preinst

#!/bin/bash

declare -a cydia
cydia=($CYDIA)

if [[ $1 == upgrade ]]; then
    if [[ ${CYDIA+@} ]]; then
        if [[ ${cydia[1]} -lt 1 ]]; then
            echo 'PLEASE RESTART CYDIA!'
            echo 'PLEASE RESTART CYDIA!'
            echo 'PLEASE RESTART CYDIA!'
        else
            eval "echo 'finish:reopen' >&${cydia[0]}"
        fi
    fi
fi

exit 0