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ffmpeg / version.sh @ 3c605485

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#!/bin/sh
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svn_revision=`cd "$1" && LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
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test $svn_revision || svn_revision=`cd "$1" && grep revision .svn/entries 2>/dev/null | cut -d '"' -f2`
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test $svn_revision || svn_revision=`cd "$1" && sed -n -e '/^dir$/{n;p;q}' .svn/entries 2>/dev/null`
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test $svn_revision || svn_revision=UNKNOWN
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NEW_REVISION="#define FFMPEG_VERSION \"SVN-r$svn_revision\""
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OLD_REVISION=`cat version.h 2> /dev/null`
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# Update version.h only on revision changes to avoid spurious rebuilds
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if test "$NEW_REVISION" != "$OLD_REVISION"; then
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    echo "$NEW_REVISION" > version.h
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fi