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Re: 'HEAD' is not a commit (according to git-checkout)

From
Jeff King <peff@peff.net>
Date
May 23, 2020, 16:29 UTC
Message-ID
<20200523162914.GA2178752@coredump.intra.peff.net>
In-Reply-To
<9f26099a-e77b-ede4-bee3-27382a5a0875@web.de>
On Sat, May 23, 2020 at 09:07:50AM +0200, René Scharfe wrote:
Show 20 quoted lines
> > 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
Previous: René ScharfeNext: René Scharfe
Message 4 of 16 in “'HEAD' is not a commit (according to git-checkout)”
  1. Dana DahlstromMay 21, 2020
  2. Jeff KingMay 21, 2020
  3. René ScharfeMay 23, 2020
  4. Jeff KingMay 23, 2020
  5. 1/2 checkout: add tests for -b and --trackRené Scharfe, May 24, 2020
  6. Jeff KingMay 27, 2020
  7. René ScharfeMay 28, 2020
  8. 2/2 checkout: improve error messages for -b with extra argumentRené Scharfe, May 24, 2020
  9. Jeff KingMay 27, 2020
  10. René ScharfeMay 24, 2020
  11. Junio C HamanoMay 24, 2020
  12. Jeff KingMay 27, 2020
  13. Junio C HamanoMay 27, 2020
  14. Randall S. BeckerMay 27, 2020
  15. Jeff KingMay 27, 2020
  16. René ScharfeMay 21, 2020

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