GIT-VERSION-GEN

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