version.sh

   1 #!/bin/sh
   2
   3 test "$1" && extra="-$1"
   4
   5 # Extract revision number from file used by daily tarball snapshots
   6 # or from the places different Subversion versions have it.
   7 svn_revision=$(cat snapshot_version 2> /dev/null)
   8 test $svn_revision || svn_revision=$(LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2)
   9 test $svn_revision || svn_revision=$(grep revision .svn/entries 2>/dev/null | cut -d '"' -f2)
  10 test $svn_revision || svn_revision=$(sed -n -e '/^dir$/{n;p;q;}' .svn/entries 2>/dev/null)
  11 test $svn_revision || svn_revision=UNKNOWN
  12
  13 NEW_REVISION="#define VERSION \"SVN-r${svn_revision}${extra}\""
  14 OLD_REVISION=$(cat version.h 2> /dev/null)
  15 TITLE='#define MP_TITLE "%s "VERSION" (C) 2000-2009 MPlayer Team\n"'
  16
  17 # Update version.h only on revision changes to avoid spurious rebuilds
  18 if test "$NEW_REVISION" != "$OLD_REVISION"; then
  19     cat <<EOF > version.h
  20 $NEW_REVISION
  21 $TITLE
  22 EOF
  23 fi