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mpv/version.sh
cehoyos 133807ced3 Avoid spurious rebuilds on svn up. The check to find out if the header file
changed compared two lines to one, which would result in false positive updates.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29140 b3059339-0415-0410-9bf9-f77b7e298cf2
2009-04-04 19:50:57 +00:00

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#!/bin/sh
test "$1" && extra="-$1"
# Extract revision number from file used by daily tarball snapshots
# or from the places different Subversion versions have it.
svn_revision=$(cat snapshot_version 2> /dev/null)
test $svn_revision || svn_revision=$(LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2)
test $svn_revision || svn_revision=$(grep revision .svn/entries 2>/dev/null | cut -d '"' -f2)
test $svn_revision || svn_revision=$(sed -n -e '/^dir$/{n;p;q;}' .svn/entries 2>/dev/null)
test $svn_revision && svn_revision=SVN-r$svn_revision
test $svn_revision || svn_revision=UNKNOWN
# releases extract the version number from the VERSION file
version=$(cat VERSION 2> /dev/null)
test $version || version=$svn_revision
NEW_REVISION="#define VERSION \"${version}${extra}\""
OLD_REVISION=$(head -n 1 version.h 2> /dev/null)
TITLE='#define MP_TITLE "%s "VERSION" (C) 2000-2009 MPlayer Team\n"'
# Update version.h only on revision changes to avoid spurious rebuilds
if test "$NEW_REVISION" != "$OLD_REVISION"; then
cat <<EOF > version.h
$NEW_REVISION
$TITLE
EOF
fi