#!/bin/bash

#

# install the sofa package into the $EVNDISPSYS directory

#

# see https://www.iausofa.org for a description

#

#

set -e

echo "Installation of sofa into $EVNDISPSYS "

[[ "$1" ]] && DOWNL=$1 || DOWNL=""

CURDIR=$(pwd)

cd "$EVNDISPSYS"

echo "Checking for existing sofa installation "

if [ -d "sofa" ] && [ -d "sofa/lib" ]

then

echo "Error, sofa directory exists. Please remove."

cd "$CURDIR"

exit

fi

mkdir -p sofa

cd sofa

# get sofa package from the web page and install

SOFAD="20231011"

SOFA="sofa_c-${SOFAD}.tar.gz"

# Determine download URL

if [[ $DOWNL == "CI" ]]; then

URL="https://syncandshare.desy.de/index.php/s/RamRFYJtZjDGsfL/download"

else

URL="https://www.iausofa.org/2021_0512_C/${SOFA}"

fi

echo "Downloading ${SOFA} from ${URL}"

# Prefer curl; fallback to wget

if command -v curl >/dev/null 2>&1; then

if [[ $DOWNL == "CI" ]]; then

curl -L "${URL}" -o "${SOFA}"

else

curl -L "${URL}" -o "${SOFA}"

fi

elif command -v wget >/dev/null 2>&1; then

if [[ $DOWNL == "CI" ]]; then

wget "${URL}" -O "${SOFA}"

else

wget --no-check-certificate "${URL}" -O "${SOFA}"

fi

else

echo "Error: neither curl nor wget is installed."

exit 1

fi

if [ ! -e "${SOFA}" ]; then

echo "error in downloading sofa package"

exit 1

fi

tar -xzf "${SOFA}"

rm -f "${SOFA}"

##########################

# prepare make file

cd sofa/${SOFAD}/c/src/

sed -i -- "s/\$(HOME)/\$(EVNDISPSYS)\/sofa/" makefile

# use clang on OSX

OS=$(uname -s)

echo "$OS"

if [ "$OS" = "Darwin" ]

then

sed -i -- 's/gcc/clang/' makefile

else

sed -i -- 's/pedantic/pedantic -fPIC/' makefile

fi

# make and install

make

make install

make clean

cd ../../../../

rm -rf sofa

echo "Installation completed"

echo "Please set the following environmental variable: "

echo "export SOFASYS=$EVNDISPSYS/sofa"

cd "$CURDIR"