GIT-VERSION-GEN

   1 #!/bin/sh
   2
   3 GVF=GIT-VERSION-FILE
   4 DEF_VER=v1.5.4.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 &&
  15         VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
  16         case "$VN" in
  17         *$LF*) (exit 1) ;;
  18         v[0-9]*)
  19                 git diff-index --quiet HEAD || VN="$VN-dirty" ;;
  20         esac
  21 then
  22         VN=$(echo "$VN" | sed -e 's/-/./g');
  23 else
  24         VN="$DEF_VER"
  25 fi
  26
  27 VN=$(expr "$VN" : v*'\(.*\)')
  28
  29 if test -r $GVF
  30 then
  31         VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
  32 else
  33         VC=unset
  34 fi
  35 test "$VN" = "$VC" || {
  36         echo >&2 "GIT_VERSION = $VN"
  37         echo "GIT_VERSION = $VN" >$GVF
  38 }
  39
  40