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Re: Merging Branches

From: Ben Collins-Sussman <sussman_at_collab.net>
Date: 2004-09-03 18:33:36 CEST

On Fri, 2004-09-03 at 11:24, Scott Palmer wrote:

> Is it really that hard? Isn't this a fairly simple extension of what
> is already in place? always remember the version at which the code
> branched or was merged. When a merge is done update a "merge-point"
> record that says 'changes prior to this point are already merged'.
> Subsequent merges would only merge changes from the last "merge-point".
> Is it really 2 years to do that feature? Or am I way over-simplifying
> like I usually do :) ?

You've described a simple solution for the case where you repeatedly
merge contigous ranges of revisions from one branch to another. It
solves the problem of the user asking, "hm, where did that last merge
end? Let me pick up from there."

But in your own case, you've done 'cherry-picking'. You've selectively
ported a bunch of random, non-contiguous changesets. Now you want to
merge the "whole branch" to another, and not repeat changesets you've
already got. Much more complicated.

Take a look at the Arch and SVK homepages. There are volumes of
philosophy dedicated to solving this problem.

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Received on Fri Sep 3 18:35:14 2004

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