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#!/bin/bash
#
# Chroot mass upgrader.
#
BASE="/var/chroot/"
if [ "`whoami`" != 'root' ]; then
sudo="sudo"
fi
for chroot in `ls $BASE`; do
folder="$BASE/$chroot"
if [ -f "$folder/etc/debian_version" ]; then
echo "Upgrading $folder..."
$sudo mount none -t proc $folder/proc
$sudo mount -o bind /dev $folder/dev
$sudo cp /etc/resolv.conf $folder/etc
$sudo chroot $folder apt-get update
$sudo chroot $folder apt-get dist-upgrade -y
$sudo umount $folder/proc
$sudo umount $folder/dev
fi
done
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