Set ( CPPCORE_REPOSITORY https://git.bergmann89.de/cpp/cppcore.git )
Set ( CPPCORE_COMMIT master )
Set ( CPPCORE_CHECKOUT_DIR ${CMAKE_BINARY_DIR}/sources/cppcore )

# Clone Repository
If ( NOT EXISTS ${CPPCORE_CHECKOUT_DIR} )
    Execute_Process ( COMMAND
                        git clone ${CPPCORE_REPOSITORY} ${CPPCORE_CHECKOUT_DIR}
                      RESULT_VARIABLE
                        CLONE_RET )
    If ( NOT ${CLONE_RET} EQUAL 0 )
        Return ( )
    EndIf ( )
EndIf ( )

# Checkout Specific Commit
Execute_Process ( COMMAND
                    git -C ${CPPCORE_CHECKOUT_DIR} -c advice.detachedHead=false checkout origin/${CPPCORE_COMMIT}
                  COMMAND
                    git -C ${CPPCORE_CHECKOUT_DIR} submodule update --init --recursive
                  RESULT_VARIABLE
                    CHECKOUT_RET )
If ( NOT ${CHECKOUT_RET} EQUAL 0 )
    Return ( )
EndIf ( )

# Include Cloned Repository
Include             ( ${CMAKE_CURRENT_LIST_DIR}/modules/cmake/find_local_module.cmake )
FindLocalModule     ( cppcore ${CPPCORE_CHECKOUT_DIR} )

# Create Alias Targets
If                  ( NOT TARGET cppcore::cppcore )
    Add_Library         ( cppcore::cppcore ALIAS cppcore )
EndIf               ( )