if [ ! -f nkf-20090708.tar.bz2 ]; then

if [ ! -d nkf ]; then
git clone git://git.sourceforge.jp/gitroot/nkf/nkf.git
else
(cd nkf &&
git pull
)
fi

[ ! -d nkf-20090708 ] && mkdir nkf-20090708
(cd nkf &&
tar cf - . | (cd ../nkf-20090708 && tar xf -)
)
tar cvjf nkf-20090708.tar.bz2 nkf-20090708

else

tar xvjf nkf-20090708.tar.bz2

fi

(cd nkf-20090708 &&
[ ! -f INSTALL ] || mv INSTALL INSTALL.txt
)