#!/bin/sh

#
# Make superpatch from currently applied patches using combinediff.
#

. patchfns >/dev/null || . /usr/lib/patch-scripts/patchfns >/dev/null || { \
	echo "Impossible to find my library 'patchfns'."
	echo "Check your install, or go to the right directory"
	exit 1
}

usage()
{
	echo "Usage: combine-applied output-file"
	exit 1
}

if [ $# -ne 1 ] 
then
	usage
fi

need_file_there applied-patches
CURRENT=$(mktemp /tmp/cmbd-XXXXXXXX)
APPLY_FILE=$(mktemp /tmp/cmbd-XXXXXXXX)
for FILE in `cat applied-patches`
do
	if [ -f $P/pc/$FILE.pc ]
	then
		cat $P/pc/$FILE.pc >> $CURRENT	
	elif [ -f $P/pc/$FILE ]
	then
		cat $P/pc/$FILE >> $CURRENT	
	fi	
done
cat $CURRENT | sort -u > $APPLY_FILE
echo > $1
for FILE in `cat $APPLY_FILE`
do
	diff -uNp $FILE~orig $FILE >> $1 
done
rm -rf $APPLY_FILE 
rm -rf $CURRENT