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Re: [Monotone-devel] Quick poll: Does anybody actually still use diff wi

From: Thomas Keller
Subject: Re: [Monotone-devel] Quick poll: Does anybody actually still use diff with --external?
Date: Sat, 08 Jan 2011 23:36:19 +0100
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Am 08.01.11 08:30, schrieb Richard Levitte:
> In message <address@hidden> on Sat, 08 Jan 2011 01:52:00 +0100, Thomas Keller 
> <address@hidden> said:
> me> I'm working on issue 102 and to make this work properly I want to
> me> create the diff output and return it instead of just printing it
> me> to stdout directly. Problem is that the external diff hook calls
> me> execute("diff", "-u", ...) and I wonder if I should go through the
> me> hassle and use spawn_redirected to catch and return the output
> me> from there.
> I'm not sure what you're about to do...  it does sound like you want
> to create the whole diff in memory and output it when it's complete.

Yes, this was my intention. See

> In my opinion, that would be a bad idea (think huge diffs), and I'm
> not quite sure how that would fix the sorting order, which is the
> actual issue here.  Maybe I misunderstand what you're thinking of
> doing...

Well, my plan was to use the parallel node iterator to produce a diff
for all changed nodes and save the results to a multimap. Then I'd
iterate over this multimap and output the actual diff.


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