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#!/bin/sh
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GVF=GIT-VERSION-FILE
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DEF_VER=v1.2.GIT
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# First try git-describe, then see if there is a version file
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# (included in release tarballs), then default
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if VN=$(git-describe --abbrev=4 HEAD 2>/dev/null); then
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VN=$(echo "$VN" | sed -e 's/-/./g');
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else
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VN=$(cat version) || VN="$DEF_VER"
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fi
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VN=$(expr "$VN" : v*'\(.*\)')
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dirty=$(sh -c 'git-diff-index --name-only HEAD' 2>/dev/null) || dirty=
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case "$dirty" in
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'')
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;;
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*)
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VN="$VN-dirty" ;;
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esac
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if test -r $GVF
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then
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VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
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else
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VC=unset
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fi
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test "$VN" = "$VC" || {
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echo >&2 "GIT_VERSION = $VN"
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echo "GIT_VERSION = $VN" >$GVF
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}
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