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From: Jeff King <peff@peff.net>
To: "René Scharfe" <l.s.r@web.de>
Cc: Dana Dahlstrom <dahlstrom@google.com>, git@vger.kernel.org
Subject: Re: 'HEAD' is not a commit (according to git-checkout)
Date: Sat, 23 May 2020 12:29:14 -0400	[thread overview]
Message-ID: <20200523162914.GA2178752@coredump.intra.peff.net> (raw)
In-Reply-To: <9f26099a-e77b-ede4-bee3-27382a5a0875@web.de>

On Sat, May 23, 2020 at 09:07:50AM +0200, René Scharfe wrote:

> > which are both correct. I wonder if there's a more elegant way to do it,
> > though (probably not, as there's definitely some heuristic parsing going
> > on to determine which checkout mode we're in; the new switch/restore
> > alternatives don't suffer as much from this).
> 
> Perhaps:
> 
> diff --git a/builtin/checkout.c b/builtin/checkout.c
> index e9d111bb83..24336e1017 100644
> --- a/builtin/checkout.c
> +++ b/builtin/checkout.c
> @@ -1689,7 +1689,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
>  		 * Try to give more helpful suggestion.
>  		 * new_branch && argc > 1 will be caught later.
>  		 */
> -		if (opts->new_branch && argc == 1)
> +		if (opts->new_branch && argc == 1 && !new_branch_info.commit)
>  			die(_("'%s' is not a commit and a branch '%s' cannot be created from it"),
>  				argv[0], opts->new_branch);
> 

Oh, indeed, that's way better. Want to wrap it up as a patch?

-Peff

  reply	other threads:[~2020-05-23 16:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-21 19:00 'HEAD' is not a commit (according to git-checkout) Dana Dahlstrom
2020-05-21 19:16 ` Jeff King
2020-05-23  7:07   ` René Scharfe
2020-05-23 16:29     ` Jeff King [this message]
2020-05-24  7:22       ` [PATCH 1/2] checkout: add tests for -b and --track René Scharfe
2020-05-27  6:40         ` Jeff King
2020-05-28 13:53           ` René Scharfe
2020-05-24  7:23       ` [PATCH 2/2] checkout: improve error messages for -b with extra argument René Scharfe
2020-05-27  6:42         ` Jeff King
2020-05-24  7:23       ` 'HEAD' is not a commit (according to git-checkout) René Scharfe
2020-05-24 16:15         ` Junio C Hamano
2020-05-27  6:52           ` Jeff King
2020-05-27 15:44             ` Junio C Hamano
2020-05-27 15:52               ` Randall S. Becker
2020-05-27 17:31                 ` Jeff King
2020-05-21 19:49 ` René Scharfe

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