#!/bin/sh
# -*- mode: utf8-unix -*-

# In Public Domain.
# Copyright (C) 2008 by Oleksandr Gavenko <gavenko_a@3g.ua>

user=
pass=
status=

while [ "$1" ]; do
    case "$1" in
        -h|-help|--help)
            echo "Usage:"
            echo " > $0 [--help] -u <user> -p <pass>"
            echo "or with long options:"
            echo " > $0 [--help] --user=<user> --password=<pass>"
            exit 0
            ;;
        -u)
            shift
            if [ "$1" == "" ]; then
                echo "Could not found username."
                exit 1
            else
                user="$1"
                status=o${status}
            fi
            ;;
        "--user="*)
            user=${1#--user=}
            status=o${status}
            ;;
        -p)
            shift
            if [ "$1" == "" ]; then
                echo "Could not found password."
                exit 1
            else
                pass="$1"
                status=${status}k
            fi
            ;;
        "--password="*)
            pass=${1#--password=}
            status=${status}k
            ;;
        *)
            echo "$1 unsuported options."
            exit 1
            ;;
    esac

    shift
done

if [ "$status" == "ok" ]; then
    md=`echo -e "${user}:trac:${pass}\c" | md5sum --binary -`
    md=${md% *-}

    echo "${user}:trac:${md}"
    exit 0
else
    echo "You give duplicate options. Try"
    echo " > $0 --help"
    exit 1
fi