356 lines
12 KiB
Plaintext
356 lines
12 KiB
Plaintext
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#!/bin/bash
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#
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# filesystems - filesystems plugin for postplug
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# Copyright (c) 2004-2007 by Davide Madrisan <davide.madrisan@qilinux.it>
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# Copyright (c) 2007 by Stefano Cotta Ramusino <stefano.cotta@openmamba.org>
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# Copyright (c) 2009 by Silvan Calarco <silvan.calarco@mambasoft.it>
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if [ $UID != 0 ]; then
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echo "$0: must be superuser." >&2
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exit 1
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fi
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me="filesystems"
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rootmp="/mnt"
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. /etc/postplug/postplug.defs
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[ -r /etc/sysconfig/postplug ] && . /etc/sysconfig/postplug
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fstab="/etc/fstab"
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# list of known devices to be scanned
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# note: the '/dev/floppy/[0-9]' and '/dev/ub[a-z][0-9]*' entries
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# has been removed
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devs2scan='/dev/disk/by-uuid/*'
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# function devfs2dev()
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# convert devfs names to stardard names
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# args:
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# $1: the devfs name that need to be converted
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function devfs2dev() {
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local devlong="$1"
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# exit if devfs is not running
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[ -e /dev/.devfsd ] || { echo -n "$devlong"; return; }
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[[ "$devlong" ]] || { echo -n ""; return; }
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# we want to skip symlinks like '/dev/ide/hd/c0b0t0u0p1'
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LANG=C find /dev -maxdepth 1 -type l 2>/dev/null | \
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while read dev; do
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[[ "$(readlink -f $dev 2>/dev/null)" = "$devlong" ]] &&
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{ echo -n "${dev:-$devlong}"; return 0; }
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done
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[ $? -eq 0 ] && return
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echo -n "$devlong"
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}
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# function get_new_mp_name()
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# Find for a usable mount point in the form $rootmp/$1[0-9]*
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# or the current mount point if the device `$2' is already mounted
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# args:
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# $1: mount point suffix (i.e. "cdrom", "floppy", ...)
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# $2: the device name (optional)
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function get_new_mp_name() {
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local mp_suffix="${1/ /%20}"; devfs="$2"
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if [ -n "$devfs" ]; then
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# catch internal errors
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[ -e $devfs ] ||
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{ logmsg "$me" $"error: ""device not found ($devfs)"
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exit 1; }
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# take care of root partition already mounted
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[ "`readlink -f /dev/root`" = "$devfs" ] && {
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echo "/"
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return
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}
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set -- $(mount | grep "^$(readlink -f $devfs)")
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if [ "$3" != "" ]; then
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echo "$3"
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return
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fi
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fi
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# mountpoint FHS 2.3 compliant
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case "$1" in cdrom|floppy) rootmp="/media" ;; esac
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for dir in $(find "$rootmp/${mp_suffix}" "$rootmp/${mp_suffix}"[0-9]* \
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-maxdepth 0 -type d -printf "%f " 2>/dev/null); do
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# if `$dir' is not found in `$fstab' and
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# no fs has been manually mounted on this dir...
