[MERGE] show_log with get_revisions

[Aaron Bentley]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Robert Collins wrote:

> I think branch.lock_read() should always implicitly lock the repository
> - we can add a new function if we want to not lock the repo -
> lock_read_branch_only or whatever.

Would this apply to WorkingTree also?  Having lock_write_tree_only would
 make checkouts from http possible, which I think is a win.

Anyhow, if that's our new policy, I'm happy to revert that part of the code.

Aaron
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFEjY040F+nu1YWqI0RAv/MAJ9fHXD7kNJ3agNKdHnL9LnMcDg+jgCfRGq2
7Q54RYliqcUPpJ1TEiCozjo=
=aE7i
-----END PGP SIGNATURE-----