40 lines
1.1 KiB
Plaintext
40 lines
1.1 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 ! checkpath -W /etc; then
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rc=1
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elif ! yesno ${mtab_is_file:-no}; then
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[ ! -L /etc/mtab ] && [ -f /etc/mtab ] &&
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ewarn "Removing /etc/mtab file"
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einfo "Creating mtab symbolic link"
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ln -snf /proc/self/mounts /etc/mtab
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else
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[ -L /etc/mtab ] && ewarn "Removing /etc/mtab symbolic link"
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rm -f /etc/mtab
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einfo "Creating 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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