#!/usr/bin/env bash

cat <<"EOF"
if test -n "${ZSH_VERSION:-}"; then
    # zsh
    SCRIPT_PATH="${(%):-%x}"
elif test -n "${BASH_VERSION:-}"; then
    # bash
    SCRIPT_PATH="${BASH_SOURCE[0]}"
else
    # Unknown shell, hope below works.
    # Tested with dash
    result=$(lsof -p $$ -Fn | tail --lines=1 | xargs --max-args=2 | cut --delimiter=' ' --fields=2)
    SCRIPT_PATH=${result#n}
fi

if test -z "$SCRIPT_PATH"; then
    echo "The shell cannot be identified. \$GPHOME may not be set correctly." >&2
fi
SCRIPT_DIR="$(cd "$(dirname "${SCRIPT_PATH}")" >/dev/null 2>&1 && pwd)"

if [ ! -L "${SCRIPT_DIR}" ]; then
	GPDB_DIR=$(basename "${SCRIPT_DIR}")
else
	GPDB_DIR=$(basename "$(readlink "${SCRIPT_DIR}")")
fi
GPHOME=$(dirname "${SCRIPT_DIR}")/"${GPDB_DIR}"
EOF

cat <<"EOF"
PYTHONPATH="${GPHOME}/lib/python"
PATH="${GPHOME}/bin:${PATH}"
LD_LIBRARY_PATH="${GPHOME}/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"

if [ -e "${GPHOME}/etc/openssl.cnf" ]; then
	OPENSSL_CONF="${GPHOME}/etc/openssl.cnf"
fi

export GPHOME
export PATH
export PYTHONPATH
export LD_LIBRARY_PATH
export OPENSSL_CONF
EOF