archboot/usr/lib/initcpio/install/archboot_motd

#!/usr/bin/env bash
# Created by Tobias Powalowski <tpowa@archlinux.org>

build ()
{
    ### generate motd
    MOTD=$(mktemp /var/tmp/motd.XXXX)
    echo "Welcome to Arch Linux (archboot environment)" >> ${MOTD}
    echo "--------------------------------------------" >> ${MOTD}
    echo "Consoles:" >> ${MOTD}
    echo "  - Virtual consoles 1-6 are active." >> ${MOTD}
    echo "  - To change virtual console use ALT + F(1-6)" >> ${MOTD}
if [ "$(echo "${HOOKS[@]}" | grep archboot_keymap)" ]; then
    echo "Change keymap:" >> ${MOTD}
    echo "  - To change to a non-US keymap, type 'km' at the console." >> ${MOTD}
fi
if [ "$(echo "${HOOKS[@]}" | grep archboot_tz)" ]; then
    echo "Change time and date:" >> ${MOTD}
    echo "  - To change your time and date, type 'tz' at the console." >> ${MOTD}
fi
if [ "$(echo "${HOOKS[@]}" | grep archboot_installer)" ]; then
    echo "Normal Setup:" >> ${MOTD}
    echo "  - On first login setup is launched automatically." >> ${MOTD}
    echo "  - Please run 'setup' again to install Arch Linux if you left setup." >> ${MOTD}
    echo "  - vc7 is used for setup logging." >> ${MOTD}
    echo "  - Run update-installer.sh to get update options of installer." >> ${MOTD}
    echo "For Experts:" >> ${MOTD}
    echo "  - Use 'quickinst' to install and bypass the setup routine." >> ${MOTD}
fi
    chmod 644 ${MOTD}
    add_file "${MOTD}" "/etc/motd"
}

help ()
{
cat <<HELPEOF
  This hook sets up dynamically the motd message, depending on
  your system.
HELPEOF
}