err() { ALL_OFF="\e[1;0m" BOLD="\e[1;1m" RED="${BOLD}\e[1;31m" local mesg=$1; shift printf "${RED}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } msg() { ALL_OFF="\e[1;0m" BOLD="\e[1;1m" GREEN="${BOLD}\e[1;32m" local mesg=$1; shift printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } post_install() { mhwd-gpu --check } post_upgrade() { mhwd-gpu --check } post_remove() { mhwd-gpu --check }