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#!/bin/sh
usage()
{
echo "This script filter the ooo-build NEWS file to show only the changes"
echo "that are not mentioned in another NEWS file from another branch."
echo
echo "Usage: ${0##*/} new_news other_news"
echo
echo "Parameters:"
echo
echo " new_news news files including some newer changes"
echo " other_news news file from other ooo-build branch that"
echo " includes some changes from new_news"
}
if test "$1" = "--help" -o $# -ne 2 ; then
usage
exit 0;
fi
new_news="$1"
other_news="$2"
for file in "$new_news" "$other_news" ; do
if test ! -f "$file" ; then
echo "Error: the file does not exist: $file"
exit 1;
fi
done
# create grep patterns from the other news file
# do not put there version and section lines; just changes entries
patterns=`mktemp /tmp/ooo-news-filer-old-XXXXXX`
grep "^ + " "$other_news" | \
sed -e "s|\#|\\\#|" \
-e "s|\[|\\\[|" \
-e "s|\]|\\\]|" >"$patterns"
# print the new log without the old entries
echo "Filtering - go and have some tee..." 1>&2
grep -f "$patterns" -v "$new_news"
# remove temporary files
rm $patterns
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