#!/bin/bash
#
# Copyright (C) 2003 Ondrej Lhotak
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
CONTEST_DIR=`dirname $0`/..;

if [ $# -ne 1 ]; then
    echo Bad usage: $*;
    exit 1;
fi

if [ ! -e $CONTEST_DIR/var/submissions/$1.* ]; then
    echo No submission with number $1.
    exit 1;
fi

if ! $CONTEST_DIR/bin/has_been_judged $1 ; then
    echo Submission $1 has not been judged.
    exit 1;
fi

FILE=`echo $CONTEST_DIR/var/submissions/$1.*`;
EXTENSION=${FILE/*./}
TMP=${FILE/%.$EXTENSION/}
PROBLEM=${TMP/*./}
TMP=${FILE/%.$PROBLEM.$EXTENSION/}
TEAM=${TMP/*./}

echo `$CONTEST_DIR/bin/timestamp`:U:$1 >> $CONTEST_DIR/var/log
echo Submission $1 has been unjudged.
SUB=sub`perl -e 'print 2000000000-time;'`
echo "Submission of problem $PROBLEM has been unjudged" > $CONTEST_DIR/var/submitdirs/$TEAM/$SUB;
