Re: [PATCH 2/2] git-checkout: improve error messages, detect ambiguities.

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Pierre Habouzit <madcoder@xxxxxxxxxx> writes:

> The patch is twofold: it moves the option consistency checks just under
> the parse_options call so that it doesn't get in the way of the tree
> reference vs. pathspecs desambiguation.

I think this goes a bit too far.

Even if you have a file called 'master' tracked in your project, when you
say:

    $ git checkout master

that's almost always branch switching.  Forcing "git checkout master --"
disambiguation for such a common case is simply a wrong thing to do from
the usability point of view.

So how about (obviously we are interested only in the case without
disambiguating '--' here):

    (3-1) if there is only one token left and if it is a rev, that's the
          branch to check out or commit to detach to.

    (3-2) otherwise the user might have mistyped one of the paths, so help
          avoiding by making sure the first token is unambiguously either
          a rev or a path (but not both).

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