From 7dda786ccba294de279dfd8e5581441c1b36c934 Mon Sep 17 00:00:00 2001
From: diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Thu, 22 Jun 2006 13:47:50 +0000
Subject: Adapt FFmpeg version.sh that only recreates version.h if its content
 changed.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18787 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 version.sh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'version.sh')

diff --git a/version.sh b/version.sh
index 026e51c60d..6a77cc415d 100755
--- a/version.sh
+++ b/version.sh
@@ -1,7 +1,12 @@
 #!/bin/sh
 
-revision=r`grep revision .svn/entries | cut -d '"' -f 2 2> /dev/null`
-
 test "$1" && extra="-$1"
 
-echo "#define VERSION \"dev-SVN-${revision}${extra}\"" > version.h
+svn_revision=`svn info | grep Revision | cut -d' ' -f2 || echo UNKNOWN`
+NEW_REVISION="#define VERSION \"dev-SVN-r${svn_revision}${extra}\""
+OLD_REVISION=`cat version.h 2> /dev/null`
+
+# Update version.h only on revision changes to avoid spurious rebuilds
+if test "$NEW_REVISION" != "$OLD_REVISION"; then
+    echo "$NEW_REVISION" > version.h
+fi
-- 
cgit v1.2.3