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

post_install+=(20:base-uki:post_install)
base-uki:post_install() {
	local arg_mountpoint=$1

	# Patch a bug in the libalpm mkinitcpio hook that our `hook.preset`
	# below would trigger.
	# https://gitlab.archlinux.org/archlinux/mkinitcpio/mkinitcpio/-/merge_requests/277
	TMPDIR="$arg_mountpoint/usr/share/libalpm/scripts" patch "$arg_mountpoint/usr/share/libalpm/scripts/mkinitcpio" <<-'EOF'
		--- /usr/share/libalpm/scripts/mkinitcpio.orig
		+++ /usr/share/libalpm/scripts/mkinitcpio
		@@ -39,10 +39,14 @@
		                 unsorted_filelist+=("${ALL_uki}")
		             fi
		             if [[ -v preset_kver ]]; then
		-                unsorted_filelist+=("${preset_kver}")
		+                if [[ "${preset_kver}" == /* && "${preset_kver}" != /usr/lib/modules/*/vmlinuz ]]; then
		+                    unsorted_filelist+=("${preset_kver}")
		+                fi
		                 unsorted_kernellist+=("${preset_kver}")
		             elif [[ -v ALL_kver ]]; then
		-                unsorted_filelist+=("${ALL_kver}")
		+                if [[ "${ALL_kver}" == /* && "${ALL_kver}" != /usr/lib/modules/*/vmlinuz ]]; then
		+                    unsorted_filelist+=("${ALL_kver}")
		+                fi
		                 unsorted_kernellist+=("${ALL_kver}")
		             fi
		         done
		@@ -88,8 +92,10 @@
		         read_preset "$pkgbase"
		 
		         # always install the kernel
		-        for kernelfile in "${kernellist[@]}"; do
		-            install -Dm644 -- "$line" "${kernelfile}"
		+        for kernel in "${kernellist[@]}"; do
		+            if [[ "${kernel}" == /* && "${kernel}" != "/${line}" ]]; then
		+                install -Dm644 -- "${line}" "${kernel}"
		+            fi
		         done
		     )
		 
	EOF

	cat >"$arg_mountpoint/usr/share/mkinitcpio/hook.preset" <<-'EOF'
		#!/hint/bash
		# mkinitcpio preset file for the '%PKGBASE%' package

		#ALL_config="/etc/mkinitcpio.conf"
		ALL_kver=$(grep -Fxl '%PKGBASE%' /usr/lib/modules/*/pkgbase|sed 's,pkgbase$,vmlinuz,')
		ALL_microcode=(/boot/*-ucode.img)

		PRESETS=('default' 'fallback')

		#default_config="/etc/mkinitcpio.conf"
		#default_image="/boot/initramfs-%PKGBASE%.img"
		default_uki="/boot/EFI/Linux/parabola-%PKGBASE%.efi"
		#default_options="--splash /usr/share/systemd/bootctl/splash-parabola.bmp"

		#fallback_config="/etc/mkinitcpio.conf"
		#fallback_image="/boot/initramfs-%PKGBASE%-fallback.img"
		fallback_uki="/boot/EFI/Linux/parabola-%PKGBASE%-fallback.efi"
		fallback_options="-S autodetect"
	EOF
}