Re: [PATCH v4 07/12] run-command: add clean_on_exit_handler

On 2016-08-05 15.08, Lars Schneider wrote:

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Yeah it could do that. But then the filter cannot do things like
modifying the index after the fact... however, that might be considered
nasty by the Git community anyways... I am thinking about dropping
this patch in the next roll as it is not strictly necessary for my
current use case.

(Thanks Peff for helping me out with the EOF explanation)

I would say that a filter is a filter, and should do nothing else than filtering
one file,
(or a stream).
When you want to modify the index, a hook may be your friend.