Re: [PATCH v2 5/6] lock_ref_for_update(): make error handling more uniform

[Michael Haggerty <mhagger@alum.mit.edu>]

On 06/13/2016 09:16 AM, Michael Haggerty wrote:
> On 06/10/2016 09:01 PM, David Turner wrote:
>> On Fri, 2016-06-10 at 10:14 +0200, Michael Haggerty wrote:
>>
>>>  /*
>>> + * Check whether the REF_HAVE_OLD and old_oid values stored in update
>>> + * are consistent with the result read for the reference. error is
>>> + * true iff there was an error reading the reference; otherwise, oid
>>
>> "error" is not a thing here?
> 
> You're right; thanks for the feedback. I'll include it in the reroll
> that I'm about to do.

I have changed the docstring as follows:

>  /*
>   * Check whether the REF_HAVE_OLD and old_oid values stored in update
> - * are consistent with the result read for the reference. error is
> - * true iff there was an error reading the reference; otherwise, oid
> - * is the value read for the reference.
> - *
> - * If there was a problem, write an error message to err and return
> - * -1.
> + * are consistent with oid, which is the reference's current value. If
> + * everything is OK, return 0; otherwise, write an error message to
> + * err and return -1.
>   */

I've folded that change into the patch series on branch
update-ref-errors on my GitHub fork [1]. I won't sent a re-roll to the
mailing list unless other changes are necessary (or unless somebody
requests it).

Michael

[1] https://github.com/mhagger/git