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#!/bin/sh
set -e
MAIN="http://de.archive.ubuntu.com/ubuntu/pool/main"
if [ ! -f "lx-trainer.img" ]; then
echo "error: lx-trainer.img missing"
exit 1
fi
if [ `id -u` -ne 0 ]; then
echo "sorry, must run as root"
exit 1
fi
# prepare temp space
TMPD="/tmp/tmp-lxtrainer-uefi"
rm -rf $TMPD
mkdir -p $TMPD
# download signed uefi packages from ubuntu
wget --continue $MAIN/g/grub2/grub-common_2.02~beta3-4ubuntu7_amd64.deb -O $TMPD/1.deb
wget --continue $MAIN/g/grub2-signed/grub-efi-amd64-signed_1.85+2.02~beta3-4ubuntu7_amd64.deb -O $TMPD/2.deb
wget --continue $MAIN/s/shim-signed/shim-signed_1.32+0.9+1474479173.6c180c6-1ubuntu1_amd64.deb -O $TMPD/3.deb
# unpack packages
dpkg -x $TMPD/1.deb $TMPD/1
dpkg -x $TMPD/2.deb $TMPD/2
dpkg -x $TMPD/3.deb $TMPD/3
# setup loop device for image
DEV=`sudo losetup --show -P -f lx-trainer.img`
# extract grub.cfg from image
sudo mount ${DEV}p3 /mnt
cp /mnt/boot/grub/grub.cfg $TMPD/
sudo umount /mnt
# setup uefi partition
sudo mount ${DEV}p2 /mnt
if [ -d "/mnt/EFI/BOOT" ]; then
sudo mkdir -p /mnt/EFI/ubuntu
sudo mkdir -p /mnt/EFI/ubuntu/fonts
if [ -f "/mnt/EFI/BOOT/BOOTX64.EFI" ]; then
sudo mv /mnt/EFI/BOOT/BOOTX64.EFI /mnt/EFI/BOOT/BOOTX64.EFI.debian
fi
sudo cp $TMPD/1/usr/share/grub/unicode.pf2 /mnt/EFI/ubuntu/fonts/
sudo cp $TMPD/2/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed /mnt/EFI/BOOT/grubx64.efi
sudo cp $TMPD/3/usr/lib/shim/shimx64.efi.signed /mnt/EFI/BOOT/BOOTX64.EFI
sudo cp $TMPD/grub.cfg /mnt/EFI/ubuntu/
else
echo "error: no UEFI found on lx-trainer.img"
fi
sudo umount /mnt
# cleanup loop device
sudo losetup -d $DEV
# cleanup temp space
rm -rf $TMPD
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