akshara/akshara.hook
2023-06-17 01:58:00 +10:00

88 lines
3.6 KiB
Bash
Executable file

#!/bin/bash
run_latehook() {
echo
touch /new_root/.custom_pkg_list
# Remove /new_root/mnt/iso-update/.successful-update if exists
rm -f /new_root/mnt/iso-update/.successful-update
# Detect if update downloaded.
if [[ -f /new_root/mnt/iso-update/.ready-for-update ]]; then
# Available, rename old /usr and move new /usr to /.
mv /new_root/usr /new_root/.old.usr
mv /new_root/mnt/iso-update/squashfs-root/usr /new_root/usr
# Copy package list
mv /new_root/mnt/iso-update/squashfs-root/.custom_pkg_list /new_root
# Update /usr/lib/modules for current kernel version.
for kversion in /new_root/.old.usr/lib/modules/*; do
if [[ ! -d /new_root/usr/lib/modules/"$(basename "$kversion")" ]]; then
mv "$kversion" /new_root/usr/lib/modules/"$(basename "$kversion")"
fi
done
# Same for /var/lib/pacman.
mv /new_root/var/lib/pacman /new_root/.old.var.lib.pacman
mv /new_root/mnt/iso-update/squashfs-root/var/lib/pacman /new_root/var/lib
# Move to /etc stage.
rm -f /new_root/mnt/iso-update/.ready-for-update
touch /new_root/mnt/iso-update/.etc-stage
fi
# Detect if /etc stage is active.
if [[ -f /new_root/mnt/iso-update/.etc-stage ]]; then
# Create new /etc.
cp -a /new_root/mnt/iso-update/squashfs-root/etc /new_root/.new.etc
# Replace editable /etc files.
for i in sudoers crypttab fstab group gshadow hostname hosts passwd resolv.conf shadow shells subgid subuid; do
mv "/new_root/etc/${i}" "/new_root/.new.etc/${i}"
done
mv "/new_root/etc/default/grub" "/new_root/.new.etc/default/grub"
[[ -d /new_root/etc/NetworkManager/system-connections ]] && (
rm -rf /new_root/.new.etc/NetworkManager/system-connections;
mv /new_root/etc/NetworkManager/system-connections /new_root/.new.etc/NetworkManager/system-connections
)
# Rename existing /etc.
mv /new_root/etc /new_root/.old.etc &>/dev/null || :
# Rename new /etc.
mv /new_root/.new.etc /new_root/etc &>/dev/null || :
if [[ -f /boot/amd-ucode.img ]]; then
mv /new_root/mnt/iso-update/iso/boot/amd-ucode.img /new_root/boot/amd-ucode.img
fi
if [[ -f /boot/intel-ucode.img ]]; then
mv /new_root/mnt/iso-update/iso/boot/intel-ucode.img /new_root/boot/intel-ucode.img
fi
# Successful update.
rm -f /new_root/mnt/iso-update/.etc-stage
touch /new_root/mnt/iso-update/.successful-update
fi
# Handle overlays.
if [[ -f '/new_root/.blend-overlays/future-usr/.okay' ]] && [[ -f '/new_root/.blend-overlays/future-varlibpacman/.okay' ]]; then
for i in usr varlibpacman; do
rm -rf /new_root/.blend-overlays/$i
mv /new_root/.blend-overlays/future-$i /new_root/.blend-overlays/$i
done
else
rm -rf /new_root/.blend-overlays/usr.workdir /new_root/.blend-overlays/varlibpacman.workdir
fi
for i in usr varlibpacman; do
mkdir -p /new_root/.blend-overlays/$i
mkdir -p /new_root/.blend-overlays/$i.workdir
done
mount -t overlay overlay -o index=off -o metacopy=off -o ro,lowerdir=/new_root/usr,upperdir=/new_root/.blend-overlays/usr,workdir=/new_root/.blend-overlays/usr.workdir /new_root/usr
mount -t overlay overlay -o index=off -o metacopy=off -o ro,lowerdir=/new_root/var/lib/pacman,upperdir=/new_root/.blend-overlays/varlibpacman,workdir=/new_root/.blend-overlays/varlibpacman.workdir /new_root/var/lib/pacman
}