version.sh

   1 #!/bin/sh
   2
   3 OS=`uname -s`
   4 case "$OS" in
   5   CYGWIN*|Linux|MINGW*)
   6     last_cvs_update=`date -r CVS/Entries +%y%m%d-%H:%M 2>/dev/null`
   7     ;;
   8   Darwin|*BSD*)
   9     # BSD 'date -r' does not print modification time
  10     # LC_ALL=C sets month/day order and English language in the date string
  11     # The if in the awk call works around wrong day/month order.
  12     last_cvs_update=`LC_ALL=C ls -lT CVS/Entries | \
  13       awk '{ \
  14         day=$7; \
  15         month=index(" JanFebMarAprMayJunJulAugSepOctNovDec", $6); \
  16         if(month==0) { \
  17           day=$6; \
  18           month=index(" JanFebMarAprMayJunJulAugSepOctNovDec",$7); } \
  19         printf("%s%.02d%.02d-%s", \
  20           substr($9, 3, 2), (month+1)/3, day, substr($8, 0, 5)); \
  21       }'`
  22     ;;
  23   *)
  24     last_cvs_update=`date +%y%m%d-%H:%M`
  25     ;;
  26 esac
  27
  28 extra=""
  29 if test "$1" ; then
  30   extra="-$1"
  31 fi
  32 echo "#define VERSION \"dev-CVS-${last_cvs_update}${extra}\"" >version.h