bug#42966: 28.0.50; vc-dir: wrong backend

[Lars Ingebrigtsen]

Dmitry Gutov <dgutov@yandex.ru> writes:

> On 16.10.2020 18:35, Glenn Morris wrote:
>> See eghttps://debbugs.gnu.org/3807#21  from 11 years ago.
>
> Stefan's suggestion is pretty sensible.
>
> Though it'll require a rework of the corresponding VC backend
> actions. Not sure if it's possible to do in a backward-compatible
> fashion.

(The suggestion is to recurse upwards and ask each backend "are you
responsible for this directory, then?")

That makes sense, but it's just a performance hack, isn't it?  The
result should be the same as the less invasive "loop over all the
backends and collect the most specific one".

-- 
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   bloggy blog: http://lars.ingebrigtsen.no