From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: possible to checkout same branch in different worktree
Date: Fri, 15 Apr 2016 08:36:31 -0700
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	=?utf-8?B?Tmd1eeG7hW4gVGjDoWkgTmfhu41j?= Duy <pclouds@gmail.com>,
	Michael Rappazzo <rappazzo@gmail.com>
To: Reto =?utf-8?Q?Habl=C3=BCtzel?= <rethab.ch@gmail.com>
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Reto Habl=C3=BCtzel <rethab.ch@gmail.com> writes:

> the checkout command prevents me from checking out a branch in the
> current worktree if it is already checked out in another worktree.
>
> However, if I rebase the branch in the current worktree onto the
> branch in the other worktree, I end up in a situation where the same
> branch is checked out twice in the two worktrees.

I agree that any end-user facing subcommand like "git rebase", even
if it is not "git checkout", should refuse to work on and update a
branch that is checked out elsewhere.  Otherwise it will end up
causing confusion.

Thanks for a report.  The "multiple worktree" feature is still
highly experimental and those who are working on it would appreciate
your reporting issues with it.