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Re: [PATCH] Add -cHEAD support (issue #3041)

From: Julian Foad <julianfoad_at_btopenworld.com>
Date: Wed, 20 Feb 2008 17:57:55 +0000

Charles Acknin wrote:
> On Wed, Feb 20, 2008 at 5:37 PM, Julian Foad <julianfoad_at_btopenworld.com> wrote:
>
>>Hi Charles.
>>
>> Why do you want to add "-cHEAD", and most importantly, what do you want it to mean?
>
> Basically for the following reason: users may expect -c to use the
> same arguments as -r since -cREV is a shortcut for -rREV-1:REV. As I
> said in a previous post it occurred to me to type "svn di -cHEAD"
> after I've seen someone committing on #svn-dev. It may be me being
> lazy to type the rev in, but I think I've wanted this feature for the
> sake of homogeneity between options. I understand this might not be
> the most used feature ever.
>
>> "-r HEAD" always means the latest revision (current state) of whatever targets
>> we're looking at.
>>
>> If "-c HEAD" is supposed to mean
>> "{repository-youngest-rev - 1}:{repository_youngest_rev}"
>> then, on most branches, most of the time, it evaluates to a null change,
>> because the repository youngest revision didn't change whatever branch we're
>> looking at. That's not useful in general.
>
> That's what the patch is implementing, yes. As you point out, using
> -cHEAD will be a no-op when executed in a sub-directory (branch or
> whatever) below which no change happened. But when executed from the
> very root of the repository or when passing it as target (could be
> ../../ as much as http://path/to/repos), it will always return some
> bytes.

OK, it could be useful in that particular case, but I don't think it's
consistent enough or common enough in normal usage for me to want to add this
feature. Sorry to be a wet blanket.

- Julian

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Received on 2008-02-20 18:58:09 CET

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