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.


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