#!/bin/sh
#
# Print a prompt fragment naming the active sh-ves environment, for
# inclusion in a POSIX shell's PS1 string. Prints nothing when no
# environment is active.
#

if [ $# -lt 1 ]; then
    sym="VENV"
else
    sym="$1"
fi

if [ -n "$SHVES_ENV_NM" ]; then
    printf "(%s %s)" "$sym" "$SHVES_ENV_NM"
fi