#!/bin/bash
##############################################################################
#
# bootstrap
# -----------------------
# Setup a virtualenv, without ever using sudo.
#
# @author Isis Agora Lovecruft, 0x2cdb8b35
# @date 18 February 2013
# @version 0.0.1
##############################################################################

set -ex --

PYTHON=$(which python)
GIT=$(which git)

VENV_VERSION=1.8.4
VENV_URL=https://pypi.python.org/packages/source/v/virtualenv
VENV_TARBALL=virtualenv-${VENV_VERSION}.tar.gz

VENV_WRAPPER_VERSION=3.6
VENV_WRAPPER_URL=https://pypi.python.org/packages/source/v/virtualenvwrapper
VENV_WRAPPER_TARBALL=virtualenvwrapper-${VENV_WRAPPER_VERSION}.tar.gz

BOOTSTRAP_ENV=.bootstrap
BOOTSTRAP_OPTS='--no-site-packages --setuptools --unzip-setuptools --never-download'

PACKAGE_NAME=leap_mx
PACKAGE_URL=https://github.com/isislovecruft/leap_mx.git
PACKAGE_WORKON=${PWD}/${PACKAGE_NAME}
PACKAGE_REQUIREMENTS=${PACKAGE_WORKON}/pkg/mx-requirements.pip
PACKAGE_OPTS=${BOOTSTRAP_OPTS}'' ## xxx add parameter for extra options

echo 'Downloading virtualenv source from'
echo "${VENV_URL}..."
\wget -O ${VENV_TARBALL} ${VENV_URL}/${VENV_TARBALL}
tar xvzf ${VENV_TARBALL} 

echo 'Downloading virtualenv-wrapper source from:'
echo "${VENV_WRAPPER_URL}"
\wget -O $VENV_WRAPPER_TARBALL ${VENV_WRAPPER_URL}/${VENV_WRAPPER_TARBALL}
tar xvzf virtualenvwrapper-${VENV_WRAPPER_VERSION}.tar.gz


echo 'Creating initial virtualenv bootstrap environment, called "bootstrap"'
echo 'in which we will install virtualenv, to avoid using sudo.'
$PYTHON virtualenv-${VENV_VERSION}/virtualenv.py $BOOTSTRAP_OPTS $BOOTSTRAP_ENV
rm -rf virtualenv-${VENV_VERSION}
${BOOTSTRAP_ENV}/bin/pip install ${VENV_TARBALL}
echo 'Installing virtualenvwrapper in "bootstrap" virtualenv...'
${BOOTSTRAP_ENV}/bin/pip install ${VENV_WRAPPER_TARBALL}

echo 'Using "bootstrap" virtualenv to create project virtualenv...'
source ${BOOTSTRAP_ENV}/local/bin/virtualenvwrapper.sh
echo "Cloning from ${PACKAGE_URL}..."
${GIT} clone ${PACKAGE_URL} ${PACKAGE_NAME}
mkvirtualenv -a $PROJECT_WORKON -r ${PACKAGE_REQUIREMENTS} \
    ${PACKAGE_OPTS} ${PACKAGE_NAME}