1#!/bin/sh
2
3GVF=GIT-VERSION-FILE
4DEF_VER=v1.5.6.GIT
5
6LF='
7'
8
9# First see if there is a version file (included in release tarballs),
10# then try git-describe, then default.
11if test -f version
12then
13 VN=$(cat version) || VN="$DEF_VER"
14elif test -d .git -o -f .git &&
15 VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
16 case "$VN" in
17 *$LF*) (exit 1) ;;
18 v[0-9]*)
19 test -z "$(git diff-index --name-only HEAD --)" ||
20 VN="$VN-dirty" ;;
21 esac
22then
23 VN=$(echo "$VN" | sed -e 's/-/./g');
24else
25 VN="$DEF_VER"
26fi
27
28VN=$(expr "$VN" : v*'\(.*\)')
29
30if test -r $GVF
31then
32 VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
33else
34 VC=unset
35fi
36test "$VN" = "$VC" || {
37 echo >&2 "GIT_VERSION = $VN"
38 echo "GIT_VERSION = $VN" >$GVF
39}
40
41