Junio C Hamano <gits...@pobox.com> writes:

> Junio C Hamano <gits...@pobox.com> writes:
>
>> Matthieu Moy <matthieu....@grenoble-inp.fr> writes:
>>
>>>> For the current code %(if:empty)%(align)%(end)%(then)Empty%(else)Not 
>>>> Empty%(end)
>>>> would print non-empty, I guess the documentation holds in that case.
>>>> Not sure if we require it to print non-empty.
>>>
>>> You don't want the %(if) condition to depend on whether
>>> --shell/--python/... is used. Since %(if:empty)%(align)%(end)%(then)
>>> holds when you don't use --shell, you also want it to hold when you
>>> quote. IOW, you should check for emptyness before (or actually without)
>>> doing the quoting. I guess this is what you're doing, and if so, I think
>>> it's "The Right Thing".
>>
>> I agree that %(align)%(end) should expand to empty and %(if:empty)...%(then)
>> should look at that empty string without quoting.  So 
>>
>>     %(if:empty)%(align)%(end)%(then)Empty%(else)Not Empty%(end)
>>
>> should give "Empty"; otherwise the code is buggy, I think.
>
> (I shouldn't be typing while eating...)
>
> It should give "Empty", but the --shell/--python/... may make the
> whole "Empty", as the result of %(if:...)...%(end), be quoted.  So
> you may see "'Empty'" in the output.

Agreed (with both points).

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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