preexec_path=/etc/bash-preexec/bash-preexec.sh

post_install() {
    echo "## To finish installation source bash-preexec.sh at the end of your bashrc, e.g."
    echo '## echo "[[ -f $preexec_path ]] && source $preexec_path" >> /etc/bash.bashrc'
}

post_remove() {
    echo "## To finish removal delete bash-preexec.sh sourcing at the end of your bashrc"
}