set(CMAKE_PREMISES_PATH "${CMAKE_CURRENT_LIST_DIR}/CMakePremises")

unset(GIT CACHE)
find_program(GIT git)
if(${GIT} STREQUAL "GIT-NOTFOUND")
    message(FATAL_ERROR "Git not found. Add it to PATH and try again")
endif()

macro(git)
    execute_process(
        COMMAND ${GIT} ${ARGN}
        ERROR_VARIABLE ERROR_MESSAGE
        RESULT_VARIABLE ERROR_CODE)

    if(NOT ${ERROR_CODE} EQUAL 0)
        message(FATAL_ERROR "${ERROR_MESSAGE}")
    endif()
endmacro()

function(clone_CMakePremises)
    git(
        clone ssh://slb1-swt@vs-ssh.visualstudio.com:22/OLGA/_ssh/CMakePremises ${CMAKE_PREMISES_PATH}
        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
endfunction()

function(update_CMakePremises)
    git(
        fetch --all
        WORKING_DIRECTORY ${CMAKE_PREMISES_PATH})
    git(
        reset --hard HEAD
        WORKING_DIRECTORY ${CMAKE_PREMISES_PATH})
endfunction()

if(EXISTS ${CMAKE_PREMISES_PATH})
    update_CMakePremises()
else()
    clone_CMakePremises()
endif()

file(WRITE "${CMAKE_PREMISES_PATH}/.gitignore" "*")

include(${CMAKE_CURRENT_LIST_DIR}/CMakePremises/Dependencies.cmake)