postBuild

#!/bin/bash
#
# Written by Oliver Beckstein, 2016
#
# This script is placed into the Public Domain using the CC0 1.0 Public Domain
# Dedication https://creativecommons.org/publicdomain/zero/1.0/
#
# Install HOLE from http://www.holeprogram.org/
#
# arguments (hard coded for Binder installation on Linux)
#    OSNAME : linux | darwin
#    PREFIX : "path/to/installdir"
#
# PREFIX can be relative to CWD or an absolute path; it will be created
# and HOLE unpacked under PREFIX (the tar file contains "hole2/...")
#
#
# HOLE is used under the terms of the Apache License, Version 2.0
# (see http://www.holeprogram.org/)


set -o errexit -o nounset

SCRIPT=$(basename $0)

TARFILE_LINUX="hole2-ApacheLicense-2.2.005-Linux-x86_64.tar.gz"
DOWNLOAD_URL_LINUX="http://www.holeprogram.org/downloads/2.2.005/${TARFILE_LINUX}"


# path to dir with executables in the current HOLE distribution
HOLE_EXE_DIR=hole2/exe

function die () {
    local msg="$1" err=$2
    echo "[${SCRIPT}] ERROR: $msg [$err]"
    exit $err
}

function is_native_executable () {
    local filename="$1" OSNAME="$2"
    file "${filename}" | grep -qi ${OFORMAT}
    return $?
}

OSNAME=Linux
OFORMAT=Linux
DOWNLOAD_URL="${DOWNLOAD_URL_LINUX}"
TARFILE=${TARFILE_LINUX}

PREFIX="$HOME"

#------------------------------------------------------------
# start installation
#------------------------------------------------------------

mkdir -p "$PREFIX" && cd "$PREFIX" || die "Failed to create and cd to $PREFIX" 1
if ! test -f ${TARFILE}; then
    echo "Downloading ${TARFILE} from ${DOWNLOAD_URL}..."
    # fixing curl on travis/anaconda, see http://stackoverflow.com/a/31060428/334357
    export CURL_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
    curl -L ${DOWNLOAD_URL} -o ${TARFILE} || \
    die "Failed to download ${TARFILE} from ${DOWNLOAD_URL}" 1
fi

# only install the executables in HOLE_EXE_DIR
tar xvf ${TARFILE} ${HOLE_EXE_DIR} || die "Failed 'tar xvf ${TARFILE} ${HOLE_EXE_DIR}'" 1

MDA_HOLE_BINDIR="${PWD}/${HOLE_EXE_DIR}"
HOLE_EXE="${MDA_HOLE_BINDIR}/hole"

test -d "${MDA_HOLE_BINDIR}" || { \
    echo "Content of ${PWD}:";
    ls -la;
    die "no HOLE exe dir ${MDA_HOLE_BINDIR} in $PWD" 2; }
test -f "${HOLE_EXE}" || die "hole executable ${HOLE_EXE} not installed" 2
is_native_executable ${HOLE_EXE} ${OFORMAT} || \
    { file ${HOLE_EXE}; \
      die "${HOLE_EXE} will not run on ${OSNAME} (object format ${OFORMAT})" 3; }

# rm build artifacts (looks confusing in binder)
rm -f "${TARFILE}"

echo "HOLE executables were installed into ${MDA_HOLE_BINDIR}"
echo ">>> "

# repeat this line in .travis.yml
export PATH=${PATH}:${MDA_HOLE_BINDIR}
echo "export PATH=${MDA_HOLE_BINDIR}:${PATH}" >> ~/.bashrc