#!/bin/sh

#	Remount some partitions with less restrictive permissions, e.g :
#		* to be able to run updates (apt, dpkg, grub,…)

if [ "$(id -u)" -eq 0 ]; then
	# RW permissions
	## get the mountpath list from fstab
	for mountpath in /boot /opt /usr /var; do
		# ensure "${mountpath}" is already mounted
		if grep -q " ${mountpath} " /etc/mtab; then
			mount "${mountpath}" -o remount,rw,suid,dev
		fi
	done

	# EXEC + RW permissions
	## get the mountpath list from fstab
	for mountpath in /tmp /var/tmp /dev/shm; do
		# ensure "${mountpath}" is already mounted
		if grep -q " ${mountpath} " /etc/mtab; then
			mount "${mountpath}" -o remount,rw,suid,dev,exec
		fi
	done
else
	sudo "${0}"
fi

exit 0