Re: git push default behaviour?

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Junio C Hamano <gitster@xxxxxxxxx> writes:

> If you publish to your own repository
> and let others pull, the behaviour is not dangerous at all with or
> without --force (well, --force brings its own danger but that does
> not have anything to do with which branches are pushed).  If you
> default to 'current' in such a workflow, you risk forgetting to
> push, which is the more dangerous option between the two.

Forgetting to push a branch is a danger, but far less dangerous than
what "push --force" can do in a shared repository.

In a shared repository, there's actually a race condition that you
cannot avoid AFAICT:

$ git push
 # get an error about non-fast-forward on branch A, but no other.
 # thing "it's OK, I do want to do a forced update on A".
$ git push --force

If someone else did a push between my first push and the "push --force",
then the other user's push is discarded.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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