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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, "Jeff King" <peff@peff.net>,
	"Johannes Schindelin" <johannes.schindelin@gmx.de>,
	"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
	"Thomas Gummerer" <t.gummerer@gmail.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>
Subject: Re: [PATCH v4 8/9] checkout: add advice for ambiguous "checkout <branch>"
Date: Fri, 01 Jun 2018 11:50:14 +0200	[thread overview]
Message-ID: <8736y6al9l.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <xmqqin7386tv.fsf@gitster-ct.c.googlers.com>


On Fri, Jun 01 2018, Junio C Hamano wrote:

> Ævar Arnfjörð Bjarmason  <avarab@gmail.com> writes:
>
>> @@ -1269,6 +1270,16 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
>>  	if (opts.patch_mode || opts.pathspec.nr) {
>>  		int ret = checkout_paths(&opts, new_branch_info.name,
>>  					 &dwim_remotes_matched);
>> +		if (ret && dwim_remotes_matched > 1 &&
>> +		    advice_checkout_ambiguous_remote_branch_name)
>> +			advise(_("The argument '%s' matched more than one remote tracking branch.\n"
>> +				 "We found %d remotes with a reference that matched. So we fell back\n"
>> +				 "on trying to resolve the argument as a path, but failed there too!\n"
>> +				 "\n"
>> +				 "Perhaps you meant fully qualify the branch name? E.g. origin/<name>\n"
>> +				 "instead of <name>?"),
>> +			       argv[0],
>> +			       dwim_remotes_matched);
>>  		return ret;
>
> Do we give "checkout -p no-such-file" the above wall of text?

No:

    $ ./git --exec-path=$PWD checkout -p master
    No changes.
    $ ./git --exec-path=$PWD checkout master
    error: pathspec 'master' did not match any file(s) known to git.
    hint: The argument 'master' matched more than one remote tracking branch.
    [...]

> Somehow checkout_paths(), which is "we were given a tree-ish and
> pathspec and told to grab the matching paths out of it and stuff
> them to the index and the working tree", is a wrong place to be
> doing the "oh, what the caller thought was pathspec may turn out to
> be a rev, so check that too for such a confused caller".  Shouldn't
> the caller be doing all that (which would mean we wan't need to pass
> "remotes-matched" to the function, as the helper has nothing to do
> with deciding which arg is the tree-ish).

I skimmed the rest of this thread and saw there were more specific
suggestions. I'm open to moving this somewhere else. The "what is this
and what do we do" logic in checkout.c is spread over multiple
functions, and this seemed the most straightforward way to add this.

  parent reply	other threads:[~2018-06-01  9:50 UTC|newest]

