if [ "x$GSDL3_EXTCLI_HOME" = "x" ] ; then
    if [ -f ../../gs3-setup-cli.sh ] ; then
	store_cwd=$PWD
	cd ../.. && source ./gs3-setup-cli.sh
	cd "$store_cwd"
    elif [ -f ../../../gs3-setup-cli.sh ] ; then
	# Or might be in gs2build/ext
	store_cwd=$PWD
	cd ../../.. && source ./gs3-setup-cli.sh
	cd "$store_cwd"
    fi
fi


if [ "x$PYTHON3_HOME" = "x" ] ; then
    echo ""
    echo "Warning: Environment variable PYTHON3_HOME not set"
else
    PYTHON3_PARENT_HOME=${PYTHON3_HOME%/*}
    if [ "$PYTHON3_PARENT_HOME" != "$GSDL3_EXTCLI_HOME/selfcontained-python3" ] ; then
	echo ""
	echo "Warning: Environment variable PYTHON3_HOME is set, but its immediate parent directory "
	echo "         is not the directory \$GSDL3_EXTCLI_HOME/selfcontained-python3:"
	echo "           $GSDL3_EXTCLI_HOME/selfcontained-python3"
    fi
fi

export HOME="$GSDL3_EXTCLI_HOME/python3-user-home"

if [ ! -d "$HOME" ] ; then
    echo ""
    echo "Creating directory:"
    echo "  $HOME"
    mkdir "$HOME"
fi

echo ""
echo "Changing the value of \$HOME to:"
echo "  $HOME"
echo ""
echo "This is so pip installed packages (which can consume significant disk space)"
echo "are stored in the same area as the Greenstone installation, rather"
echo "than the user's home"