From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 25 Mar 2016 21:00:50 GMT
Subject: Re: [PATCH v2 5/5] branch -d: refuse deleting a branch which is currently checked out
Message-ID: <xmqq4mbu2ry5.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <cbc5116e5069f20545d66e12e082e0e17f4ecced.1458927521.git.k@rhe.jp>

Kazuki Yamaguchi <k@rhe.jp> writes:

> When a branch is checked out by current working tree, deleting the
> branch is forbidden. However when the branch is checked out only by
> other working trees, deleting is allowed.
> Use find_shared_symref() to check if the branch is in use, not just
> comparing with the current working tree's HEAD.
>
> Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
> ---

It seems that applying this directly on top of 'maint' does fix the
issue (and applying only part of the patch for t/ illustrates the
existing breakage), so let's make it a separate topic as you hinted
in your cover letter.

Thanks.