#!/bin/bash

ROOT=$PWD
REV=$1
LOGFILE=${ROOT}/logs/${REV}.log

function im-not-the-next() {
    for i in `ls queue`
    do
	if [ $i -lt $REV ]; then
	    true
	    return
	fi
    done
    false
}

function make-dir () {
    if [ ! -d $1 ]; then
	mkdir $1
    fi
}

function makecheck () {
    if [ `which $(echo $CXX|cut -f1 -d' ' )` ]; then
	make-dir $ODIR &&
	cd $ODIR &&
	time ../trunk/configure $* &&
	time make check &&
	cd .. 
    else
	echo
	echo '***************************************************************'
	echo "  COMPILER $CXX CANNOT BE FOUND"
	echo '***************************************************************'
	echo
    fi
}

function check-compilers() {
cd trunk &&
autoreconf -vi &&
cd .. &&
# ODIR=gcc-3.3 CXX=g++-3.3 CXXFLAGS='-W -Wall -Werror' makecheck --enable-demo --enable-benchmark &&
# ODIR=gcc-3.4 CXX=g++-3.4 CXXFLAGS='-W -Wall -Werror' makecheck --enable-demo --enable-benchmark &&
# ODIR=gcc-4.0 CXX=g++-4.0 CXXFLAGS='-W -Wall -Werror' makecheck --enable-demo --enable-benchmark &&
ODIR=gcc-4.1 CXX=g++-4.1 CXXFLAGS='-W -Wall -Werror' makecheck --enable-demo --enable-benchmark &&
# # ODIR=icc-8.0 CXX=icpc-8.0 CXXFLAGS='-Werror' makecheck --enable-demo --enable-benchmark &&
# ODIR=icc-9.0 CXX='icpc-9.0' CXXFLAGS='-Werror' makecheck --enable-demo --enable-benchmark &&
# ODIR=mingw CXX='g++' makecheck --with-msw --target=i586-mingw32msvc --host=i586-mingw32msvc --build=i386-linux --without-glpk &&
echo &&
echo '**********************************************************************' &&
echo '   REPOSITORY SEEMS OK' &&
echo '**********************************************************************' &&
echo
}

if [ $# -eq 0 ]; then
    echo 'Usage:'
    echo '   commit-checker --init'
    echo '   commit-checker revision'
    exit 1
elif [ $1 = '--init' ]; then
    rm -rf queue
    mkdir queue
    make-dir logs
    rm -rf trunk
    svn co https://lemon.cs.elte.hu/svn/hugo/trunk
    exit 0
fi

touch ${ROOT}/queue/$REV

while im-not-the-next; do
    sleep 10
done

echo RUN $REV

svn up -r$REV trunk >${LOGFILE} 2>&1

AUTHOR=`svn info trunk|grep 'Last Changed Author:'|cut -d ' ' -f 4`
EMAIL=`awk '$1=="'${AUTHOR}'" {print $2}' <${ROOT}/e-mails`

echo '

*************************************************************
Check revision '${REV}' of '${AUTHOR}' ('${EMAIL}')
*************************************************************

'>>${LOGFILE} 2>&1

if check-compilers >>${LOGFILE} 2>&1
then
    echo -n
    echo OK $AUTHOR $EMAIL $REV
else
    echo NEMOK $AUTHOR $EMAIL $REV
    echo 'Dear '${AUTHOR}',
Your svn commit -r'${REV}' made the repository broken.
The compilation log is attached.
Please fix the problem as soon as possible.

Best regards,
LEMON Commit Checking Service
'|
    mail -a ${LOGFILE} -s '[LEMON-SVN] WARNING: Broken repository' \
	${EMAIL} alpar@cs.elte.hu
fi
    
#    rm ${LOGFILE}
rm ${ROOT}/queue/$REV