6fa0d6318b
This advises users to remove mtab from their runlevels if /etc/mtab is a symlink, and it creates the symlink if /etc/mtab does not exist on a system. X-Gentoo-Bug: 560060 X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=560060
39 lines
1.0 KiB
Plaintext
39 lines
1.0 KiB
Plaintext
#!@SBINDIR@/openrc-run
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# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
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# Released under the 2-clause BSD license.
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description="Update /etc/mtab to match what the kernel knows about"
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depend()
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{
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need root
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keyword -prefix -systemd-nspawn
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}
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start()
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{
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local rc=0
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ebegin "Updating /etc/mtab"
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if [ -L /etc/mtab ] ; then
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ewarn "/etc/mtab is a symlink, not updating."
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ewarn "FYI - You can safely remove mtab from your runlevels."
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elif ! checkpath -W /etc; then
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rc=1
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elif [ ! -e /etc/mtab ]; then
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einfo "Creating mtab symlink"
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ln -snf /proc/self/mounts /etc/mtab
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else
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einfo "Updating mtab file"
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# With / as tmpfs we cannot umount -at tmpfs in localmount as that
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# makes / readonly and dismounts all tmpfs even if in use which is
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# not good. Luckily, umount uses /etc/mtab instead of /proc/mounts
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# which allows this hack to work.
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grep -v "^[! ]* / tmpfs " /proc/mounts > /etc/mtab
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# Remove stale backups
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rm -f /etc/mtab~ /etc/mtab~~
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fi
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eend $rc "/etc is not writable; unable to create /etc/mtab"
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return 0
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}
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