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Re: Question about applying patches

From: Duncan Murdoch <murdoch.duncan_at_gmail.com>
Date: Tue, 24 Jun 2014 11:23:23 +0200

On 24/06/2014, 10:02 AM, Simon Large wrote:
> On 24 June 2014 04:37, Duncan Murdoch <murdoch.duncan_at_gmail.com> wrote:
>> I'm working on a project (R) with a number of other people. We
>> generally don't like to have things committed to the trunk until they
>> are ready to go, passing tests, etc. This means development of changes
>> that take several days can be a little tricky.
>> I think the official svn way to do it is by branching, but the trouble
>> with that is that merging other people's trunk changes into the branch
>> can be tricky unless done very frequently, and it's a lot of work if
>> done frequently.
>> What I've been doing instead is saving patches of my changes, then
>> reverting, updating the trunk, and re-applying the patch. This seems
>> easier.
> Huh? Why would you do that? Create patch/revert/update/apply patch is
> exactly the same as just updating your changed working copy, and a lot
> more error-prone. That is the whole point of update - to merge trunk
> changes into your own possibly modified working copy.

The problem is when the change takes a few days to complete, and I need
a clean working copy for other purposes before it's done, e.g. if
someone tells me about an unrelated bug that needs fixing urgently.

A different strategy would be to make a copy of the whole working copy
and work there, but unlike branching or my strategy, that doesn't allow
intermediate steps to be saved, or easily allow the work to be continued
on a different computer from the one where I started. I find it's also
error prone to have multiple nearly identical source trees on the disk:
 I can easily find myself writing changes to the wrong one.

Duncan Murdoch


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Received on 2014-06-24 11:23:38 CEST

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