Jeff King <peff@peff.net> writes:

quoted text
> For example, with what's in next now, I can do this:
>
>   git checkout v1.4.0
>   hack hack hack
>   git commit -m -a 'some changes which will never be seen again'
>   git checkout v1.2.0
>
> I thought the _point_ of the safety valve was not to lose those changes.

Fair enough.

We could always do the check upon "git checkout" from a detached
HEAD state, whether it takes you back on some existing branch or
leaves your HEAD still detached.

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