Re: [RFC/PATCH] Add multiple workdir support to branch/checkout

> On Thu, Oct 6, 2011 at 5:19 AM, Junio C Hamano <gitster@pobox.com> wrote:
>> I do not necessarily think that it is a good approach to forbid the same
>> branch to be checked out in two different places, by the way. One reason
>> people would want to keep multiple workdirs is so that while they are
>> still working on a branch and are not yet at a good "stop point" to even
>> make a temporary commit to get interrupted, they find it sometimes
>> necessary to be able to build the tip of that same branch and even make a
>> small in-working-tree fixes (which later will be carried back to the
>> primary branch). The problem arises only when one of the repositories try
>> to update or delete the branch while it is checked out in another working
>> tree.
>
> I think of two options:
>
>  - detach from the already locked branch (pretty much like what we do
> with tags now)
>
>  - refuse normally but let "checkout -f" do it anyway. However the
> checkout lock will remain at the original worktree. If you want to
> update branch from the second checkout, do "commit -f" and take
> responsibility for your action.