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#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
description="Update /etc/mtab to match what the kernel knows about"
depend()
{
need root
keyword -prefix -systemd-nspawn
}
start()
{
local rc=0
ebegin "Updating /etc/mtab"
if [ -L /etc/mtab ] ; then
ewarn "/etc/mtab is a symlink, not updating."
ewarn "FYI - You can safely remove mtab from your runlevels."
elif ! checkpath -W /etc; then
rc=1
elif [ ! -e /etc/mtab ]; then
einfo "Creating mtab symlink"
ln -snf /proc/self/mounts /etc/mtab
else
einfo "Updating mtab file"
# With / as tmpfs we cannot umount -at tmpfs in localmount as that
# makes / readonly and dismounts all tmpfs even if in use which is
# not good. Luckily, umount uses /etc/mtab instead of /proc/mounts
# which allows this hack to work.
grep -v "^[! ]* / tmpfs " /proc/mounts > /etc/mtab
# Remove stale backups
rm -f /etc/mtab~ /etc/mtab~~
fi
eend $rc "/etc is not writable; unable to create /etc/mtab"
return 0
}
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