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FFmpeg/version.sh
Aurelien Jacobs 40eaf7806d add support for git in version.sh (use short hash as version number)
Originally committed as revision 10817 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-10-20 00:07:48 +00:00

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#!/bin/sh
# check for SVN revision number
revision=`cd "$1" && LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
test $revision || revision=`cd "$1" && grep revision .svn/entries 2>/dev/null | cut -d '"' -f2`
test $revision || revision=`cd "$1" && sed -n -e '/^dir$/{n;p;q}' .svn/entries 2>/dev/null`
test $revision && revision=SVN-r$revision
# check for git short hash
if ! test $revision; then
revision=`cd "$1" && git log -1 --pretty=format:%h`
test $revision && revision=git-$revision
fi
# no version number found
test $revision || revision=UNKNOWN
NEW_REVISION="#define FFMPEG_VERSION \"$revision\""
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