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 $svn_revision && svn_revision=SVN-r$svn_revision
  12 test $svn_revision || svn_revision=UNKNOWN
  13
  14 # releases extract the version number from the VERSION file
  15 version=$(cat VERSION 2> /dev/null)
  16 test $version || version=$svn_revision
  17
  18 NEW_REVISION="#define VERSION \"${version}${extra}\""
  19 OLD_REVISION=$(head -n 1 version.h 2> /dev/null)
  20 TITLE='#define MP_TITLE "%s "VERSION" (C) 2000-2010 MPlayer Team\n"'
  21
  22 # Update version.h only on revision changes to avoid spurious rebuilds
  23 if test "$NEW_REVISION" != "$OLD_REVISION"; then
  24     cat <<EOF > version.h
  25 $NEW_REVISION
  26 $TITLE
  27 EOF
  28 fi