Numlock hook for systemd-boot

#!/bin/bash

for tty in /dev/tty[0-9]; do
    /usr/bin/setleds -D +num < "$tty"
done

#!/bin/bash

build() {
    add_binary /bin/bash
    add_binary /usr/bin/setleds
    add_binary /usr/bin/numlock

    cat >"$BUILDROOT/usr/lib/systemd/system/numlock.service" <<EOF
[Unit]
Description=Numlock before LUKS
Before=cryptsetup-pre.target
DefaultDependencies=no
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/numlock
EOF
    add_systemd_unit cryptsetup-pre.target
    cd "$BUILDROOT/usr/lib/systemd/system/sysinit.target.wants" || exit
    ln -sf /usr/lib/systemd/system/cryptsetup-pre.target cryptsetup-pre.target
    ln -sf /usr/lib/systemd/system/numlock.service numlock.service
}

help() {
    cat <<HELPEOF
This hook adds support to enable numlock before sd-encrypt hook is run.
HELPEOF
}