command name to remove a working tree preserving the branch

[Jamie Wilkinson]

This one time, at band camp, Aaron Bentley wrote:
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Robert Collins wrote:
>| crazy) and remove the checkout data, so that you have a 'treeless'
>| branch left behind.
>
>I suggest sawmill :-)

bzr lumberjack