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[[ -z "$(grep "[[:space:]]$rootmp/$dir[[:space:]]" $fstab)" &&
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-z "$(mount | grep "[[:space:]]$rootmp/$dir[[:space:]]")" ]] &&
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{ # ...we have found a good dir not yet used
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echo "$rootmp/$dir"; return; }
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done
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# no directory available, so a new one must be created
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case "$dir" in
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"") echo ""$rootmp/${mp_suffix}"" ;;
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$mp_suffix|$mp_suffix[0-9]*)
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# note: ${mp_suffix}<n> --> $rootmp/${mp_suffix}<n+1>
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echo "$rootmp/\
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${dir/[0-9]*/}$((${dir/$mp_suffix/}+1))" ;;
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esac
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}
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tmpfstab=`mktemp -q -t $me.XXXXXXXX` ||
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{ logmsg "$me" $"error: "$"cannot create temporary files"
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exit 1; }
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trap "rm -f $tmpfstab" 0 1 2 5 15
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# convert device paths from devfs to udev
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if [ -e /dev/.devfsd ]; then
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while read line; do
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case "$line" in
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/dev/*)
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set -- $line
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fs="$(devfs2dev "$1")"
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echo "$fs ${line#* }" >> $tmpfstab
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;;
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*) echo "$line" >> $tmpfstab ;;
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esac
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done < $fstab
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mv $tmpfstab $fstab && chmod 644 $fstab
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exit 0
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fi
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# note: remove some directories not FHS 2.3 compliant
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#find /mnt/ -type d \( \
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# -name floppy -o -name floppy[0-9]\* -o \
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# -name cdrom -o -name cdrom[0-9]\* \
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# -name cdrecording -o -name cdrecording[0-9]\* \
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#\) -print | xargs rmdir 2>/dev/null
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[ -d /dev/.udev ] || exit 1
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if [ "$FS_VFS_UPDATE" != no ]; then
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# note: '[ \t]\+/proc[ \t]\+' does not work :(
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grep -q "/proc" $fstab 2>/dev/null ||
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{ echo "proc /proc proc defaults 0 0" >> $fstab
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logmsg "$me" $"added an entry for \`proc' in $fstab"
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mount /proc &>/dev/null; }
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grep -q "/sys" $fstab 2>/dev/null ||
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{ echo "none /sys sysfs defaults 0 0" >> $fstab
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logmsg "$me" $"added an entry for \`sys' in $fstab"
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mount /sys &>/dev/null; }
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grep -q "/dev/pts" $fstab 2>/dev/null ||
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{ echo "devpts /dev/pts devpts gid=4,mode=620 0 0" >> $fstab
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logmsg "$me" $"added an entry for \`devpts' in $fstab"
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mount /dev/pts &>/dev/null; }
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# make sure directory /dev/shm still exists
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mkdir -p /dev/shm
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grep -q "/dev/shm" $fstab 2>/dev/null ||
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{ echo "tmpfs /dev/shm tmpfs defaults 0 0" >> $fstab
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logmsg "$me" $"added an entry for \`tmpfs' in $fstab"
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mount /dev/shm &>/dev/null; }
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# probe for USB if the entry were not present in /etc/fstab
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if [ -d /proc/bus/usb ]; then
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grep -q "/proc/bus/usb" $fstab 2>/dev/null ||
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{ echo "usbfs /proc/bus/usb usbfs defaults 0 0" >> $fstab
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logmsg "$me" $"added an entry for \`usbfs' in $fstab"
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mount /proc/bus/usb &>/dev/null; }
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fi
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fi
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if [ "$FS_NO_DEV_REMOVE" = yes ]; then
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[ -e $fstab ] && cp $fstab $tmpfstab || touch $fstab
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while read fs mount_point fstype options dump fsck_order ignore; do
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case $fs in
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/dev/*)
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# remove entries and mount points for nonexistent devices
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if [[ ! -e $fs ]]; then
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sed -i "\@^$fs[ \t]*@d" $fstab 2>/dev/null
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logmsg "$me" $"nonexistent entry removed (fs:$fs mp:$mount_point)"
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rmdir $mount_point 2>/dev/null
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continue
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fi
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[ ! -e $mount_point -a ${mount_point:0:${#rootmp}} = ${rootmp} ] && mkdir -p $mount_point
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## if `/dev/root' exists use it instead of the real device name
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#[[ "$mount_point" = "/" && -e /dev/root ]] &&
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# { unset devlink; fs="/dev/root"; }
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;;
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UUID=*)
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# remove entries and mount points for nonexistent devices
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fs=`echo ${fs/UUID=/}`
