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Re: Issue #2044 - Fully customizable external diff invocations

From: Julian Foad <julianfoad_at_btopenworld.com>
Date: Thu, 21 Mar 2013 20:34:19 +0000 (GMT)

Gabriela Gibson wrote:

> On 21/03/13 15:05, Julian Foad wrote:
>> - Does Subversion provide good labels? I have been using
>> 'diff3-cmd' configured to run kdiff3, and the labels Subversion passes
>> to it are like '.mine', '.r1459015' and '.r1459080' -- they don't
>> include the file name at all, which makes it very hard to see what
>> file I'm being asked to merge. (Maybe the diff3-cmd option was
>> never designed to run a GUI diff tool? But I do it.) And for
>> 'merge-tool-cmd' it doesn't appear to pass any labels at the moment.
>> What a lot of inconsistency to sort out. But if the labels passed
>> to the diff-cmd are always good, you don't worry about this yet.
> Thank you for the well-thought-out response.  It cleared up some
> misconceptions, and yes, I did think of merge there. :)
> I have to think about your letter in detail a little more before I can
> say anymore.

Of course.  Glad it helps.

> ps.: I think that the issue with kdiff3 is with the label
> handling.  The section below suggests to me that kdiff3 is dropping
> some info from the label it has been passed:
> <quote>
> g_at_musashi:~/tmp/test-wc$ $SVN diff
> --diff-cmd=/home/g/programming/perlfiles/dump_diff.pl
> Index: testfile
> ===================================================================
> Dumping @ARGV...
> Arg 0 is >-u<
> Arg 1 is >-L<
> Arg 2 is >testfile (revision 1)<
> Arg 3 is >-L<
> Arg 4 is >testfile (working copy)<

No, your test there is with "svn diff", whereas my issue is about the "diff3-cmd" configuration, which is used to *merge* files during svn update, svn switch or svn merge.  I used a script like yours, that log the arguments that are being passed to it, and the exact arguments Subversion passed to it were: -E -m -L .mine -L .r1458321 -L .r1459485 and then the *three* input files.

- Julian
Received on 2013-03-21 21:34:53 CET

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