cmake_modules/revinfo.cmake
author nemo
Sat, 01 Mar 2014 14:52:36 -0500
changeset 10171 00f41ff0bf2d
parent 10025 ec966363adbe
child 15454 6e09555b25b4
permissions -rw-r--r--
Script might well override a static map, but can't risk it not doing it, and preview completely failing. Better to just not try it for static maps. Some script cfg might help. Could also avoid unnnecessary preview regenerations even if the script was doing nothing at all.

#detect Mercurial revision and init rev/hash information
find_program(HGCOMMAND hg)
find_program(GITCOMMAND git)
if(EXISTS ${CMAKE_SOURCE_DIR}/.hg AND HGCOMMAND AND NOT NOVERSIONINFOUPDATE)
    execute_process(COMMAND ${HGCOMMAND} identify -in
                    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
                    OUTPUT_VARIABLE internal_version
                    ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
                    )
    #check local repo status
    string(REGEX REPLACE "[^+]" "" HGCHANGED ${internal_version})
    string(REGEX REPLACE "[0-9a-zA-Z]+(.*) ([0-9]+)(.*)" "\\2" HEDGEWARS_REVISION ${internal_version})
    string(REGEX REPLACE "([0-9a-zA-Z]+)(.*) [0-9]+(.*)" "\\1" HEDGEWARS_HASH ${internal_version})

    if(HGCHANGED)
        message("*** You have uncommitted changes in your repository ***")
    endif()

    #let's assume that if you have hg you might be interested in debugging
    set(default_build_type "DEBUG")

    #write down hash and rev for easy picking should hg be missing
    file(WRITE "${CMAKE_SOURCE_DIR}/share/version_info.txt" "Hedgewars versioning information, do not modify\nrev ${HEDGEWARS_REVISION}\nhash ${HEDGEWARS_HASH}\n")
elseif(EXISTS ${CMAKE_SOURCE_DIR}/.git AND GITCOMMAND AND NOT NOVERSIONINFOUPDATE)
    execute_process(COMMAND ${GITCOMMAND} rev-parse --short HEAD
                    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
                    OUTPUT_VARIABLE HEDGEWARS_HASH
                    ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
                    )
    set(HEDGEWARS_REVISION "GIT")

    #let's assume that if you have git you might be interested in debugging
    set(default_build_type "DEBUG")

    #write down hash and rev for easy picking should hg be missing
    file(WRITE "${CMAKE_SOURCE_DIR}/share/version_info.txt" "Hedgewars versioning information, do not modify\nrev ${HEDGEWARS_REVISION}\nhash ${HEDGEWARS_HASH}\n")
else()
    set(default_build_type "RELEASE")
    # when compiling outside rev control, fetch revision and hash information from version_info.txt
    find_file(version_info version_info.txt PATH ${CMAKE_SOURCE_DIR}/share)
    if(version_info)
        file(STRINGS ${version_info} internal_version REGEX "rev")
        string(REGEX REPLACE "rev ([GIT0-9]*)" "\\1" HEDGEWARS_REVISION ${internal_version})
        file(STRINGS ${version_info} internal_version REGEX "hash")
        string(REGEX REPLACE "hash ([a-zA-Z0-9]*)" "\\1" HEDGEWARS_HASH ${internal_version})
    else()
        message(WARNING "${CMAKE_SOURCE_DIR}/share/version_info.txt not found, revision information "
                        "will be incorrect!!! Contact your source provider to fix this!")
        set(HEDGEWARS_REVISION "0000")
        set(HEDGEWARS_HASH "unknown")
    endif()
endif()