Files
start-os/build/lib/scripts/upgrade
Aiden McClelland 1b9fcaad2b fix: use proper mount types for proc/sysfs/efivarfs in chroot scripts
Replace bind mounts with typed mounts (mount -t proc, mount -t sysfs,
mount -t efivarfs) for /proc, /sys, and efivars in chroot environments.
2026-03-17 15:11:22 -06:00

86 lines
2.5 KiB
Bash
Executable File

#!/bin/bash
set -e
SOURCE_DIR="$(dirname $(realpath "${BASH_SOURCE[0]}"))"
if [ "$UID" -ne 0 ]; then
>&2 echo 'Must be run as root'
exit 1
fi
if ! [ -f "$1" ]; then
>&2 echo "usage: $0 <SQUASHFS>"
exit 1
fi
echo 'Upgrading...'
hash=$(b3sum $1 | head -c 32)
if [ -n "$2" ] && [ "$hash" != "$CHECKSUM" ]; then
>&2 echo 'Checksum mismatch'
exit 2
fi
unsquashfs -f -d / $1 boot
umount -l /media/startos/next 2> /dev/null || true
umount /media/startos/upper 2> /dev/null || true
umount /media/startos/lower 2> /dev/null || true
mkdir -p /media/startos/upper
mount -t tmpfs tmpfs /media/startos/upper
mkdir -p /media/startos/lower /media/startos/upper/data /media/startos/upper/work /media/startos/next
mount $1 /media/startos/lower
mount -t overlay \
-olowerdir=/media/startos/lower,upperdir=/media/startos/upper/data,workdir=/media/startos/upper/work \
overlay /media/startos/next
mkdir -p /media/startos/next/run
mkdir -p /media/startos/next/dev
mkdir -p /media/startos/next/sys
mkdir -p /media/startos/next/proc
mkdir -p /media/startos/next/boot
mkdir -p /media/startos/next/media/startos/root
mount --bind /run /media/startos/next/run
mount --bind /tmp /media/startos/next/tmp
mount --bind /dev /media/startos/next/dev
mount -t sysfs sysfs /media/startos/next/sys
mount -t proc proc /media/startos/next/proc
mount --rbind /boot /media/startos/next/boot
mount --bind /media/startos/root /media/startos/next/media/startos/root
if mountpoint /sys/firmware/efi/efivars 2>&1 > /dev/null; then
mount -t efivarfs efivarfs /media/startos/next/sys/firmware/efi/efivars
fi
chroot /media/startos/next bash -e << "EOF"
if [ -f /boot/grub/grub.cfg ]; then
grub-install /dev/$(eval $(lsblk -o MOUNTPOINT,PKNAME -P | grep 'MOUNTPOINT="/media/startos/root"') && echo $PKNAME)
update-grub
fi
EOF
# Sign unsigned kernel modules for Secure Boot
SIGN_FILE="$(ls -1 /media/startos/next/usr/lib/linux-kbuild-*/scripts/sign-file 2>/dev/null | head -1)"
/media/startos/next/usr/lib/startos/scripts/sign-unsigned-modules \
--source /media/startos/lower \
--dest /media/startos/config/overlay \
--sign-file "$SIGN_FILE" \
--mok-key /media/startos/config/overlay/var/lib/dkms/mok.key \
--mok-pub /media/startos/config/overlay/var/lib/dkms/mok.pub
sync
umount -l /media/startos/next
umount /media/startos/upper
umount /media/startos/lower
mv $1 /media/startos/images/${hash}.rootfs
ln -rsf /media/startos/images/${hash}.rootfs /media/startos/config/current.rootfs
sync
echo 'System upgrade complete. Reboot to apply changes...'