The debian packages are currently being maintained by Roman Rybalko. They can be found in our debian repository. For easy installation, add the following line to your /etc/apt/sources.list:
deb ftp://ftp.berlios.de/pub/btg/debian main stable unstable deb ftp://ftp.berlios.de/pub/btg/debian other stable unstable
This repository is gpg-signed. This means apt can check the validity of the packages against a gpg signature. You can find more information on gpg-signed repositories at the the Debian wiki. To use this feature you must add the key to the apt keyring. To do that you must:
Download the public key.
md5sum public_key.asc
apt-key add public_key.asc
Btg (version 1.0.0 as of 06-07-2009) is available in Gentoo. It can be installed as every other packages:
emerge -av btg