Re: [RFC] Add warning when git discard changes on another branch?

[Yubin Ruan <ablacktshirt@gmail.com>]

On Mon, May 08, 2017 at 01:19:58PM +0900, Junio C Hamano wrote:
> Junio C Hamano <gitster@pobox.com> writes:
> 
> > But to help "some users are not aware of this" situation, an opt-in
> > "feature" would not help all that much.  The same number of lines in
> > the documentation to tell end-users how to toggle on such a "safety"
> > feature can be spent to teach them that their local changes in the
> > working tree do *not* belong to any particular branch, and as soon
> > as it is understood, the user would be OK.
> >
> > So...
> 
> It might help if we treat this similarly to how we treat the
> "detached HEAD" state.  By default when you do "git checkout HEAD^0"
> (not "git checkout --detach HEAD"), you would get a large warning,
> which you can silence by the advice.detachedhead configuration.  In
> addition to the list of "these paths have local modifications" that
> we show as a reminder, perhaps you want to show a warning that tells
> the user that the local modifications in these paths are not
> recorded anywhere else, or somesuch, and silence it with a new
> advice.* variable?

That would be helpful. But, frankly, if a user would be aware of that `advice.*'
variable, he would have enough knowledge of Git to be aware of that situation.
So, I think that 'M lala.txt' in transitions from branch to branch would be
sufficient.

---
Yubin