etc-gentoo/init.d/root

#!/sbin/openrc-run
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.

description="Mount the root fs read/write"

depend()
{
	need fsck
	keyword -jail -openvz -prefix -systemd-nspawn -vserver -lxc
}

start()
{
	case ",$(fstabinfo -o /)," in
		*,ro,*)
		;;
		*)
			# Check if the rootfs isn't already writable.
			if checkpath -W /; then
				rm -f /fastboot /forcefsck
			else
				ebegin "Remounting root filesystem read/write"
				case "$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

	ebegin "Remounting filesystems"
	local mountpoint
	for mountpoint in $(fstabinfo); do
		case "${mountpoint}" in
			/)
			;;
			/*)
				mountinfo -q "${mountpoint}" && \
					fstabinfo --remount "${mountpoint}"
			;;
		esac
	done
	eend 0
}