#!/bin/sh
NEWVERSION=`cat VERSION`
DATE=`date "+%a, %d %b %Y %H:%M:%S %z"`
if [ ! -f $1 ]
then
    DIR=`dirname $1`
    PACKAGE=`(cd $DIR; grep Source: control | awk '{print $2}')`
    echo "$PACKAGE ($NEWVERSION) debian; urgency=low" > $1
    echo "" >> $1
    echo '  * release generated from TEI source. We do not maintain a history here of releases' >> $1
    echo "" >> $1
    echo " -- TEI <editors@www.tei-c.org>  $DATE" >> $1
else
    OLDVERSION=`head -1 $1 | awk '{print $2}' | tr -d '/\(\)/'`
    PACKAGE=`head -1 $1 | awk '{print $1}' `
    NAME=`grep  -- "^ --" $1| head -1 | sed 's/ -- \(.*\)<.*/\1/'`
    EMAIL=`grep  -- "^ --" $1 | head -1 | sed 's/.*<\(.*\)>.*/\1/'`
    if [ $OLDVERSION = $NEWVERSION ]
    then
	echo "version in Debian ($OLDVERSION) is the same as $NEWVERSION"
    else
	echo update with $NEWVERSION
	echo "$PACKAGE ($NEWVERSION) natty; urgency=low" > /tmp/changelog
	echo "" >> /tmp/changelog
	echo "  * new release from upstream" >> /tmp/changelog
	echo "" >> /tmp/changelog
	echo " -- $NAME <$EMAIL>  $DATE" >> /tmp/changelog
	echo "" >> /tmp/changelog
	cat $1 >> /tmp/changelog
	mv /tmp/changelog $1
    fi
fi