'bzr get' should be a little bit more verbose

[John Arbash Meinel]

Right now 'bzr get' spends quite a bit of time processing, without
giving any feedback to the user. To new users, this looks like it isn't
doing anything. And they are tempted to stop it in the middle. My
colleague suggested a 'bzr get --verbose' which might put a little bit
more on the screen. I don't want a page full of text. But even a
progress bar put up early, to indicate it is doing something.

While I bring it up, our ProgressBar stuff could use some tweaking. In
other projects, I came up with the idea of a Tree structure for
indicating progress. So you have an outer loop, which knows it needs to
do 5 things, and each one of those things has an arbitrary number of
steps. So you have a progress bar, which can create children, who stay
within the bounds of their parent. (With a GUI, I just create 2 bars,
but this is hard to do on the command line.)

We could change the UI factory so that it returned a child of the
current progress, rather than another object which takes over completely.

Just some thoughts,
John
=:->
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