Mina Almasry <almasry.m...@hotmail.com> writes:
> I frequently stage files using git add --patch command and I almost
> always come across debug code I want to discard, but there is no option
> for that in the prompt. The result is that I have to run an extra
> command after the dialogue ends.
> I would like to add a feature to allow users to discard hunks using a
> command like r! or d!
This has come up before, and actually led to the introduction of
'checkout -p' and 'reset -p':
Judging by the '!' above, you are already aware that this is a dangerous
option that needs some safeguards. I imagine that would largely account
for Junio's safety concerns. So you could pick up from the general
direction of Pierre's post, and try to work out something.
However, life has become rather more complicated since 2009. Whatever
you do also needs to fit nicely with checkout/reset/stash -p. The first
two also take commit arguments, resulting in a total of seven modes of
operation, defined in %patch_modes.
I imagine one good angle of attack would be to proceed as follows:
* Optionally make add--interactive.perl more aware of what the patches
say. Ideally there would be a way to reverse the direction of a diff
(or otherwise manipulate it) in the program itself, instead of having
to decide this when fetching the patches.
* Change things so that the actions in %patch_modes are a hunk property
instead of a global state. Of course the actual mode still needs to
be global state. Not all actions should be possible in all modes;
figure out a clean way to implement this.
* Design commands in some modes that switch to another mode, and/or set
another action than the default in the current mode.
Note that r! commands need to also work in singlekey mode, where the 'r'
is read immediately and you would have to read for another
(confirmation) key to get the '!'.
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