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#!/bin/sh
GVF=GIT-VERSION-FILE
VN=$(git-describe --abbrev=4 HEAD 2>/dev/null) || VN=v1.0.GIT
VN=$(expr "$VN" : v'\(.*\)')
if test -r $GVF
then
VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
else
VC=unset
fi
test "$VN" = "$VC" || {
echo >&2 "GIT_VERSION = $VN"
echo "GIT_VERSION = $VN" >$GVF
}