version.sh

   1 #!/bin/sh
   2
   3 test "$1" && extra="-$1"
   4
   5 svn_revision=`LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
   6 test $svn_revision || svn_revision=`grep revision .svn/entries | \
   7                                     cut -d '"' -f2 2> /dev/null`
   8 test $svn_revision || svn_revision=UNKNOWN
   9
  10 NEW_REVISION="#define VERSION \"dev-SVN-r${svn_revision}${extra}\""
  11 OLD_REVISION=`cat version.h 2> /dev/null`
  12
  13 # Update version.h only on revision changes to avoid spurious rebuilds
  14 if test "$NEW_REVISION" != "$OLD_REVISION"; then
  15     echo "$NEW_REVISION" > version.h
  16 fi