#!/bin/sh
#
# Kernel hook for refind.
#
# Arguments passed to this script: $1 pkgname, $2 version.
#
PKGNAME="$1"
VERSION="$2"

. "${ROOTDIR}/etc/default/refind-kernel-hook.conf"
if [ "z$UPDATE_REFIND_CONF" != "z1" ]; then
	exit 0;
fi

: "${REFIND_CONF:=boot/EFI/refind/refind.conf}"
REFIND_CONF="${REFIND_CONF#/}"

mkdir -p "${REFIND_CONF%/*}"
touch "$REFIND_CONF"

tmpfile=$(mktemp /tmp/refind.XXXXXXX)

: "${REFIND_LABEL:="Void Linux"}"
: "${REFIND_BOOT_PREFIX:=""}"

zversion=$(echo "$VERSION" | sed 's/[.]/[.]/g')

zentry=$(cat <<EOF
menuentry "Void Linux $VERSION" {
        volume   "$REFIND_LABEL"
        loader   $REFIND_BOOT_PREFIX/vmlinuz-$VERSION
        initrd   $REFIND_BOOT_PREFIX/initramfs-$VERSION.img
        options  "$OPTIONS"
}
EOF
)

<"$REFIND_CONF" \
sed "/^menuentry \"Void Linux $zversion\" [{]\$/,/[}]/d" |
awk -v "entry=$zentry" '
	/^timeout / {t=1}
	/^menuentry / && !x {print entry; x=1}
	1
	END {
		if (!x) {print entry}
		if (!t) {print "timeout 20"}
	}
	' \
>"$tmpfile"

mv "$tmpfile" "$REFIND_CONF"

exit 0