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if [[ ! -e /dev/disk/by-uuid/$fs ]]; then
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sed -i "\@^UUID=$fs[ \t]*@d" $fstab 2>/dev/null
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logmsg "$me" $"nonexistent entry removed (fs:$fs mp:$mount_point)"
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rmdir $mount_point 2>/dev/null
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continue
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fi
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[ ! -e $mount_point -a ${mount_point:0:${#rootmp}} = ${rootmp} ] && mkdir -p $mount_point
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;;
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esac
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done < $tmpfstab
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> $tmpfstab
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fi
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let "swapon = 0"
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# scan for new devices using the searching mask `$devs2scan'
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[[ "$FS_PARTS_MOUNT" = "yes" ]] && AUTO_ADD="" || AUTO_ADD="noauto,"
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[[ "$FS_PARTS_UPDATE" = no && "$FS_SWAP_UPDATE" = no ]] ||
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blkid | while read line; do
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unset dev uuid devline devfstype TYPE UUID LABEL
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dev=${line/:*}
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devline=${line/*:}
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eval $devline
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label=$LABEL
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devfstype=$TYPE
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uuid=$UUID
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[ "$label" ] || label="disk"
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if [ -e $dev ]; then
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# skip removable partitions
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[ "`cat /sys/block/${dev:5:3}/removable 2>/dev/null`" = "1" \
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-a ! -e /sys/block/${dev:5:3}/device/unload_heads ] && {
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[ "$DEBUG" ] && logmsg "$me" $"skipped device $dev ($uuid): removable"
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continue;
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}
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# skip the current device if already in $fstab
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grep -q "^[[:space:]]*$dev[[:space:]]\|^[[:space:]]*UUID=$uuid[[:space:]]" $fstab &&
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{ [ "$DEBUG" ] &&
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logmsg "$me" $"skipped device $dev ($uuid): already in fstab"
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continue; }
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[ "$DEBUG" ] && logmsg "$me" $"scanning for $dev ($uuid)..."
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# append the new device to $fstab
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unset last_mp mount_point fstype options extra_options
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check_options="0 0"
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case $dev in
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/dev/fd[0-9]*|/dev/floppy/[0-9]) # floppy disk drives
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[ "$FS_FLOPPY_UPDATE" = yes ] || continue
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mount_point=$(get_new_mp_name floppy)
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;;
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/dev/cdrom[0-9]*) # CDROM devices
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[ "$FS_CDROM_UPDATE" = yes ] || continue
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# check if the CD is already mounted
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devfs="$(readlink -f $dev)"
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mount | \
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while read fstab_dev skip; do
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echo "$(readlink -f $fstab_dev)"
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done | grep -qi "$devfs"
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# note: the CD is always mounted if automount is enabled
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if [ $? -eq 0 ]; then
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logmsg "$me" $"ignoring device \`$dev' (already mounted)"
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continue
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fi
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mount_point=$(get_new_mp_name cdrom)
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;;
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/dev/sd[a-z][0-9]*|\
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/dev/hd[a-z][0-9]*|\
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/dev/ub[a-z][0-9]*|\
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/dev/ub/[a-z]*/part[0-9]*)
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## if an USB device is detected add the 'sync' option
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#case "$devlink" in
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# /dev/ub/[a-z]*/part[0-9]*) extra_options=",sync" ;;
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#esac
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# IDE, SCSI disks, CDRW, USB devices
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devdisk="${dev/[0-9]*/}"
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devline=$( blkid $dev 2>/dev/null | sed "s|.*:||")
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eval $devline
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devfstype=$TYPE
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# devfstype=$( /sbin/fdisk -l $devdisk 2>/dev/null | \
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# sed -n "/^${dev//\//\\/}/{
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# s,\*,,; # remove the star (bootable partition)
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# # select the 5th column (fs id)
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# s/\([^ ]*[ ]*\)\{4\}\([^ ]*\).*/\2/p}" )
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case $devfstype in
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linux-swap|swap) # Linux swap
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[ "$FS_SWAP_UPDATE" = yes ] || continue
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mount_point="swap "
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fstype="swap"
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options="pri=1"
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let "swapon = 1" ;;
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ext*|reiserfs|reiser4) # Linux partition
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[ "$FS_PARTS_UPDATE" = yes ] || continue
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mount_point=$(get_new_mp_name "$label" $dev)
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if [[ "$mount_point" = "/" ]]; then
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# found a root partition already mounted but not in fstab!
