#!/bin/bash

set -e

basedir=$(cd $(dirname $0)/..; echo $PWD)
CVS2CL=$basedir/cvs2cl

cd $basedir
rm -f ChangeLog
tmpfile=CHANGES-long.new
trap "rm -f $tmpfile" EXIT
echo $(date '+%Y-%m-%d %H:%M') $LOGNAME >$tmpfile
echo "" >>$tmpfile

source $basedir/VERSION
echo "- Before $VERSION:">>$tmpfile
echo "" >>$tmpfile

LAST_TAG="$1"
if [ -z "$LAST_TAG" ]; then
    LAST_TAG=$(cvs stat -v VERSION  | awk '/LCG-DM_R_/ { print $1 }' | head -1)
fi

echo "Summarizing changes since '$LAST_TAG'..."

$CVS2CL --fsf --delta $LAST_TAG:HEAD
awk '/^2/ { dateline=2 } { if (dateline > 0) { dateline=dateline-1 } else { print }}' ChangeLog >>$tmpfile
rm -f ChangeLog

cat CHANGES-long >>$tmpfile
mv $tmpfile CHANGES-long
trap "" EXIT

