#!/bin/sh

# SPDX-License-Identifier: MIT-0

# set the default value

XDG_DATA_DIRS="${XDG_DATA_DIRS:-/usr/local/share/:/usr/share}"

# add a directory if it exists

if [ -d /opt/foo/share ]; then

XDG_DATA_DIRS="/opt/foo/share:${XDG_DATA_DIRS}"

fi

# write our output

echo "XDG_DATA_DIRS=${XDG_DATA_DIRS}"