GIT-VERSION-GEN

   1 #!/bin/sh
   2
   3 GVF=GIT-VERSION-FILE
   4 DEF_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
   8 if VN=$(git-describe --abbrev=4 HEAD 2>/dev/null); then
   9         VN=$(echo "$VN" | sed -e 's/-/./g');
  10 else
  11         VN=$(cat version) || VN="$DEF_VER"
  12 fi
  13
  14 VN=$(expr "$VN" : v*'\(.*\)')
  15
  16 dirty=$(sh -c 'git-diff-index --name-only HEAD' 2>/dev/null) || dirty=
  17 case "$dirty" in
  18 '')
  19         ;;
  20 *)
  21         VN="$VN-dirty" ;;
  22 esac
  23
  24 if test -r $GVF
  25 then
  26         VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
  27 else
  28         VC=unset
  29 fi
  30 test "$VN" = "$VC" || {
  31         echo >&2 "GIT_VERSION = $VN"
  32         echo "GIT_VERSION = $VN" >$GVF
  33 }
  34
  35