#!/bin/bash -efu
# SPDX-License-Identifier: GPL-3.0-or-later

. sh-functions

export LIBMOUNT_FSTAB="${FSTAB:-$SYSCONFDIR/fstab}"
export LIBMOUNT_MTAB="${PROC_MOUNTS:-$PROCFS_PATH/mounts}"

DIR="$ROOTDIR"

mkdir -p -- "$DIR"/etc

for d in ${MOUNTPOINTS-}; do
	out="$(sys_findmnt -n -o TARGET,FSTYPE,OPTIONS --target "$d")" ||
		continue

	src="$(sys_findmnt -n -o UUID --target "$d")"
	prefix='UUID='

	[ -n "$src" ] || { src="$(sys_findmnt -n -o LABEL  --target "$d")"; prefix='LABEL='; }
	[ -n "$src" ] || { src="$(sys_findmnt -n -o SOURCE --target "$d")"; prefix=''; }
	[ -n "$src" ] || continue

	printf '%s%s %s 0 0\n' "$prefix" "$src" "$out"
done >"$DIR"/etc/fstab

sort -uo "$DIR"/etc/fstab "$DIR"/etc/fstab
