#!/bin/bash
# Copyright 2015-2016 Myriad Group AG. All Rights Reserved.
#

ROOT=$1

if [ "" == "$ROOT" ]; then
    echo "Please set the root path of Alien chroot env."
    exit
fi

echo "Set up Alien chroot env under $ROOT"

for d in bin sbin lib usr var tmp dev sys run proc home system_jolla data_jolla vendor odm data media; do
    if [ ! -d $ROOT/$d ]; then
        echo "create $ROOT/$d"
        mkdir $ROOT/$d
    fi
done

# hack
if [ ! -d $ROOT/etc ]; then
    echo "create $ROOT/etc"
    mkdir $ROOT/etc
fi

if [ -e "/usr/sbin/apkd-mount" ]; then
    # Mount $ROOT/data to somewhere decided by apkd.
    echo "apkd-mount $ROOT"
    /usr/sbin/apkd-mount $ROOT
fi

for d in bin sbin lib usr var tmp home; do
    if [ "" == "$(grep $ROOT/$d /proc/mounts)" ]; then
        echo "mount $ROOT/$d"
        mount --bind /$d $ROOT/$d
    fi
done

# hack
if [ "" == "$(grep $ROOT/etc /proc/mounts)" ]; then
    echo "mount $ROOT/etc"
    mount --bind /opt/alien/system/etc $ROOT/etc
fi

for d in dev sys run media vendor odm; do
    if [ -d "/$d" ]; then
        if [ "" == "$(grep $ROOT/$d /proc/mounts)" ]; then
            echo "mount $ROOT/$d"
            mount --rbind /$d $ROOT/$d
            mount --make-rslave $ROOT/$d
        fi
    fi
done

for d in system data; do
    if [ "" == "$(grep $ROOT/${d}'_jolla' /proc/mounts)" ]; then
        echo "mount $ROOT/$d"
        mount --bind /$d $ROOT/${d}"_jolla"
    fi
done

if [ "" == "$(grep $ROOT/proc /proc/mounts)" ]; then
    echo "mount $ROOT/proc"
    mount -t proc proc $ROOT/proc/
fi