Theodore Tso <tytso@mit.edu> writes:

quoted text
> ...  Just because we don't have a name to that precise commit
> inside the git system doesn't necessary mean the user can't get back
> there.
> In fact, the user probably could via "history | grep 'git checkout'".

If you mean grep 'git checkout|git reset' perhaps.  After
checking out a specific commit (because the user was told about
the commit out-of-band, say, via e-mail), the user can still
visit other commits with e.g. "git reset --hard HEAD~20".

quoted text
>> So "until you make commits" is not sufficient, which means that
>> covering all the way you can make commits isn't, either.
>
> My personal belief is that covering all the way you can make commits
> is where you want to be putting the check.  If I say something like
>
> git checkout f00b51b8
>
> There's nothing dangerous about that statement.

I do not think anybody is arguing that particular checkout is
dangerous.  The warning message is about the fact that your HEAD
is now detached, which might not have been what you intended
(and you will later get a real warning when you do a really
dangerous thing, which is "to come back and lose your point").

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