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check_options="1 1"
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fstype="$(mount | \
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sed -n "/ \/ /{s,.*type \([^ ]*\).*,\1,;p}")"
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#[[ -e /dev/root ]] &&
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# { unset devlink; dev="/dev/root"; }
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fi
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options="defaults" ;;
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ntfs|hpfs) # HPFS/NTFS
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[ "$FS_PARTS_UPDATE" = yes ] || continue
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mount_point=$(get_new_mp_name "$label" $dev)
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if [ -x /sbin/mount.ntfs-3g ]; then
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fstype="ntfs-3g"
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options="${AUTO_ADD}user,gid=32,umask=002"
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[ "$LANG" ] && options="$options,locale=$LANG"
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else
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options="${AUTO_ADD}user,ro,gid=32,umask=002"
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fi ;;
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fat12|fat16|fat32|FAT|vfat)
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[ "$FS_PARTS_UPDATE" = yes ] || continue
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# FAT12, FAT16<32M, FAT16, FAT16 [LBA]
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# FAT32 [LBA]
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mount_point=$(get_new_mp_name "$label" $dev)
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options="${AUTO_ADD}user,gid=32,umask=002" ;;
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hfs|hfs+|hfsplus)
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[ "$FS_PARTS_UPDATE" = yes ] || continue
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mount_point=$(get_new_mp_name "$label" $dev)
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options="${AUTO_ADD}user" ;;
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# f) # W95 Ext'd (LBA)
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# [ "$FS_PARTS_UPDATE" = yes ] || continue
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# unset nblocks
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# nblocks=$( echo $(grep ${dev/\/dev\//} /proc/partitions) | \
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# cut -d" " -f3 )
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# [ "$nblocks" = 1 ] && continue
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# mount_point=$(get_new_mp_name "$label")
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# options="${AUTO_ADD}user,gid=32,umask=002" ;;
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*) # ignore unknown partitions
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[ "$FS_PARTS_UPDATE" = yes ] || continue
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logmsg "$me" $"ignoring unknown partition (id:$devfstype)"
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continue ;;
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esac
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;;
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*) logmsg "$me" "FIXME: "$"unknown label for case ($dev)"
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;;
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esac
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logmsg "$me" $"\
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added device \`$dev' (${uuid}) mount point:\`$mount_point'"
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# note: if 'mount_point' is yet undefined there is a bug
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if [[ "$mount_point" ]]; then
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# default values: fstype="auto", options="noauto,user"
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if [ "$uuid" ]; then
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||
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|
echo "# $dev \"$label\"" >> $fstab
|
||
|
|
echo "\
|
||
|
|
UUID=${uuid} $mount_point \
|
||
|
|
${fstype:-"auto"} ${options:-"noauto,user"}${extra_options} ${check_options}" >> $fstab
|
||
|
|
else
|
||
|
|
echo "\
|
||
|
|
$dev $mount_point \
|
||
|
|
${fstype:-"auto"} ${options:-"noauto,user"}${extra_options} ${check_options}" >> $fstab
|
||
|
|
fi
|
||
|
|
# create the mount point and mount the new device
|
||
|
|
[ "${mount_point:0:${#rootmp}}" = "${rootmp}" ] && {
|
||
|
|
mkdir -p "$mount_point"
|
||
|
|
mount "$mount_point"
|
||
|
|
}
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
|
||
|
|
[ "$swapon" = 1 ] && swapon -a
|
||
|
|
exit 0
|