MODIFIED EQUAL 2)
set(HASHPREFIX "-m")
else()
set(HASHPREFIX "-u")
endif()
# Set the version string
if(NOT TAG STREQUAL "")
set(REV_VERSION "${TAG}")
set(REV_ISTAG 1)
string(REGEX REPLACE "^[0-9.]+$" "" STABLETAG "${TAG}")
if(STABLETAG STREQUAL "")
set(REV_ISSTABLETAG 1)
else()
set(REV_ISSTABLETAG 0)
endif()
else()
set(REV_VERSION "${REV_ISODATE}-${BRANCH}${HASHPREFIX}${SHORTHASH}")
set(REV_ISTAG 0)
set(REV_ISSTABLETAG 0)
endif()
# Restore LC_ALL
set(ENV{LC_ALL} "${SAVED_LC_ALL}")
elseif(EXISTS "${CMAKE_SOURCE_DIR}/.ottdrev")
file(READ "${CMAKE_SOURCE_DIR}/.ottdrev" OTTDREV)
string(REPLACE "\n" "" OTTDREV "${OTTDREV}")
string(REPLACE "\t" ";" OTTDREV "${OTTDREV}")
list(GET OTTDREV 0 REV_VERSION)
list(GET OTTDREV 1 REV_ISODATE)
list(GET OTTDREV 2 REV_MODIFIED)
list(GET OTTDREV 3 REV_HASH)
list(GET OTTDREV 4 REV_ISTAG)
list(GET OTTDREV 5 REV_ISSTABLETAG)
list(GET OTTDREV 6 REV_YEAR)
else()
message(WARNING "No version detected; this build will NOT be network compatible")
set(REV_VERSION "norev0000")
set(REV_ISODATE "19700101")
set(REV_MODIFIED 1)
set(REV_HASH "unknown")
set(REV_ISTAG 0)
set(REV_ISSTABLETAG 0)
set(REV_YEAR "1970")
endif()
message(STATUS "Version string: ${REV_VERSION}")
if(GENERATE_OTTDREV)
message(STATUS "Generating .ottdrev")
file(WRITE ${CMAKE_SOURCE_DIR}/.ottdrev "${REV_VERSION}\t${REV_ISODATE}\t${REV_MODIFIED}\t${REV_HASH}\t${REV_ISTAG}\t${REV_ISSTABLETAG}\t${REV_YEAR}\n")
else()
message(STATUS "Generating rev.cpp")
configure_file("${CMAKE_SOURCE_DIR}/src/rev.cpp.in"
"${FIND_VERSION_BINARY_DIR}/rev.cpp")
if(WIN32)
message(STATUS "Generating ottdres.rc")
configure_file("${CMAKE_SOURCE_DIR}/src/os/windows/ottdres.rc.in"
"${FIND_VERSION_BINARY_DIR}/ottdres.rc")
endif()
message(STATUS "Generating CPackProperties.cmake")
configure_file("${CMAKE_SOURCE_DIR}/CPackProperties.cmake.in"
"${CPACK_BINARY_DIR}/CPackProperties.cmake" @ONLY)
message(STATUS "Generating Doxyfile")
configure_file("${CMAKE_SOURCE_DIR}/Doxyfile.in"
"${CPACK_BINARY_DIR}/Doxyfile")
message(STATUS "Generating Doxyfile_AI")
configure_file("${CMAKE_SOURCE_DIR}/src/script/api/Doxyfile_AI.in"
"${CPACK_BINARY_DIR}/Doxyfile_AI")
message(STATUS "Generating Doxyfile_GS")
configure_file("${CMAKE_SOURCE_DIR}/src/script/api/Doxyfile_GS.in"
"${CPACK_BINARY_DIR}/Doxyfile_GS")
endif()
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