bzr-pipeline, installers and explorer

Russel Winder russel.winder at
Fri Nov 20 07:48:14 GMT 2009

On Fri, 2009-11-20 at 16:08 +0900, Stephen J. Turnbull wrote:
> Ian Clatworthy writes:
>  > At last week's sprint, I finally had a chance to get my head around
>  > Aaron's bzr-pipeline plugin. It's *seriously* useful stuff
> So are looms.  I don't think it's a good idea to push pipelines
> without considering whether looms are going to be added.

Is it me (probably is) or is there no page on looms on the Bazaar site.
I find (*) but there seems no
equivalent for looms and the Launchpad project page doesn't appear to
point to any page for a run up.

> I just spent a couple days fighting with Mercurial queues.  The work
> got done faster with queues than without them, but it would have
> gotten done *much* faster in plain ol' git (with colocated branches
> but no StGit or quilt).  I think for the particular task, looms are
> closer to what I would want in Bazaar.
> I don't think that in the long run it's a great idea to have two very
> similar UIs with different underlying representations and separate
> command sets.  So I advise considering pipelines and looms at the same
> time so that unnecessary complexity is not added to the UI, even if
> the underlying mechanisms can't be unified.

Given that pipes and looms appear (!) to have not dissimilar goals, i.e.
to manage changesets on something other than a branch basis,
collaboration between them to make usage models, idioms of use, and UI
consistency would seem to be a good move. 

I have what I think is a very good use for one of pipe or loom --
maintaining a long-lived feature branch where it is crucial to track the
mainline but where the feature is very slow of development (**).  Just
now I have no idea how to go about collecting the necessary data to make
a choice.

(*) The examples all show (format: pack-0.92) where possible 2a might be
a better choice?

(**) Git branches make this very easy in some ways and horrendously
awful in others -- moans and grumbles about this available on request.

Dr Russel Winder      Partner
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