1#!/bin/sh
2
3test "$1" && extra="-$1"
4
5# releases extract the version number from the VERSION file
6version=$(cat VERSION 2> /dev/null)
7
8if test -z $version ; then
9# Extract revision number from file used by daily tarball snapshots
10# or from the places different Subversion versions have it.
11svn_revision=$(cat snapshot_version 2> /dev/null)
12test $svn_revision || svn_revision=$(LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2)
13test $svn_revision || svn_revision=$(grep revision .svn/entries 2>/dev/null | cut -d '"' -f2)
14test $svn_revision || svn_revision=$(sed -n -e '/^dir$/{n;p;q;}' .svn/entries 2>/dev/null)
15test $svn_revision && svn_revision=SVN-r$svn_revision
16test $svn_revision || svn_revision=UNKNOWN
17version=$svn_revision
18fi
19
20NEW_REVISION="#define VERSION \"${version}${extra}\""
21OLD_REVISION=$(head -n 1 version.h 2> /dev/null)
22TITLE='#define MP_TITLE "%s "VERSION" (C) 2000-2021 MPlayer Team\n"'
23
24# Update version.h only on revision changes to avoid spurious rebuilds
25if test "$NEW_REVISION" != "$OLD_REVISION"; then
26    cat <<EOF > version.h
27$NEW_REVISION
28$TITLE
29EOF
30fi
31