#!/bin/sh -x

CVSROOT=/home/ncvs

SPLIT_ENABLE=0

# only if split is enabled
SUMS_BEFORE2K=sums-etc-before2k.list
SUMS_AFTER2K=sums-etc-recent.list

SUMS_FILE=sums-etc-sorted.list

OTHERFILE=etc-other

if [ ${SPLIT_ENABLE} -eq 0 ]; then
	SUMS_BEFORE2K=${SUMS_FILE}
	SUMS_AFTER2K=${SUMS_FILE}
fi

# Usage: makesum etcfile rcsfile
# Examples:
# COPYRIGHT src/COPYRIGHT,v
# rc src/etc/rc,v
makesum() {
	etcfile=$1
	rcsfile=$2
	srcfile=`echo ${rcsfile} | sed 's/,v$//' | sed 's/Attic\///'`
	rlog ${CVSROOT}/${rcsfile} | \
		egrep "^revision [0-9\.]*$" | sort -n | uniq | \
	while read j i
	do
		egrep "^${etcfile} $i " *.list 2>&1 >/dev/null && continue
		# cvs will remove file anyway, but just to be safe...
		rm -f ${srcfile}
		# cvs aways return success, so don't care about it
		cvs -Rqd ${CVSROOT} co -r $i ${srcfile} \
			2>&1 > /dev/null
		if [ -f ${srcfile} ]; then
			SUMS_FILE=${SUMS_BEFORE2K}
			# is there some $Id$ after 2k?
			egrep '\$(FreeBSD|Id): [^ ]* [0-9\.]* 200.*' \
				${srcfile} && \
				SUMS_FILE=${SUMS_AFTER2K} 2>&1 >/dev/null
			md5sum=`md5 ${srcfile} | awk '{print $4}'`
			echo "${etcfile} $i ${md5sum}" >> ${SUMS_FILE}.tmp
		fi
	done
}

cat ${OTHERFILE} | \
while read otherlist
do
makesum $otherlist
done

(cd ${CVSROOT} && find src/etc -type f) | sort | \
while read rcsfile
do
	etcfile=`echo ${rcsfile} | sed 's/src\/etc\///'| \
		sed 's/,v$//' | sed 's/Attic\///'`
	makesum $etcfile $rcsfile
done

for tempfile in *.tmp;
do
	sumsfile=`basename ${tempfile} .tmp`
	mv ${sumsfile} ${sumsfile}.old
	cat ${tempfile} ${sumsfile}.old | sort -n | uniq > ${sumsfile}
	rm -f ${tempfile}
done