Re: switch/checkout stops halfway when it fails to write tracking config

[Junio C Hamano <gitster@pobox.com>]

井上司 <inoue.tsukasa.4@gmail.com> writes:

> Thanks for the reply.
>
> I agree with your point. However, implementing full atomicity now would
> be a large change, for two reasons:
>
> - push -u, clone and fetch continue even when writing the tracking config
>   fails, but setup_tracking() calls exit() and aborts the process.
> - For full atomicity, we would need to undo the worktree, the ref and the
>   config. We would also need to handle the die() calls in checkout.
>
> So I propose to make setup_tracking() return an error instead of calling
> exit(), so that switch and checkout can behave like the other callers,
> and to leave full atomicity as a separate topic.

Sounds like a good direction to go.