#!/bin/sh
set -e

if [ -f /etc/debian_version ]; then
    for package in python3-pip python3-dev python3-xmltodict python3-pika libevent-dev libxml2-dev libxslt-dev zlib1g-dev; do
        if [ "$(dpkg --status -- $package 2>/dev/null|sed -n 's/^Status: //p')" != "install ok installed" ]; then
            # add a space after old values
            missing="${missing:+$missing }$package"
        fi
    done
    if [ -n "$missing" ]; then
        echo "$0: missing required DEB packages. Installing via sudo." 1>&2
        sudo apt-get -y install $missing
    fi
fi
if [ -f /etc/redhat-release ]; then
    for package in python3-pip python3-devel python3-xmltodict python3-pika libevent-devel libxml2-devel libxslt-devel zlib-devel; do
        if [ "$(rpm -qa $package 2>/dev/null)" == "" ]; then
            missing="${missing:+$missing }$package"
        fi
    done
    if [ -n "$missing" ]; then
        echo "$0: missing required RPM packages. Installing via sudo." 1>&2
        sudo yum -y install $missing
    fi
fi

python3 -m venv --system-site-packages virtualenv

# avoid pip bugs
./virtualenv/bin/pip install --upgrade pip
#pip3 install --upgrade setuptools cffi  # address pip issue: https://github.com/pypa/pip/issues/6264

# work-around change in pip 1.5
#./virtualenv/bin/pip install six
#./virtualenv/bin/pip install -I nose
#./virtualenv/bin/pip install setuptools

./virtualenv/bin/pip install -U -r requirements.txt

# forbid setuptools from using the network because it'll try to use
# easy_install, and we really wanted pip; next line will fail if pip
# requirements.txt does not match setup.py requirements -- sucky but
# good enough for now
./virtualenv/bin/python setup.py develop