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