--- /dev/null
+#!/bin/bash
+#set -x
+
+#configuration
+TODAY=`date +%Y%m%d`
+YESTERDAY=`date -d yesterday +%Y%m%d`
+TMPDIRNAME=$HOME/__${TODAY}_crontab
+TMPDIRNAMEOLD=$HOME/__${YESTERDAY}_crontab
+SVNROOT="svn+ssh://mowgli.cs.unibo.it/local/svn/helm/trunk/"
+SHELLTIME2CENTSPHP=scripts/shell_time2cents.php
+SHELLADDERPHP=scripts/shell_adder.php
+COMMONPHP=scripts/public_html/common.php
+MYSQL="mysql -u helm -h mowgli.cs.unibo.it matita"
+SQLQMARK="select distinct mark from bench where mark like '%s%%' order by mark;"
+SQLQTIME="select SUM(timeuser) from bench where mark = '%s' group by mark;"
+SQLQFAILCOUNT="select count(distinct test) from bench where mark = '%s' and result = 'fail';"
+SQLQFAIL="select distinct test from bench where mark = '%s' and result = 'fail';"
+URL="http://mowgli.cs.unibo.it/~sacerdot/bench.php"
+
+#initialization
+OLD=$PWD
+mkdir -p $TMPDIRNAME
+rm -rf $TMPDIRNAMEOLD
+cd $TMPDIRNAME
+rm -rf helm
+svn co ${SVNROOT}helm/software/matita/scripts/ > LOG.svn 2>&1
+
+#run tests
+scripts/profile_svn.sh 2> LOG
+
+MARK=`printf "$SQLQMARK" "$TODAY" | $MYSQL | tail -n 1`
+LASTMARK=`printf "$SQLQMARK" "$YESTERDAY" | $MYSQL | tail -n 1`
+
+if [ -z "$MARK" ]; then
+ echo "No benchmark records for $TODAY"
+ exit 1
+fi
+
+if [ -z "$LASTMARK" ]; then
+ echo "No benchmark records for $YESTERDAY"
+ exit 1
+fi
+
+#check for slowdown
+CUR_TIME=`printf "$SQLQTIME" "$MARK" | $MYSQL | tail -n 1`
+OLD_TIME=`printf "$SQLQTIME" "$LASTMARK" | $MYSQL | tail -n 1`
+
+if [ -z "$CUR_TIME" -o -z "$OLD_TIME" ]; then
+ cat <<EOT
+
+ Unable to calculate total time amounts:
+
+ `printf "$SQLQTIME" "$MARK"`
+
+ or
+
+ `printf "$SQLQTIME" "$LASTMARK"`
+
+ gave an empty result
+
+EOT
+fi
+
+((DELTA= $CUR_TIME - $OLD_TIME))
+if [ "$DELTA" -lt 0 ]; then
+ PERC=0
+else
+ PERC=`lua5.1 scripts/functions.lua proportion $DELTA x $OLD_TIME 100`
+fi
+if [ "$PERC" -ge 5 ]; then
+ cat <<EOT
+
+ Performance loss detected (MARK $MARK vs MARK $LASTMARK)
+
+ Is: `lua5.1 scripts/functions.lua t2s $CUR_TIME`
+ Was: `lua5.1 scripts/functions.lua t2s $OLD_TIME`
+
+ For details: $URL
+EOT
+fi
+
+#check for more broken tests
+CUR_FAIL=`printf "$SQLQFAILCOUNT" "$MARK" | $MYSQL | tail -n 1`
+OLD_FAIL=`printf "$SQLQFAILCOUNT" "$LASTMARK" | $MYSQL | tail -n 1`
+
+if [ "$CUR_FAIL" -gt "$OLD_FAIL" ]; then
+ TMP1=`mktemp`
+ TMP2=`mktemp`
+ TMP3=`mktemp`
+ printf "$SQLQFAIL" "$MARK" | $MYSQL > $TMP1
+ printf "$SQLQFAIL" "$LASTMARK" | $MYSQL > $TMP2
+ combine $TMP1 not $TMP2 > $TMP3
+
+ cat <<EOT
+
+ More broken tests detected (MARK $MARK vs MARK $LASTMARK)
+ Is: $CUR_FAIL
+ Was: $OLD_FAIL
+
+ Tests that are broken in $MARK but where not broken in $LASTMARK:
+`cat $TMP3`
+
+ List of broken tests in mark $MARK:
+`cat $TMP1`
+
+ List of broken tests in old mark $LASTMARK:
+`cat $TMP2`
+
+ For details: $URL
+EOT
+
+ rm $TMP1 $TMP2 $TMP3
+fi
+
+cd $OLD
+#rm -rf $TMPDIRNAME
+