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From: Mike Rappazzo <rappazzo@gmail.com>
Subject: Re: [PATCH v2] worktree: add: introduce --checkout option
Date: Fri, 25 Mar 2016 09:02:11 -0400
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Cc: Zhang Lei <zhanglei002@gmail.com>,
	Eric Sunshine <sunshine@sunshineco.com>,
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To: Duy Nguyen <pclouds@gmail.com>
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On Fri, Mar 25, 2016 at 7:41 AM, Duy Nguyen <pclouds@gmail.com> wrote:
> On Fri, Mar 25, 2016 at 6:31 PM, Zhang Lei <zhanglei002@gmail.com> wrote:
>> By the way, Duy, another unrelated question: why worktree name under
>> .git/worktrees is being named
>> after the working tree path basename? I think branch name is more
>> reasonable since we don't allow checking out
>> the same branch twice.
>
> Because branch name is not always available (e.g. detached HEAD) and
> checkout branch can be switched later on. And normally you'll get
> branch name there anyway with "git worktree add something" because the
> branch "something" is automatically created. I've been wondering if
> it's worth supporting "git worktree -b abc ./" where we create
> worktree "./abc" based on branch name too.

You can switch to any other branch in a worktree.  Consider that you
could switch branches in
worktrees such that you could eventually end up having the branches
swapped from original
worktree setup.