string(TIMESTAMP KERNEL_VERSION_BUILD %Y%m%d UTC)

set(KERNEL_VERSION_MAJOR "0")
set(KERNEL_VERSION_MINOR "4")
set(KERNEL_VERSION_PATCH_LEVEL "11")
set(COPYRIGHT_YEAR "2018")

# KERNEL_VERSION_BUILD_TYPE is "dev" for Git builds
# or "RC1", "RC2", "" for releases.
set(KERNEL_VERSION_BUILD_TYPE "dev")

set(KERNEL_VERSION "${KERNEL_VERSION_MAJOR}.${KERNEL_VERSION_MINOR}.${KERNEL_VERSION_PATCH_LEVEL}")
if(NOT KERNEL_VERSION_BUILD_TYPE STREQUAL "")
    set(KERNEL_VERSION "${KERNEL_VERSION}-${KERNEL_VERSION_BUILD_TYPE}")
endif()

math(EXPR REACTOS_DLL_VERSION_MAJOR "${KERNEL_VERSION_MAJOR}+42")
set(DLL_VERSION_STR "${REACTOS_DLL_VERSION_MAJOR}.${KERNEL_VERSION_MINOR}.${KERNEL_VERSION_PATCH_LEVEL}")
if(NOT KERNEL_VERSION_BUILD_TYPE STREQUAL "")
    set(DLL_VERSION_STR "${DLL_VERSION_STR}-${KERNEL_VERSION_BUILD_TYPE}")
endif()

# Get Git revision through "git describe"
set(COMMIT_HASH "unknown-hash")
set(REVISION "unknown-revision")

if(EXISTS "${REACTOS_SOURCE_DIR}/.git")
    find_package(Git)
    if(GIT_FOUND)
        execute_process(
            COMMAND "${GIT_EXECUTABLE}" rev-parse HEAD
            WORKING_DIRECTORY ${REACTOS_SOURCE_DIR}
            OUTPUT_VARIABLE GIT_COMMIT_HASH
            RESULT_VARIABLE GIT_CALL_RESULT
            OUTPUT_STRIP_TRAILING_WHITESPACE
        )
        if(GIT_CALL_RESULT EQUAL 0)
            set(COMMIT_HASH "${GIT_COMMIT_HASH}")
        endif()

        execute_process(
            COMMAND "${GIT_EXECUTABLE}" describe --abbrev=7 --long --always
            WORKING_DIRECTORY ${REACTOS_SOURCE_DIR}
            OUTPUT_VARIABLE GIT_DESCRIBE_REVISION
            RESULT_VARIABLE GIT_CALL_RESULT
            OUTPUT_STRIP_TRAILING_WHITESPACE
        )
        if(GIT_CALL_RESULT EQUAL 0)
            set(REVISION "${GIT_DESCRIBE_REVISION}")
        endif()
    endif()
endif()

configure_file(sdk/include/reactos/version.h.cmake ${REACTOS_BINARY_DIR}/sdk/include/reactos/version.h)
configure_file(sdk/include/reactos/buildno.h.cmake ${REACTOS_BINARY_DIR}/sdk/include/reactos/buildno.h)