bzr pump should support also rebase not only merge

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Gioele Barabucci wrote:
> Right now bzr pump does a series of merge operations down the pipeline
> of branches. This is OK with workflows based on merge but unneeded for
> workflows based on rebase.

I don't think workflows based on rebase are a good idea, because they
discard history, so I won't add support for it.

Aaron
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Would an eventual patch that adds support for rebase to pump be rejected?

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Gioele Barabucci wrote:
> Would an eventual patch that adds support for rebase to pump be
> rejected?

Possibly. The argument against accepting it would be that I don't want
to think that rebase is encouraged and supported.

I don't understand why you would want to use rebase and pipes together.
 Rebase is usually used to treat individual commits as pipes. In a
sense, pipelines and loom are an alternative to rebase.

Aaron
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I just started to use pipes and I have yet to find a workflow that I am comfortable with. It seems to me that rebase + pump --rebase is exactly what I am looking for.

What I do is branching a work branch from a mainline branch. The work branch is then converted to a pipeline and I add pipes to it. Every now and then I rebase the work branch (now the :first pipe) with the changes that happened in mainline. In this way work's and other pipes' history is not polluted with these periodical merge operations. Once work is rebased I need a way to propagate the changes to the other pipes: this is why I need a pump --rebase operation.