Commands to set up an archive in 5 minutes:
 tla make-archive --signed --listing ufoot@ufoot.org--2004-test $HOME/var/arch/\{archives\}/2004-test
 tla archive-setup hello-world--mainline--0.1
 echo "gpg --clearsign" > $HOME/.arch-params/signing/\=default
 echo "tla-gpg-check gpg_command=\"gpg --verify-files -\"" > $HOME/.arch-params/signing/\=default.check
 tla init-tree hello-world--mainline--0.1 # within work dir
 tla import 
That's it.