umorpha-boxes/modules/umorpha-disk.sh

#!/hint/bash -euE
# Copyright (C) 2023  Umorpha Systems
# SPDX-License-Identifier: AGPL-3.0-or-later

#packages+=(umorpha-disk)

pre_install+=(20:umorpha-disk:pre_install)
post_install+=(20:umorpha-disk:post_install)

umorpha-disk:pre_install() {
	local arg_mountpoint=$1

	mkdir -p "$arg_mountpoint/etc/pacman.d/hooks"
	ln -sT /dev/null "$arg_mountpoint/etc/pacman.d/hooks/20-systemd-sysusers.hook"
	ln -sT /dev/null "$arg_mountpoint/etc/pacman.d/hooks/30-systemd-tmpfiles.hook"
	ln -sT /dev/null "$arg_mountpoint/etc/pacman.d/hooks/90-mkinitcpio-install.hook"
}

umorpha-disk:post_install() {
	local arg_mountpoint=$1

	rm "$arg_mountpoint/etc/pacman.d/hooks/20-systemd-sysusers.hook"
	rm "$arg_mountpoint/etc/pacman.d/hooks/30-systemd-tmpfiles.hook"
	rm "$arg_mountpoint/etc/pacman.d/hooks/90-mkinitcpio-install.hook"
	rmdir "$arg_mountpoint/etc/pacman.d/hooks" || true

	cat >"$arg_mountpoint/etc/mkinitcpio.conf.d/umorpha.conf" <<'EOF'
#!/hint/bash
# Copyright (C) 2023  Umorpha Systems
# SPDX-License-Identifier: AGPL-3.0-or-later

# Insert 'umorpha-overlayfs' and 'lvm2' into HOOKS.
for ((i=0; i<${#HOOKS[@]}; i++)); do
	if [[ ${HOOKS[i]} == filesystems ]]; then
		HOOKS=("${HOOKS[@]:0:i}" umorpha-overlayfs lvm2 "${HOOKS[@]:i}" )
		break
	fi
done
EOF
}