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if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi
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if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi
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# I have to set these variables very carefully
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# I have to set these variables very carefully
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UNION=/union
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UNION=/union
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MEMORY=/memory
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MEMORY=/memory
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#MOUNTDIR=mnt
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MOUNTDIR=livecd
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MOUNTDIR=livecd
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CHANGES=$MEMORY/changes
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CHANGES=$MEMORY/changes
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COPY2RAM=$MEMORY/copy2ram
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COPY2RAM=$MEMORY/copy2ram
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IMAGES=$MEMORY/images
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IMAGES=$MEMORY/images
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INITRAMDISK=$MOUNTDIR/live
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INITRAMDISK=$MOUNTDIR/live
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# mount unionfs or aufs
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# mount unionfs or aufs
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lsmod | grep -q ^unionfs
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lsmod | grep -q ^unionfs
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if [ $? -eq 0 ]; then
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if [ $? -eq 0 ]; then
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    mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION
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    mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION
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    if [ $? -ne 0 ]; then fatal "can't setup union in /union directory"; fi
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    if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi
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else
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else
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    mount -t aufs -o br:$CHANGES=rw aufs $UNION
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    mount -t aufs -o br:$CHANGES=rw aufs $UNION
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    if [ $? -ne 0 ]; then fatal "can't setup union (aufs)"; fi
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    if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi
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fi
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fi
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$DEBUGCMD
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$DEBUGCMD
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# try to find livecd data directory. If not found, try modprobing
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# try to find livecd data directory. If not found, try modprobing
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mkdir -p $UNION/dev
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mkdir -p $UNION/dev
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mkdir -p $UNION/initrd
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mkdir -p $UNION/initrd
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$DEBUGCMD
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$DEBUGCMD
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# no X? (set runlevel to 3)
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if [ "`cmdline_parameter nox`" ]; then
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  echo "set runlevel to 3"
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  sed sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab
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fi
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$DEBUGCMD
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# Union contains all the files and directories unioned from all modules.
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# Union contains all the files and directories unioned from all modules.
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# Change root directory to it, and move initrd's root to /livecd/live/initramdisk
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# Change root directory to it, and move initrd's root to /livecd/live/initramdisk
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# Finaly execute /sbin/init to start the distribution.
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# Finaly execute /sbin/init to start the distribution.
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echolog "changing root directory..."
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echolog "changing root directory..."
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cd $UNION
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cd $UNION