#!/bin/bash -e

all=0
lines=()

while read -r line; do
	if [[ $line != */vmlinuz ]]; then
		# triggers when it's a change to dracut files
		all=1
		continue
	fi

	pkgbase="$(<${line%/vmlinuz}/pkgbase)"
	install -Dm644 "${line}" "/boot/vmlinuz-${pkgbase}"

	lines+=(${line})
done

if (( all )); then
	lines=(/usr/lib/modules/*/vmlinuz)
fi

for line in "${lines[@]}"; do
	folder="${line%/vmlinuz}"

	pkgbase="$(<${folder}/pkgbase)"
	kver="${folder##*/}"

	echo ":: Building initramfs for $pkgbase ($kver)"
	dracut --force --hostonly "/boot/initramfs-${pkgbase}.img" "${kver}"

	echo ":: Building fallback initramfs for $pkgbase ($kver)"
	dracut --force --no-hostonly "/boot/initramfs-${pkgbase}-fallback.img" "${kver}"
done