freebsd-dev/usr.sbin/xntpd/scripts/mkversion

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#!/bin/sh -
PROG=${1-UNKNOWN}
if [ ! -f .version ]; then
echo 0 > .version
fi
RUN="`cat .version`"
RUN="`expr $RUN + 1`"
echo $RUN > .version
DATE="`date`"
TOPDIR=`echo $0 | sed -e 's;mkversion;..;'`
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if [ -r VERSION ]; then
VERSION=VERSION
else if [ -r ${TOPDIR}/VERSION ]; then
VERSION=${TOPDIR}/VERSION
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else
VERSION=../VERSION
fi; fi
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if [ -f "$VERSION" ]; then
FLAGS="`egrep '^[0-9a-zA-Z_]+=' "$VERSION" | tr '\012' ';'` "
else
FLAGS=""
fi
echo "Version $PROG ${FLAGS}${DATE} (${RUN})";
rm -f version.c
cat > version.c << -EoF-
/*
* version file for $PROG
*/
char * Version = "$PROG ${FLAGS}${DATE} (${RUN})";
-EoF-