#!/bin/bash

set -e

# determine the pycbc git branch and origin
git branch -vvv
if test x$TRAVIS_PULL_REQUEST = "xfalse" ; then
    PYCBC_CODE="--pycbc-commit=${TRAVIS_COMMIT}"
else
    PYCBC_CODE="--pycbc-fetch-ref=refs/pull/${TRAVIS_PULL_REQUEST}/merge"
fi

# set the lalsuite checkout to use
LALSUITE_CODE="--lalsuite-commit=8cbd1b7187ce3ed9a825d6ed11cc432f3cfde9a5"

echo -e "\\n>> [`date`] Ubuntu build"

# store the travis test directory
LOCAL=${PWD}

# create working dir for build script
BUILD=${HOME}/build
mkdir -p ${BUILD}
export PYTHONUSERBASE=${BUILD}/.local
export XDG_CACHE_HOME=${BUILD}/.cache

# run the einstein at home build and test script
pushd ${BUILD}
${LOCAL}/tools/einsteinathome/pycbc_build_eah.sh ${LALSUITE_CODE} ${PYCBC_CODE} --clean-pycbc --silent-build --download-url=https://git.ligo.org/ligo-cbc/pycbc-software/raw/710a51f4770cbba77f61dfb798472bebe6c43d38/travis
popd

# setup the pycbc environment to run the additional travis tests
BUILDDIRNAME="pycbc-build"
PYCBC="$BUILD/$BUILDDIRNAME"
PYTHON_PREFIX="$PYCBC"
ENVIRONMENT="$PYCBC/environment"
PREFIX="$ENVIRONMENT"
PATH="$PREFIX/bin:$PYTHON_PREFIX/bin:$PATH"
export LD_LIBRARY_PATH="$PREFIX/lib:$PREFIX/bin:$PYTHON_PREFIX/lib:/usr/local/lib:$LD_LIBRARY_PATH"
export PKG_CONFIG_PATH="$PREFIX/lib/pkgconfig:$PYTHON_PREFIX/lib/pkgconfig:/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH"
source ${BUILD}/pycbc-build/environment/etc/lalsuite-user-env.sh
source ${BUILD}/pycbc-build/environment/bin/activate

# update setuptools
pip install --upgrade pip setuptools

# needed by mock 
pip install 'setuptools==18.2' --upgrade

# FIXME this is a fix for https://github.com/travis-ci/travis-ci/issues/7940
# as Pegasus pulls in boto which hits this issue
export BOTO_CONFIG=/dev/null

# install pegasus

# FIXME this is a workaround for a bug in psycopg2 2.6 (required by pegasus)
# see e.g. https://stackoverflow.com/questions/47044854/error-installing-psycopg2-2-6-2
echo -e "Trying to get rid of pg_config"
sudo apt-get -y purge libpq-dev
echo -e "Making sure it is really gone..."
if [ -n "`which pg_config`" ]
then
    echo -e "...still here:"
    which pg_config
    sudo rm -f `which pg_config`
else
    echo -e "...seems gone"
fi

pip install http://download.pegasus.isi.edu/pegasus/4.7.5/pegasus-python-source-4.7.5.tar.gz

# install the segment database tools
pip install dqsegdb

# install the packges needed to build the documentation
pip install "Sphinx>=1.5.0"
pip install sphinx-rtd-theme
pip install sphinxcontrib-programoutput

# get library needed to build documentation
wget_opts="-c --passive-ftp --no-check-certificate --tries=5 --timeout=30"
primary_url="https://git.ligo.org/ligo-cbc/pycbc-software/raw/cea5bd67440f6c3195c555a388def3cc6d695a5c/x86_64/composer_xe_2015.0.090"
secondary_url="https://www.atlas.aei.uni-hannover.de/~dbrown/cea5bd67440f6c3195c555a388def3cc6d695a5c/x86_64/composer_xe_2015.0.090"
p="libmkl_rt.so"
pushd ${BUILD}/pycbc-sources
set +e
test -r $p || wget $wget_opts ${primary_url}/${p}
set -e
test -r $p || wget $wget_opts ${secondary_url}/${p}
cp -v $p $PREFIX/lib/$p
chmod +x $PREFIX/lib/$p
popd

# re-install pycbc
python setup.py install