From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 26 Apr 2019 03:02:49 GMT
Subject: Re: [PATCH 3/3] checkout: allow -b/-B to work on a merge base
Message-ID: <xmqqmukdv57q.fsf@gitster-ct.c.googlers.com>
In-Reply-To: <031780431d790c16b3862d6f155693e197bb74ed.1556226502.git.liu.denton@gmail.com>

Denton Liu <liu.denton@gmail.com> writes:

> -	new_branch_info->name = arg;
> +	new_branch_info->name = strstr(arg, "...") ?
> +		xstrdup(oid_to_hex(rev)) :
> +		arg;

Can we do better?

I am not sure why we want to hardcode the knowledge of "..." syntax
like this here.  "git checkout A...B" introduced in 2009 needed only
a single-liner change from get_sha1() to get_sha1_mb() without making
the ugly implementation detail seep into this layer.