GIT-VERSION-GEN

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