boot2label

#!/bin/bash
#Boot to drive by label

if [ "$#" -ne 1 ]; then
    echo "Usage: `basename $0` labelOfDriveToBoot"
    exit
fi

if [ "$(id -u)" != "0" ]; then
    exec sudo "$0" "$@"
fi

label="$1"

partitionUUIDofLabel=$(lsblk -no label,partuuid | grep -B 99 $label | grep EFI | tail -n1 | awk '{print $2}')
efiBootNumber=$(efibootmgr | grep $partitionUUIDofLabel | awk -F* '{print $1}' | awk -F"Boot" '{print $2}')

efibootmgr -n $efiBootNumber

reboot