#!/sbin/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/HEAD/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/HEAD/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.

description="Mount the root fs read/write"

depend()
{
	after clock
	need fsck
	keyword -docker -podman -jail -lxc -openvz -prefix -systemd-nspawn -vserver -wsl
}

start()
{
	local root_opts=",$(fstabinfo -o /),"
	case "$root_opts" in
		*,ro,*)
		;;
		*)
			# Check if the rootfs isn't already writable.
			if checkpath -W /; then
				rm -f /fastboot /forcefsck
			else
				ebegin "Remounting root filesystem read/write"
				case "$RC_UNAME" in
					Linux)
						mount -n -o remount,rw /
					;;
					*)
						mount -u -o rw /
					;;
				esac
				eend $? "Root filesystem could not be mounted read/write"
				if [ $?  -eq 0 ]; then
					rm -f /fastboot /forcefsck
				fi
			fi
		;;
	esac

	case "$root_opts" in
		*,shared,*|*,rshared,*)
			ebegin "Making root filesystem shared"
			case "$RC_UNAME" in
				Linux)
					mount --make-rshared /
				;;
				*)
					ewarn "Ignoring 'shared' option for / on non-linux"
				;;
			esac
			eend $? "Root filesystem could not be made shared"
		;;
	esac

	ebegin "Remounting filesystems"
	local mountpoint
	for mountpoint in $(fstabinfo); do
		case "${mountpoint}" in
			/*) # Don't remount swap etc.
				mountinfo -q "${mountpoint}" && \
					fstabinfo --remount "${mountpoint}"
			;;
		esac
	done
	eend 0
}
