#!/bin/bash
 
GVF=VERSION-FILE
DEF_VER=1.1.4
LF='
'
 
# First see if there is a version file (included in release tarballs),
# then try git-describe, then default.
if test -f version
then
	VN=$(cat version) || VN="$DEF_VER"
elif test -d .git -o -f .git &&
    VN=$(git describe --tags --match "[0-9]*" --abbrev=4 HEAD 2>/dev/null) &&
    case "$VN" in
	*$LF*) (exit 1) ;;
	[0-9]*)
	    git update-index -q --refresh
	    test -z "$(git diff-index --name-only HEAD --)" || VN="$VN-dirty"
    esac
then
    VN=$(echo "$VN" | sed -e 's/-/./g');
else
    VN="$DEF_VER"
fi
 
 
VN=$(expr "$VN" : v*'\(.*\)')
 
if test -r $GVF
then
	VC=$(sed -e 's/^IPTRAF_VERSION = //' <$GVF)
else
	VC=unset
fi
test "$VN" = "$VC" || {
	echo >&2 "IPTRAF_VERSION = $VN"
	echo "IPTRAF_VERSION = $VN" >$GVF
}