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From: Junio C Hamano <gitster@pobox.com>
To: "Carlos Martín Nieto" <cmn@elego.de>
Cc: git@vger.kernel.org, jrnieder@gmail.com
Subject: Re: [PATCH 2/3] branch: suggest how to undo a --set-upstream when given one branch
Date: Tue, 10 Jul 2012 10:40:33 -0700	[thread overview]
Message-ID: <7va9z7ikfi.fsf@alter.siamese.dyndns.org> (raw)
In-Reply-To: <1341939181-8962-3-git-send-email-cmn@elego.de> ("Carlos =?utf-8?Q?Mart=C3=ADn?= Nieto"'s message of "Tue, 10 Jul 2012 18:53:00 +0200")

Carlos Martín Nieto <cmn@elego.de> writes:

> This interface is error prone, and a better one (--set-upstream-to)
> exists. Suggest how to fix a --set-upstream invocation in case the
> user only gives one argument, which makes it likely that he meant to
> do the opposite, like with
>
>     git branch --set-upstream origin/master
>
> when they meant one of
>
>     git branch --set-upstream origin/master master
>     git branch --set-upstream-to origin/master
>
> Signed-off-by: Carlos Martín Nieto <cmn@elego.de>

The new code does not seem to depend on the value of "track" (which
is set by either -t or --set-upstream) in any way.  Shouldn't it be
done only when it is set to track-override?

Doesn't "git branch [-f] frotz" without any other argument trigger
the warning?

>  builtin/branch.c |   22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>
> diff --git a/builtin/branch.c b/builtin/branch.c
> index c886fc0..5551227 100644
> --- a/builtin/branch.c
> +++ b/builtin/branch.c
> @@ -864,10 +864,32 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
>  		   info and making sure new_upstream is correct */
>  		create_branch(head, branch->name, new_upstream, 0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
>  	} else if (argc > 0 && argc <= 2) {
> +		struct branch *branch = branch_get(argv[0]);
> +		const char *old_upstream = NULL;
> +		int branch_existed = 0;
> +
>  		if (kinds != REF_LOCAL_BRANCH)
>  			die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
> +
> +		/* Save what argv[0] was pointing to so we can give
> +		   the --set-upstream-to hint */
> +		if (branch_has_merge_config(branch))
> +		  old_upstream = shorten_unambiguous_ref(branch->merge[0]->dst, 0);
> +
> +		branch_existed = ref_exists(branch->refname);
>  		create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
>  			      force_create, reflog, 0, quiet, track);
> +
> +		if (argc == 1) {
> +			printf("If you wanted to make '%s' track '%s', do this:\n", head, argv[0]);
> +			if (branch_existed)
> +				printf(" $ git branch --set-upstream '%s' '%s'\n", argv[0], old_upstream);
> +			else
> +				printf(" $ git branch -d '%s'\n", argv[0]);
> +
> +			printf(" $ git branch --set-upstream-to '%s'\n", argv[0]);
> +		}
> +
>  	} else
>  		usage_with_options(builtin_branch_usage, options);

  parent reply	other threads:[~2012-07-10 17:40 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-10 16:52 [PATCH 0/3] A better way of handling upstream information in git-branch Carlos Martín Nieto
2012-07-10 16:52 ` [PATCH 1/3] branch: introduce --set-upstream-to Carlos Martín Nieto
2012-07-10 17:08   ` Matthieu Moy
2012-07-10 17:26   ` Junio C Hamano
2012-07-10 19:13   ` Jonathan Nieder
2012-07-10 19:49     ` Junio C Hamano
2012-07-10 20:11       ` Jonathan Nieder
2012-07-10 20:49         ` Junio C Hamano
2012-07-10 21:09           ` Jonathan Nieder
2012-07-10 23:13             ` Junio C Hamano
2012-07-10 23:47               ` Jonathan Nieder
2012-07-11  1:20                 ` Junio C Hamano
2012-07-11  1:37                   ` Jonathan Nieder
2012-07-12  8:41                   ` Miles Bader
2012-07-12 16:58                     ` Junio C Hamano
2012-07-10 16:53 ` [PATCH 2/3] branch: suggest how to undo a --set-upstream when given one branch Carlos Martín Nieto
2012-07-10 17:20   ` Matthieu Moy
2012-07-11 13:50     ` Carlos Martín Nieto
2012-07-10 17:40   ` Junio C Hamano [this message]
2012-07-11 14:24     ` Carlos Martín Nieto
2012-07-10 19:24   ` Jonathan Nieder
2012-07-10 22:43     ` Junio C Hamano
2012-07-10 23:00       ` Jonathan Nieder
2012-07-11 15:14         ` Carlos Martín Nieto
2012-07-10 16:53 ` [PATCH 3/3] branch: add --unset-upstream option Carlos Martín Nieto
2012-07-10 18:02   ` Junio C Hamano
2012-07-11 14:14     ` Carlos Martín Nieto
2012-07-11 16:53       ` Junio C Hamano
2012-07-12 10:27         ` Carlos Martín Nieto

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