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Re: [RFC] Paths API (svn_dirent_uri.h) - improvements

From: Branko Cibej <brane_at_xbc.nu>
Date: Wed, 11 Nov 2009 23:26:22 +0100

Greg Stein wrote:
> On Wed, Nov 11, 2009 at 17:07, Greg Stein <gstein_at_gmail.com> wrote:
>
>> On Wed, Nov 11, 2009 at 16:26, Branko ─îibej <brane_at_xbc.nu> wrote:
>>
>>> Greg Stein wrote:
>>>
>>>>> * The representation of a URL should be always URI-encoded.
>>>>>
>>>>>
>>>> Yah. That's how we treat them, in general, but having it declared that
>>>> way would be good. As I noted above, we also want them to *always* be
>>>> absolute. The codebase is pretty darned close to allowing for that.
>>>> Also note that the svn_uri_* functions are new in 1.7, so we can
>>>> define them with this restriction.
>>>>
>>>>
>>> Oh hum. That reminds me of my recent changes in svndumpfilter on this
>>> very topic. Svnumpfilter uses "repository-absolute" paths, that is,
>>> paths within the versionable filesystem that always have a leading /.
>>> Clearly those are not dirents; nor are they relpaths; nor, by your
>>> definition above, are they URIs to the intent of the svn_uri API.
>>> They're not URI-encoded, either.
>>>
>>> Which leaves me scratching my head, wondering which of the three
>>> inapplicable families of functions svndumpfilter should be using.
>>>
>> FS is the odd man out. The leading-slash paths don't fit well with
>> much of anything.
>>
>> It would be nice if it used a relpath [from the root].
>>
>
> To expand a bit more...
>
> Bert and I discussed this a few times. Because it isn't a relpath, and
> it isn't a dirent, that is why we use the URI functions for FS paths.
> But once Bert switches on the "must be absolute" bit, then everything
> will fall over. I dunno what his plan was for the FS (he's been
> updating stuff throughout the client, wc, and RA layers).
>
> We never came up with a good solution. Sigh.
>

Why not just drop the must-be-absolute requirement? Those are perfectly
valid URIs, as per spec, they simply lack the schema and server part.

(BTW, URI-encoding them internally is going to cause no end of screaming
horrors. My crystal ball has spoken.)

-- Brane

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Received on 2009-11-11 23:26:49 CET

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