functions


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# *-*-shell-*-*

msg() {
    # bold
    printf "\033[1m=> $@\033[m"
}

msg_ok() {
    # bold/green
    printf "\033[1m\033[32m OK\033[m\n"
}

msg_error() {
    # bold/red
    printf "\033[1m\033[31mERROR: $@\033[m\n"
}

msg_warn() {
    # bold/yellow
    printf "\033[1m\033[33mWARNING: $@\033[m"
}

emergency_shell() {
    echo
    echo "Cannot continue due to errors above, starting emergency shell."
    echo "When ready type exit to continue booting."
    /bin/sh -l
}

detect_virt() {
    # Detect LXC containers
   if grep -q lxc /proc/self/environ >/dev/null; then
       export VIRTUALIZATION=1
   fi
}