mirror of
https://github.com/Start9Labs/start-os.git
synced 2026-03-26 10:21:52 +00:00
97 lines
2.9 KiB
Bash
Executable File
97 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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set -e
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SOURCE_DIR="$(dirname $(realpath "${BASH_SOURCE[0]}"))"
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if [ "$UID" -ne 0 ]; then
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>&2 echo 'Must be run as root'
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exit 1
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fi
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if ! [ -f "$1" ]; then
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>&2 echo "usage: $0 <SQUASHFS>"
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exit 1
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fi
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echo 'Upgrading...'
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hash=$(b3sum $1 | head -c 32)
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if [ -n "$2" ] && [ "$hash" != "$CHECKSUM" ]; then
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>&2 echo 'Checksum mismatch'
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exit 2
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fi
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unsquashfs -f -d / $1 boot
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umount -R /media/startos/next 2> /dev/null || true
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umount /media/startos/upper 2> /dev/null || true
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umount /media/startos/lower 2> /dev/null || true
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mkdir -p /media/startos/upper
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mount -t tmpfs tmpfs /media/startos/upper
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mkdir -p /media/startos/lower /media/startos/upper/data /media/startos/upper/work /media/startos/next
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mount $1 /media/startos/lower
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mount -t overlay \
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-olowerdir=/media/startos/lower,upperdir=/media/startos/upper/data,workdir=/media/startos/upper/work \
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overlay /media/startos/next
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mkdir -p /media/startos/next/run
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mkdir -p /media/startos/next/dev
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mkdir -p /media/startos/next/sys
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mkdir -p /media/startos/next/proc
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mkdir -p /media/startos/next/boot
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mkdir -p /media/startos/next/media/startos/root
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mount --bind /run /media/startos/next/run
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mount --bind /tmp /media/startos/next/tmp
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mount --bind /dev /media/startos/next/dev
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mount --bind /sys /media/startos/next/sys
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mount --bind /proc /media/startos/next/proc
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mount --bind /boot /media/startos/next/boot
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mount --bind /media/startos/root /media/startos/next/media/startos/root
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if mountpoint /boot/efi 2>&1 > /dev/null; then
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mkdir -p /media/startos/next/boot/efi
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mount --bind /boot/efi /media/startos/next/boot/efi
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fi
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if mountpoint /sys/firmware/efi/efivars 2>&1 > /dev/null; then
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mount --bind /sys/firmware/efi/efivars /media/startos/next/sys/firmware/efi/efivars
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fi
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chroot /media/startos/next bash -e << "EOF"
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if [ -f /boot/grub/grub.cfg ]; then
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grub-install /dev/$(eval $(lsblk -o MOUNTPOINT,PKNAME -P | grep 'MOUNTPOINT="/media/startos/root"') && echo $PKNAME)
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update-grub
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fi
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EOF
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# Promote the USB installer boot entry back to first in EFI boot order.
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# The entry number was saved during initial OS install.
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if [ -d /sys/firmware/efi ] && [ -f /media/startos/config/efi-installer-entry ]; then
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USB_ENTRY=$(cat /media/startos/config/efi-installer-entry)
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if [ -n "$USB_ENTRY" ]; then
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CURRENT_ORDER=$(efibootmgr | grep BootOrder | sed 's/BootOrder: //')
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OTHER_ENTRIES=$(echo "$CURRENT_ORDER" | tr ',' '\n' | grep -v "$USB_ENTRY" | tr '\n' ',' | sed 's/,$//')
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if [ -n "$OTHER_ENTRIES" ]; then
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efibootmgr -o "$USB_ENTRY,$OTHER_ENTRIES"
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else
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efibootmgr -o "$USB_ENTRY"
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fi
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fi
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fi
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sync
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umount -Rl /media/startos/next
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umount /media/startos/upper
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umount /media/startos/lower
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mv $1 /media/startos/images/${hash}.rootfs
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ln -rsf /media/startos/images/${hash}.rootfs /media/startos/config/current.rootfs
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sync
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echo 'System upgrade complete. Reboot to apply changes...' |