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#!/bin/bash
set -xeuo pipefail
if [ x$1 = xstart ]
then
mkdir -p $2
mount -t tmpfs -o nr_blocks=1,mode=0755 tmp $2
for i in /bin /dev/null /etc /lib /usr
do
[ -d $i ] && mkdir -p $2/$i || { mkdir -p $2/`rev <<<$i | cut -d/ -f2- | rev` && touch $2/$i; }
mount --bind -onosuid,ro $i $2/$i
done
mkdir -p $2/jelka
mount --bind -onosuid,ro . $2/jelka
mkdir -p $2/dev/shm
else
mount | grep $2 | cut -d\ -f3 | xargs -I '{}' umount '{}'
fi
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