cosmetics to make version.sh more VCS agnostic
[libav.git] / version.sh
... / ...
CommitLineData
1#!/bin/sh
2
3# check for SVN revision number
4revision=`cd "$1" && LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
5test $revision || revision=`cd "$1" && grep revision .svn/entries 2>/dev/null | cut -d '"' -f2`
6test $revision || revision=`cd "$1" && sed -n -e '/^dir$/{n;p;q}' .svn/entries 2>/dev/null`
7test $revision && revision=SVN-r$revision
8
9# no version number found
10test $revision || revision=UNKNOWN
11
12NEW_REVISION="#define FFMPEG_VERSION \"$revision\""
13OLD_REVISION=`cat version.h 2> /dev/null`
14
15# Update version.h only on revision changes to avoid spurious rebuilds
16if test "$NEW_REVISION" != "$OLD_REVISION"; then
17 echo "$NEW_REVISION" > version.h
18fi