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