2013/4/27 Junio C Hamano <gits...@pobox.com>:
> Junio C Hamano <gits...@pobox.com> writes:
>
>> Matthieu Moy <matthieu....@grenoble-inp.fr> writes:
>>
>>> The nice thing with the confirmation dialog is that it shows the list
>>> before asking (and unlike 'rm -i', it asks only once).
>>
>> I wouldn't object to having "clean -i", which automatically defeats
>> the requireforce option.
>>
>> As to a huge single list you have to approve or reject as a whole, I
>> am on the fence.  When running "rm -i", I often wished to see
>> something like that, but I am fairly sure that I'll call it unusable
>> the first time I see a list with a few items I want to keep while
>> removing all others.
>
> Elaborating on this a bit more, hoping it would help people who want
> to design the "--confirm-before-doing" option...
>
> The primary reason I think the user will find "We are going to
> remove these.  OK?" irritating is that most of the time, there are
> only a few items that the user would want to keep.
>
>         $ rm --confirm-before-doing -r path
>         ... list of three dozens of items, among which
>         ... there may be two items that should be kept
>         Remove all? [Y/n]
>
> After seeing this prompt and saying 'n', the user would _not_ thank
> the command for reminding about these precious two items, because
> the only next step available to the user is to remove the remaining
> 34 items manually.
>
> "Confirm in bulk before doing" feature can become useful if it had a
> "line item veto" option in the confirmation time.  The interaction
> then could go like this:
>
>         $ rm --confirm-before-doing -r path
>         path/foo    path/frotz/nitfol    path/sotto
>         path/bar    path/frotz/xyzzy     path/trail
>         ...            ...               ...
>         Remove (list items you want to keep)? path/frotz
>
> and the user could instruct it to remove everything other than those
> inside path/fortz.  If the user do not want to remove anything,
> there is an option to ^C out of the command.

Agree. I will send a reroll latter.

-- 
Jiang Xin
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