# For preparing GRASS Debian package run

svn co svn://svn.debian.org/pkg-grass/packages/grass/branches/6.3/debian .

# in this directory. It will download latest debian configuration files
# from debian Subversion server (http://svn.debian.org).

# After that, you can build current version of GRASS with

dpkg-buildpackage -rfakeroot

# in main GRASS source directory. After the packages are generated, you can
# install them with

dpkg -i ../*grass*deb