btrfs: Delete unused version.sh script.

#!/bin/bash

#

# determine-version -- report a useful version for releases

#

# Copyright 2008, Aron Griffis <agriffis@n01se.net>

# Copyright 2008, Oracle

# Released under the GNU GPLv2

v="v0.16"

which git &> /dev/null

if [ $? == 0 ]; then

    git branch >& /dev/null

    if [ $? == 0 ]; then

	    if head=`git rev-parse --verify HEAD 2>/dev/null`; then

		if tag=`git describe --tags 2>/dev/null`; then

		    v="$tag"

		fi

		# Are there uncommitted changes?

		git update-index --refresh --unmerged > /dev/null

		if git diff-index --name-only HEAD | \

		    grep -v "^scripts/package" \

		    | read dummy; then

		    v="$v"-dirty

		fi

	    fi

    fi

fi

echo "#ifndef __BUILD_VERSION" > .build-version.h

echo "#define __BUILD_VERSION" >> .build-version.h

echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h

echo "#endif" >> .build-version.h

diff -q version.h .build-version.h >& /dev/null

if [ $? == 0 ]; then

    rm .build-version.h

    exit 0

fi

mv .build-version.h version.h