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Re: Consistent error codes from RA layers

From: Julian Foad <julianfoad_at_btopenworld.com>
Date: Wed, 26 Mar 2008 12:49:53 +0000

Julian Foad wrote:
> Paul Burba wrote:
>
>> On Thu, Mar 6, 2008 at 5:25 AM, Julian Foad
>> <julianfoad_at_btopenworld.com> wrote:
>>
>>> Code like this appears in several places:
>>>
>>> > err = editor->delete_entry(path, item->revision, parent_baton,
>>> pool);
>>> > if (err)
>>> > {
>>> > if (err->apr_err == SVN_ERR_FS_NOT_FOUND
>>> > || err->apr_err == SVN_ERR_RA_DAV_PATH_NOT_FOUND)
>>>
>>> These two errors both mean "the item was not present in the
>>> repository". When
>>> committing to the repository, this indicates that the WC is out of
>>> date w.r.t.
>>> the repository.
>>>
>>> SVN_ERR_FS_NOT_FOUND is sent by the file or svn RA layers, and
>>> SVN_ERR_RA_DAV_PATH_NOT_FOUND is sent by the http/https RA layers,
>>> with the
>>> same meaning.
>>
>>
>>
>> Julian,
>>
>> Thanks, this reminded me of a similar case a couple of months ago --
>> which I subsequently forgot about :-(
>
> [...]
>
>> See: http://svn.haxx.se/dev/archive-2007-12/0457.shtml. Anyhow, I
>> bring this up mainly because in that thread Karl suggests, "The
>> fix(es) should happen as close to the original (server-side) source of
>> the error as possible, IMHO." Barring that, the fix should be in the
>> particular RA implementation.
>>
>> When you say the "RA layers ought to be made to return the same error
>> code for this case" which approach were you thinking of, a fix as much
>> on the server side as possible or strictly within the RA
>> implementations?
>
>
> I didn't specifically mean the fix ought to be within the RA layer
> implementations. I haven't looked into where these errors propagate
> from, and have no view on where they should be consolidated.
>
> - Julian
>
>
>>
>>> The RA layers are intended to provide a consistent interface, so I
>>> think all
>>> the RA layers ought to be made to return the same error code for this
>>> case.
>>>
>>> At the very least, svn_delta_editor_t ought to document the error
>>> codes that
>>> its functions return in this and similar situations.

Filed as Issue #3137.

- Julian

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Received on 2008-03-26 13:50:09 CET

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