objcopy_update_hook

#!/bin/sh
objcopy --add-section .osrel=/etc/os-release --change-section-vma .osrel=0x20000 --add-section .cmdline=/boot/efistub/cmdline.txt --change-section-vma .cmdline=0x30000 --add-section .linux=/boot/vmlinuz --change-section-vma .linux=0x40000 --add-section .initrd=/boot/initrd.img --change-section-vma .initrd=0x3000000 -S /usr/lib/systemd/boot/efi/linuxx64.efi.stub /boot/efistub/kernel.efi

if [ -d /boot/efikeys ]
    then
    sbsign --key /boot/efikeys/db.key --cert /boot/efikeys/db.crt --output /boot/efistub/kernel.efi /boot/efistub/kernel.efi
    sync
    sbverify --cert /boot/efikeys/db.crt /boot/efistub/kernel.efi
fi

knf="`sudo readlink /boot/vmlinuz`"
knb="`sudo basename $knf`"

cp -f /boot/efistub/kernel.efi /boot/efistub/kernel.$knb.efi
cp -f /boot/efistub/kernel.efi /boot/efi/EFI/Mint/kernel.efi
cp -f /boot/efistub/kernel.efi /boot/efi/EFI/Boot/Bootx64.efi