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Re: [PATCH v2] org-attach.el: ID to path functions may return nil


From: Ihor Radchenko
Subject: Re: [PATCH v2] org-attach.el: ID to path functions may return nil
Date: Thu, 10 Nov 2022 07:19:14 +0000

Max Nikulin <manikulin@gmail.com> writes:

> On 08/11/2022 12:08, Ihor Radchenko wrote:
>> 
>> I feel like this makes the docstring confusing.
>> 
>> Note that `org-attach-id-to-path-function-list':
>
> I have tried to update the docstrings.

Thanks!

>>> if: No attachment directory is associated with the current node, adjust
>>> ‘org-attach-id-to-path-function-list’
>>>
>>> I do not think this message is unhelpful.
>> 
>> With your patch, such message will be displayed even when
>> `org-attach-preferred-new-method' is set to something other than 'id.
>> And the message will be wrong then.
>
> I have moved `error' call despite I have not figured out how to trigger 
> the error for other options.

The main reason is code readability.

Also, one can trigger the other error for non-standard values of
`org-attach-preferred-new-method' .

>>> +(defun org-attach-id-fallback-folder-format (id)
>>> +  "May be added last to `org-attach-id-path-function-list'.
>> 
>> This is not a proper first line in a function docstring. First line must
>> describe what the function does.
>
> I am still unsure that in this case effect is more important than 
> purpose. The function is too specific.

That's a function and should follow standards. If we do not follow
standards, it will become harder to maintain Org.

If we want to be really specific, we may allow a special symbol in the
list indicating the fallback. I'd prefer this approach a bit better. No
strong opinion though.

> P.S. At first I believed that you have some objections concerning 
> changed role of the first function in the list, not just how it is 
> documented.

I had. Most importantly, because we are changing the existing meaning of
`org-attach-id-to-path-function-list'. However, the only scenario where
it actually matters is the bug report at hand. So, there will be no
regression.

However, please add NEWS entry detailing the change in
`org-attach-id-to-path-function-list' to the next version of the patch.

I have no other comments apart from various grammar issues and typos.
But that's easy to fix before merging.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>



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