- if [ -z "$NOSWAP" -a -n "$SWAPFILE" -a -f "$SWAPFILE" ]; then
- mount -o remount,rw $m
- if swapon "$SWAPFILE" 2>>$DEBUG ; then
- einfo "Using GRML swapfile ${SWAPFILE}."
- fnew="$SWAPFILE swap swap defaults 0 0"
- stringinfile "$fnew" "/etc/fstab" || echo "$fnew" >> /etc/fstab
- GRML_SWP="$GRML_SWP $SWAPFILE"
- eend 0
- fi
- mount -o remount,ro $m 2>>$DEBUG
- fi
- IMAGE="$(/bin/ls -1d $m/[Gg][Rr][Mm][Ll].[Ii][Mm][Gg] 2>/dev/null)"
- if [ -z "$INSTALLED" -a -z "$GRML_IMG" -a -n "$IMAGE" -a -f "$IMAGE" ]; then
- if [ -n "$HOMEDIR" ]; then
- if [ "$HOMEDIR" != "scan" -a "$HOMEDIR" != "$IMAGE" -a "$HOMEDIR" != "${IMAGE%/*.*}" ]; then
- continue
- fi
- fi
- if type -a grml-image >/dev/null 2>&1 && grml-image "$IMAGE" </dev/console >/dev/console 2>&1; then
- GRML_IMG="$IMAGE"
- mount -o remount,ro $m 2>>$DEBUG
- fi
- fi
- eend 0
- # Umount, if not in use
- umount -r $m 2>/dev/null
- done <<EOT
-$(cat /etc/fstab)
+fi # checkbootparam nofstab/forensic
+
+# Scan for swap, config, homedir - but only in live-mode
+if [ -z "$INSTALLED" ] ; then
+ [ -z "$NOSWAP" ] && einfo "Searching for swap partition(s) as requested."
+ GRML_IMG=""
+ GRML_SWP=""
+ HOMEDIR="$(getbootparam home)"
+ if [ -n "$partitions" ]; then
+ while read p m f relax; do
+ case "$p" in *fd0*|*proc*|*sys*|*\#*) continue;; esac
+ partoptions="users,exec"
+ fnew=""
+ # it's a swap partition?
+ case "$f" in swap)
+ eindent
+ if [ -n "$NOSWAP" ]; then
+ ewarn "Ignoring swap partition ${WHITE}$p${NORMAL}. (Force usage via boot option 'swap', or execute grml-swapon)"
+ eend 0
+ else
+ case "$(dd if=$p bs=1 count=6 skip=4086 2>/dev/null)" in
+ S1SUSP|S2SUSP|pmdisk|[zZ]*)
+ if [ -n "$ANYSWAP" ] ; then
+ einfo "Using swap partition ${WHITE}${p}${NORMAL} [bootoption anyswap found]."
+ swapon $p 2>>$DEBUG ; eend $?
+ else
+ ewarn "Suspend signature on ${WHITE}${p}${NORMAL} found, not using as swap. (Force usage via boot option: anyswap)"
+ fi
+ ;;
+ *)
+ if [[ "$p" == LABEL* ]] ; then
+ p=$(blkid -t $p | awk -F: '{print $1}')
+ fi
+ if grep -q $p /proc/swaps ; then
+ ewarn "Not using swap partition ${WHITE}${p}${NORMAL} as it is already in use." ; eend 0
+ else
+ if [ -b "$p" ] ; then
+ einfo "Using swap partition ${WHITE}${p}${NORMAL}."
+ swapon $p 2>>$DEBUG ; eend $?
+ else
+ ewarn "$p is not a valid block device - not using it therefore." ; eend 0
+ fi
+ fi
+ ;;
+ esac # dd-check
+ fi # -n "$NOSWAP
+ eoutdent
+ continue
+ ;;
+ esac # it's a swap partition?
+
+ # mount read-only
+ MOUNTOPTS="ro"
+ case "$f" in
+ vfat|msdos|ntfs) MOUNTOPTS="$MOUNTOPTS,uid=${fstabuser},gid=${fstabuser}" ;;
+ ext2|ext3|reiserfs|jfs|reiser4|xfs) MOUNTOPTS="$MOUNTOPTS,noatime" ;;
+ *) continue ;;
+ # *) NONEFOUND='1'; continue ;;
+ esac
+
+ # use a swapfile
+ if [ -z "$NOSWAP" ] ; then
+ mount -o "$MOUNTOPTS" -t $f $p $m 2>>$DEBUG && MOUNTED=1 || continue
+ # Activate swapfile, if exists
+ SWAPFILE="$(/bin/ls -1d $m/[Gg][Rr][Mm][Ll].[Ss][Ww][Pp] 2>/dev/null)"
+ fi
+ if [ -z "$NOSWAP" -a -n "$SWAPFILE" -a -f "$SWAPFILE" ]; then
+ mount -o remount,rw $m && MOUNTED=1
+ if swapon "$SWAPFILE" 2>>$DEBUG ; then
+ eindent
+ einfo "Using GRML swapfile ${WHITE}${SWAPFILE}${NORMAL}."
+ eoutdent
+ fnew="$SWAPFILE swap swap defaults 0 0"
+ stringinfile "$fnew" "/etc/fstab" || echo "$fnew" >> /etc/fstab
+ GRML_SWP="$GRML_SWP $SWAPFILE"
+ eend 0
+ fi
+ mount -o remount,ro $m 2>>$DEBUG && MOUNTED=1
+ fi
+
+ # use a image as home
+ IMAGE="$(/bin/ls -1d $m/[Gg][Rr][Mm][Ll].[Ii][Mm][Gg] 2>/dev/null)"
+ if [ -z "$GRML_IMG" -a -n "$IMAGE" -a -f "$IMAGE" ]; then
+ if [ -n "$HOMEDIR" ]; then
+ if [ "$HOMEDIR" != "scan" -a "$HOMEDIR" != "$IMAGE" -a "$HOMEDIR" != "${IMAGE%/*.*}" ]; then
+ continue
+ fi
+ fi
+ if type -a grml-image >/dev/null 2>&1 && grml-image "$IMAGE" </dev/console >/dev/console 2>&1; then
+ GRML_IMG="$IMAGE"
+ mount -o remount,ro $m 2>>$DEBUG && MOUNTED=1
+ fi
+ fi
+ eend 0
+
+ # Umount, if not in use
+ [ -n "$MOUNTED" ] && umount -r $m 2>/dev/null
+
+ done <<EOT
+ $(cat /etc/fstab)