Performance of bzr update for lightweight checkout

[Eli Zaretskii]

> Date: Fri, 4 Feb 2011 22:11:44 +0100
> From: Ulrich Mueller <ulm at gentoo.org>
> Cc: bazaar at lists.canonical.com
> 
> So, would the following be a more appropriate scheme for us?
> 1) initial branch with "bzr branch --no-tree" (maybe preceded by
>    "bzr init-repo --no-trees" if there are live ebuilds for several
>    branches of the same project?)
> 2) temporary checkout to the local build directory with
>    "bzr checkout --lightweight" (which will be deleted when the
>    package has been installed)
> 3) later updates of the branch with "bzr pull"

If you only use this branch for building the upstream versions,
without any local changes, then why not just "bzr branch --bind"
(which will include the working tree)?  You would then build out of
that tree, and sync with upstream with "bzr update".  Am I missing
something?