GIT-VERSION-GENon commit contrib/git-svn: add Makefile, test, and associated ignores (96a40b2)
   1#!/bin/sh
   2
   3GVF=GIT-VERSION-FILE
   4DEF_VER=v1.2.GIT
   5
   6# First try git-describe, then see if there is a version file
   7# (included in release tarballs), then default
   8if VN=$(git-describe --abbrev=4 HEAD 2>/dev/null); then
   9        VN=$(echo "$VN" | sed -e 's/-/./g');
  10else
  11        VN=$(cat version) || VN="$DEF_VER"
  12fi
  13
  14VN=$(expr "$VN" : v*'\(.*\)')
  15
  16dirty=$(sh -c 'git-diff-index --name-only HEAD' 2>/dev/null) || dirty=
  17case "$dirty" in
  18'')
  19        ;;
  20*)
  21        VN="$VN-dirty" ;;
  22esac
  23
  24if test -r $GVF
  25then
  26        VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
  27else
  28        VC=unset
  29fi
  30test "$VN" = "$VC" || {
  31        echo >&2 "GIT_VERSION = $VN"
  32        echo "GIT_VERSION = $VN" >$GVF
  33}
  34
  35