gitweb: Add git_merge sub
[git/gsoc2010-gitweb.git] / GIT-VERSION-GEN
blobe45513dee938dde3a8428a833fb43023b04ca95b
1 #!/bin/sh
3 GVF=GIT-VERSION-FILE
4 DEF_VER=v1.7.1.GIT
6 LF='
9 # First see if there is a version file (included in release tarballs),
10 # then try git-describe, then default.
11 if test -f version
12 then
13 VN=$(cat version) || VN="$DEF_VER"
14 elif test -d .git -o -f .git &&
15 VN=$(git describe --match "v[0-9]*" --abbrev=4 HEAD 2>/dev/null) &&
16 case "$VN" in
17 *$LF*) (exit 1) ;;
18 v[0-9]*)
19 git update-index -q --refresh
20 test -z "$(git diff-index --name-only HEAD --)" ||
21 VN="$VN-dirty" ;;
22 esac
23 then
24 VN=$(echo "$VN" | sed -e 's/-/./g');
25 else
26 VN="$DEF_VER"
29 VN=$(expr "$VN" : v*'\(.*\)')
31 if test -r $GVF
32 then
33 VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
34 else
35 VC=unset
37 test "$VN" = "$VC" || {
38 echo >&2 "GIT_VERSION = $VN"
39 echo "GIT_VERSION = $VN" >$GVF