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Re: Possible incompatibility of svn_repos_verify_fs2() in 1.9.0-rc1

From: Branko Čibej <brane_at_wandisco.com>
Date: Tue, 09 Jun 2015 09:49:42 +0200

On 09.06.2015 08:47, Branko Čibej wrote:
> On 08.06.2015 20:22, Branko Čibej wrote:
>> On 08.06.2015 19:06, Evgeny Kotkov wrote:
>>> Branko Čibej <brane_at_wandisco.com> writes:
>>>
>>>> I completed your patch and committed the fix in r1683311. Please review!
>>>>
>>>> -- Brane
>>> Sorry, I was on vacation last week and couldn't look at this fix earlier.
>>>
>>> I reviewed the committed patch and tested how Subversion 1.9.x behaves with it,
>>> as the change itself got merged into branches/1.9.x in r1683658. From what I
>>> witness, 'svnadmin verify' now erroneously reports the same error twice for a
>>> corrupted repository:
>>>
>>> * Verifying repository metadata ...
>>> * Verified revision 0.
>>> * Verified revision 1.
>>> * Error verifying revision 2.
>>> svnadmin: E160062: Malformed node revision ID string
>>> svnadmin: E160062: Malformed node revision ID string
>>>
>>> Relevant hunks of r1683311 are located in subversion/libsvn_repos/dump.c:2433
>>> and :2466, where we send the error notification and immediately return the same
>>> error to the caller:
>>> [[[
>>> ...
>>> else if (err)
>>> {
>>> notify_verification_error(rev, err, notify_func, notify_baton,
>>> iterpool);
>>>
>>> if (!keep_going)
>>> {
>>> /* Return the error, the caller doesn't want us to continue. */
>>> return svn_error_trace(err);
>>> }
>>> ...
>>> ]]]
>>>
>>> The caller (subversion/svnadmin/svnadmin.c:1908) writes both of these errors
>>> to stderr, and that results in the erroneous output.
>> Good catch. I suppose that means we shouldn't send the notification when
>> !keep_going, right?
> Should be fixed in r1684325.

Meh ... siliness. It's actually r1684344. The correct fix is in
svnadmin; always sending notifications is correct from API users'
perspective, too.

-- Brane
Received on 2015-06-09 09:49:58 CEST

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