#!/bin/bash
# Wrapper to deal with newer Ubuntu versions that don't have py2 installed
# by default.

declare -a DEPS=('apt' 'netaddr' 'netifaces' 'pip' 'yaml')

wait_for_dpkg_unlock() {
    while $(fuser -s /var/lib/dpkg/lock); do sleep .5;done
}

check_and_install() {
    pkg="${1}-${2}"
    if ! dpkg -s ${pkg} 2>&1 > /dev/null; then
        wait_for_dpkg_unlock
        apt-get -y install ${pkg}
    fi
}

PYTHON="python"

for dep in ${DEPS[@]}; do
    check_and_install ${PYTHON} ${dep}
done

exec ./hooks/install.real