bin/chroot_pick at master · Tailszefox/bin · GitHub

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#!/bin/bash

# Switch to a specific chroot

user=`whoami`

if [[ $user != "root" ]]; then
    echo "Running $0 as root..."
    sudo $0 $@
    exit
fi

if [[ $# -eq 0 ]]; then
    echo "Available chroot:"
    ls -l /chroot

    echo ""
    read -e -p "Use /chroot/" chroot
else
    chroot="$1"
fi

if [[ ! -d "/chroot/$chroot" ]]; then
    echo "/chroot/$chroot does not exist"
    exit
fi

#if mountpoint -q "/chroot/$chroot/media/olddd"; then
#    echo "olddd already mounted"
#else
#    mount /dev/sdb1 /chroot/$chroot/media/olddd
#fi

if mountpoint -q "/chroot/$chroot/dev/pts"; then
	echo "pts already mounted"
else
	mount --bind /dev/pts /chroot/$chroot/dev/pts
fi

if mountpoint -q "/chroot/$chroot/proc"; then
        echo "proc already mounted"
else
	mount --bind /proc /chroot/$chroot/proc
fi

if mountpoint -q "/chroot/$chroot/sys"; then
        echo "sys already mounted"
else
        mount --bind /sys /chroot/$chroot/sys
fi

chroot /chroot/$chroot