47 lines
1015 B
Plaintext
47 lines
1015 B
Plaintext
#!@PREFIX@/sbin/runscript
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# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
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# Released under the 2-clause BSD license.
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description="Re-mount filesytems read-only for a clean reboot."
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depend()
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{
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need killprocs savecache
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keyword -prefix -openvz -vserver -lxc
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}
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start()
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{
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# Flush all pending disk writes now
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sync; sync
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ebegin "Remounting remaining filesystems read-only"
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# We need the do_unmount function
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. "$RC_LIBEXECDIR"/sh/rc-mount.sh
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eindent
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local m="/dev|/dev/.*|/proc|/proc.*|/sys|/sys/.*|${RC_SVCDIR}" x= fs=
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m="$m|/bin|/sbin|/lib|/libexec"
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# RC_NO_UMOUNTS is an env var that can be set by plugins
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local OIFS=$IFS SIFS=${IFS-y} IFS=$IFS
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IFS=$IFS:
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for x in $no_umounts $RC_NO_UMOUNTS; do
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m="$m|$x"
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done
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if [ "$SIFS" = y ]; then
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IFS=$OIFS
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else
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unset IFS
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fi
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m="^($m)$"
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fs=
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for x in $net_fs_list; do
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fs="$fs${fs:+|}$x"
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done
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[ -n "$fs" ] && fs="^($fs)$"
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do_unmount "umount -r" \
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--skip-point-regex "$m" \
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${fs:+--skip-fstype-regex} $fs --nonetdev
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eoutdent
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eend $?
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}
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