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#!/bin/sh
# This script determines actual module version.
PATH=$PATH:/usr/local/bin:/usr/bin:/bin
# Base version from the source.
MVERSION=`sed -n 's/^#define.*IPT_NETFLOW_VERSION.*"\(.*\)".*/\1/p' ipt_NETFLOW.c`
# GITVERSION overrides base version.
if [ -e version.h ] && grep -q GITVERSION version.h; then
MVERSION=`sed -n 's/#define GITVERSION "\(.*\)".*/\1/p' version.h`
fi
# git describe overrides version from the source.
if [ -d .git ] && which git >/dev/null 2>&1; then \
GVERSION=`git describe --dirty 2>/dev/null`
if [ "$GVERSION" ]; then
MVERSION=${GVERSION#v}
fi
else
GVERSION=
fi
if [ "$1" = --define ]; then
# called from Makefile to create version.h
# which should contain GITVERSION or be empty.
if [ "$GVERSION" ]; then
echo "#define GITVERSION \"$MVERSION\""
else
echo "/* placeholder, because kernel doesn't like empty files */"
fi
else
# normal run
echo $MVERSION
fi
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