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#!/bin/sh
# Copyright: Bernd Schubert <bernd.schubert@fastmail.fm>
# BSD license, see LICENSE file for details
FUSE_OPT="-o allow_other,use_ino,suid,dev,nonempty"
CHROOT_PATH="/tmp/unionfs"
UNION_OPT="-ocow,chroot=$CHROOT_PATH,max_files=32768"
UBIN=/usr/bin/unionfs-fuse
mount -t proc proc /proc
mount -t tmpfs tmpfs /tmp
mkdir -p $CHROOT_PATH/root
mkdir -p $CHROOT_PATH/rw
mkdir -p /tmp/union
mount --bind / $CHROOT_PATH/root
$UBIN $FUSE_OPT $UNION_OPT /rw=RW:/root=RO /tmp/union
mount -t proc proc /tmp/union/proc
cd /tmp/union
mkdir oldroot
pivot_root . oldroot
init q
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