base/mount-hook.sh: add forgotten file
Harald Hoyer
parent
6c3b8e2c17
commit
46a1738161
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@ -0,0 +1,169 @@
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#!/bin/sh
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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PATH=/usr/sbin:/usr/bin:/sbin:/bin
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type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
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type det_fs >/dev/null 2>&1 || . /lib/fs-lib.sh
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mountpoint="$1"
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ismounted "$mountpoint" && exit 0
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if [ -f "$NEWROOT"/fastboot ] || getargbool 0 fastboot ; then
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fastboot=yes
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fi
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filter_rootopts() {
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rootopts=$1
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# strip ro and rw options
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local OLDIFS="$IFS"
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IFS=,
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set -- $rootopts
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IFS="$OLDIFS"
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local v
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while [ $# -gt 0 ]; do
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case $1 in
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rw|ro);;
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defaults);;
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*)
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v="$v,${1}";;
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esac
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shift
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done
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rootopts=${v#,}
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echo $rootopts
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}
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mount_root() {
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local _ret
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# sanity - determine/fix fstype
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rootfs=$(det_fs "${root#block:}" "$fstype")
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mount -t ${rootfs} -o "$rflags",ro "${root#block:}" "$NEWROOT"
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READONLY=
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fsckoptions=
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if [ -f "$NEWROOT"/etc/sysconfig/readonly-root ]; then
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. "$NEWROOT"/etc/sysconfig/readonly-root
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fi
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if getargbool 0 "readonlyroot=" -y readonlyroot; then
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READONLY=yes
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fi
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if getarg noreadonlyroot ; then
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READONLY=no
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fi
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if [ -f "$NEWROOT"/fastboot ] || getargbool 0 fastboot ; then
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fastboot=yes
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fi
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if [ -f "$NEWROOT"/fsckoptions ]; then
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fsckoptions=$(cat "$NEWROOT"/fsckoptions)
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fi
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if [ -f "$NEWROOT"/forcefsck ] || getargbool 0 forcefsck ; then
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fsckoptions="-f $fsckoptions"
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elif [ -f "$NEWROOT"/.autofsck ]; then
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[ -f "$NEWROOT"/etc/sysconfig/autofsck ] && . "$NEWROOT"/etc/sysconfig/autofsck
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if [ "$AUTOFSCK_DEF_CHECK" = "yes" ]; then
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AUTOFSCK_OPT="$AUTOFSCK_OPT -f"
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fi
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if [ -n "$AUTOFSCK_SINGLEUSER" ]; then
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warn "*** Warning -- the system did not shut down cleanly. "
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warn "*** Dropping you to a shell; the system will continue"
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warn "*** when you leave the shell."
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emergency_shell
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fi
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fsckoptions="$AUTOFSCK_OPT $fsckoptions"
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fi
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rootopts=
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if getargbool 1 rd.fstab -n rd_NO_FSTAB \
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&& ! getarg rootflags \
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&& [ -f "$NEWROOT/etc/fstab" ] \
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&& ! [ -L "$NEWROOT/etc/fstab" ]; then
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# if $NEWROOT/etc/fstab contains special mount options for
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# the root filesystem,
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# remount it with the proper options
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rootopts="defaults"
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while read dev mp fs opts rest; do
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# skip comments
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[ "${dev%%#*}" != "$dev" ] && continue
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if [ "$mp" = "/" ]; then
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# sanity - determine/fix fstype
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rootfs=$(det_fs "${root#block:}" "$fs")
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rootopts=$opts
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break
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fi
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done < "$NEWROOT/etc/fstab"
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rootopts=$(filter_rootopts $rootopts)
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fi
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# we want rootflags (rflags) to take precedence so prepend rootopts to
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# them; rflags is guaranteed to not be empty
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rflags="${rootopts:+"${rootopts},"}${rflags}"
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umount "$NEWROOT"
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# backslashes are treated as escape character in fstab
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# esc_root=$(echo ${root#block:} | sed 's,\\,\\\\,g')
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# printf '%s %s %s %s 1 1 \n' "$esc_root" "$NEWROOT" "$rootfs" "$rflags" >/etc/fstab
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if [ -z "$fastboot" -a "$READONLY" != "yes" ] && ! strstr "${rflags},${rootopts}" _netdev; then
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fsck_single "${root#block:}" "$rootfs" "$fsckoptions"
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_ret=$?
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[ $_ret -ne 255 ] && echo $_ret >/run/initramfs/root-fsck
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fi
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info "Remounting ${root#block:} with -o ${rflags}"
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mount -t "$rootfs" -o "$rflags" "${root#block:}" "$NEWROOT" 2>&1 | vinfo
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[ -f "$NEWROOT"/forcefsck ] && rm -f "$NEWROOT"/forcefsck 2>/dev/null
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[ -f "$NEWROOT"/.autofsck ] && rm -f "$NEWROOT"/.autofsck 2>/dev/null
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}
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sub_mount_ready() {
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local _dev _mp _rest
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while read _dev _mp _rest; do
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[ "$1" = "$_mp" ] && continue
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if [ "${1##$_mp}" != "$1" ]; then
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ismounted "$_mp" || return 1
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fi
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done < "/etc/fstab"
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return 0
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}
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if [ "$mountpoint" = "$NEWROOT" ]; then
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mount_root
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exit $?
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fi
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while read _dev _mp _fs _opts _rest; do
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if [ "$_mp" = "$mountpoint" ]; then
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_found="1"
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break
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fi
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done < "/etc/fstab"
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[ "$_found" = "1" ] || exit 1
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sub_mount_ready "$mountpoint" || exit 1
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if [ -z "$fastboot" ] && ! strstr "${_opts}" _netdev; then
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# fsck?
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fsck_single "$_dev" "$_fs" "$_opts"
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_ret=$?
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if [ "${mountpoint##$NEWROOT}" != "$mountpoint" ]; then
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echo $_ret >/run/initramfs/${mountpoint##$NEWROOT}-fsck
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fi
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fi
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info "Mounting $_dev on $mountpoint"
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mount "$mountpoint" 2>&1 | vinfo
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ismounted "$mountpoint" || exit 1
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