version.cmake

# This script reads version from vcpkg.json (source of truth) and sets it to $ODE_VERSION etc.

file(STRINGS vcpkg.json ODE_VCPKG_JSON)

string(REGEX MATCH "\"version\"[ \t\n\r]*:[ \t\n\r]*\"[^\"]*\"" ODE_TMP_VERSION_PAIR ${ODE_VCPKG_JSON})
string(REGEX REPLACE "\"version\"[ \t\n\r]*:[ \t\n\r]*\"([^\"]*)\"" "\\1" ODE_VERSION ${ODE_TMP_VERSION_PAIR})
string(REGEX REPLACE "^([0-9]*)\\.([0-9]*)\\.([0-9]*)" "\\1" ODE_VERSION_MAJOR ${ODE_VERSION})
string(REGEX REPLACE "^([0-9]*)\\.([0-9]*)\\.([0-9]*)" "\\2" ODE_VERSION_MINOR ${ODE_VERSION})
string(REGEX REPLACE "^([0-9]*)\\.([0-9]*)\\.([0-9]*)" "\\3" ODE_VERSION_REVISION ${ODE_VERSION})

string(REGEX MATCH "\"builtin-baseline\"[ \t\n\r]*:[ \t\n\r]*\"[^\"]*\"" ODE_TMP_BUILTIN_BASELINE_PAIR ${ODE_VCPKG_JSON})
string(REGEX REPLACE "\"builtin-baseline\"[ \t\n\r]*:[ \t\n\r]*\"([^\"]*)\"" "\\1" ODE_VCPKG_BUILTIN_BASELINE ${ODE_TMP_BUILTIN_BASELINE_PAIR})

if(NOT DEFINED ODE_BUILD_COMMIT_TAG)
    execute_process(COMMAND git describe --tags WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" RESULT_VARIABLE ODE_TMP_NON_TAG OUTPUT_VARIABLE ODE_BUILD_COMMIT_TAG OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
    if((ODE_TMP_NON_TAG AND NOT ODE_TMP_NON_TAG EQUAL 0) OR NOT ODE_BUILD_COMMIT_TAG)
        execute_process(COMMAND git describe --tags --always WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" OUTPUT_VARIABLE ODE_TMP_COMMIT_DESC OUTPUT_STRIP_TRAILING_WHITESPACE)
        execute_process(COMMAND git show -s --format=%cs WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" OUTPUT_VARIABLE ODE_TMP_COMMIT_DATE OUTPUT_STRIP_TRAILING_WHITESPACE)
        string(REPLACE "-" "" ODE_TMP_COMMIT_DATE_SQUISHED ${ODE_TMP_COMMIT_DATE})
        set(ODE_BUILD_COMMIT_TAG "${ODE_TMP_COMMIT_DESC}-${ODE_TMP_COMMIT_DATE_SQUISHED}")
        unset(ODE_TMP_COMMIT_DESC)
        unset(ODE_TMP_COMMIT_DATE)
        unset(ODE_TMP_COMMIT_DATE_SQUISHED)
    endif()
    unset(ODE_TMP_NON_TAG)
endif()

if(NOT DEFINED ODE_NPM_VERSION)
    if(DEFINED ENV{ODE_NPM_VERSION})
        set(ODE_NPM_VERSION $ENV{ODE_NPM_VERSION})
    else()
        if("${ODE_BUILD_COMMIT_TAG}" STREQUAL "v${ODE_VERSION}")
            set(ODE_NPM_VERSION "${ODE_VERSION}")
        else()
            string(REPLACE "^v${ODE_VERSION}-" "" ODE_TMP_COMMIT_TAG_SUFFIX_A "^${ODE_BUILD_COMMIT_TAG}")
            string(REPLACE "^" "" ODE_TMP_COMMIT_TAG_SUFFIX "${ODE_TMP_COMMIT_TAG_SUFFIX_A}")
            set(ODE_NPM_VERSION "${ODE_VERSION}-${ODE_TMP_COMMIT_TAG_SUFFIX}")
            unset(ODE_TMP_COMMIT_TAG_SUFFIX)
            unset(ODE_TMP_COMMIT_TAG_SUFFIX_A)
        endif()
    endif()
endif()
string(TIMESTAMP ODE_BUILD_DATE "%Y-%m-%d")

unset(ODE_TMP_VERSION_PAIR)
unset(ODE_TMP_BUILTIN_BASELINE_PAIR)
unset(ODE_VCPKG_JSON)