Thread overview: 95+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-02 10:54 [PATCH] checkout & worktree: introduce a core.DWIMRemote setting Ævar Arnfjörð Bjarmason
2018-05-02 15:21 ` Duy Nguyen
2018-05-02 18:00   ` Eric Sunshine
2018-05-02 18:09     ` Duy Nguyen
2018-05-02 18:25     ` Ævar Arnfjörð Bjarmason
2018-05-03 13:18       ` [PATCH v2] checkout & worktree: introduce checkout.implicitRemote Ævar Arnfjörð Bjarmason
2018-05-03 15:14         ` Duy Nguyen
2018-05-04  7:54           ` Ævar Arnfjörð Bjarmason
2018-05-04 14:58             ` Duy Nguyen
2018-05-04 18:02               ` Ævar Arnfjörð Bjarmason
2018-05-04  9:58         ` Eric Sunshine
2018-05-24 19:47           ` [PATCH v3] " Ævar Arnfjörð Bjarmason
2018-05-25  8:12             ` Junio C Hamano
2018-05-25 14:42               ` Duy Nguyen
2018-05-25 18:38                 ` Ævar Arnfjörð Bjarmason
2018-05-26 12:49                   ` Duy Nguyen
2018-05-31  7:45             ` Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 0/9] ambiguous checkout UI & checkout.defaultRemote Ævar Arnfjörð Bjarmason
2018-06-01 21:10                 ` [PATCH v5 0/8] " Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 " Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 " Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 1/8] checkout tests: index should be clean after dwim checkout Ævar Arnfjörð Bjarmason
2018-06-05 15:45                       ` SZEDER Gábor
2018-07-27 17:48                         ` [PATCH] tests: make use of the test_must_be_empty function Ævar Arnfjörð Bjarmason
2018-07-27 21:50                           ` Junio C Hamano
2018-07-31  0:17                           ` SZEDER Gábor
2018-08-22 17:48                           ` [PATCH] t6018-rev-list-glob: fix 'empty stdin' test SZEDER Gábor
2018-08-22 17:53                             ` Eric Sunshine
2018-08-22 18:59                               ` SZEDER Gábor
2018-08-22 20:30                                 ` Eric Sunshine
2018-08-22 18:01                             ` Junio C Hamano
2018-08-22 18:50                             ` Junio C Hamano
2018-08-22 19:23                               ` Jeff King
2018-08-22 19:50                                 ` [PATCH] rev-list: make empty --stdin not an error Jeff King
2018-08-22 20:42                                   ` Junio C Hamano
2018-08-22 21:37                                     ` Jeff King
2018-08-22 21:50                                       ` Junio C Hamano
2018-08-22 21:55                                         ` Jeff King
2018-08-22 21:41                                     ` Junio C Hamano
2018-06-05 14:40                     ` [PATCH v7 2/8] checkout.h: wrap the arguments to unique_tracking_name() Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 3/8] checkout.c: introduce an *_INIT macro Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 4/8] checkout.c: change "unique" member to "num_matches" Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 5/8] checkout: pass the "num_matches" up to callers Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 6/8] builtin/checkout.c: use "ret" variable for return Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 7/8] checkout: add advice for ambiguous "checkout <branch>" Ævar Arnfjörð Bjarmason
2018-06-05 14:40                     ` [PATCH v7 8/8] checkout & worktree: introduce checkout.defaultRemote Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 1/8] checkout tests: index should be clean after dwim checkout Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 2/8] checkout.h: wrap the arguments to unique_tracking_name() Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 3/8] checkout.c: introduce an *_INIT macro Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 4/8] checkout.c]: change "unique" member to "num_matches" Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 5/8] checkout: pass the "num_matches" up to callers Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 6/8] builtin/checkout.c: use "ret" variable for return Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 7/8] checkout: add advice for ambiguous "checkout <branch>" Ævar Arnfjörð Bjarmason
2018-06-02 11:50                   ` [PATCH v6 8/8] checkout & worktree: introduce checkout.defaultRemote Ævar Arnfjörð Bjarmason
2018-06-03  7:58                     ` Eric Sunshine
2018-06-01 21:10                 ` [PATCH v5 1/8] checkout tests: index should be clean after dwim checkout Ævar Arnfjörð Bjarmason
2018-06-01 21:10                 ` [PATCH v5 2/8] checkout.h: wrap the arguments to unique_tracking_name() Ævar Arnfjörð Bjarmason
2018-06-01 21:10                 ` [PATCH v5 3/8] checkout.[ch]: introduce an *_INIT macro Ævar Arnfjörð Bjarmason
2018-06-01 22:40                   ` Eric Sunshine
2018-06-01 21:10                 ` [PATCH v5 4/8] checkout.[ch]: change "unique" member to "num_matches" Ævar Arnfjörð Bjarmason
2018-06-01 22:41                   ` Eric Sunshine
2018-06-01 21:10                 ` [PATCH v5 5/8] checkout: pass the "num_matches" up to callers Ævar Arnfjörð Bjarmason
2018-06-01 21:10                 ` [PATCH v5 6/8] builtin/checkout.c: use "ret" variable for return Ævar Arnfjörð Bjarmason
2018-06-01 21:10                 ` [PATCH v5 7/8] checkout: add advice for ambiguous "checkout <branch>" Ævar Arnfjörð Bjarmason
2018-06-01 22:52                   ` Eric Sunshine
2018-06-01 21:10                 ` [PATCH v5 8/8] checkout & worktree: introduce checkout.defaultRemote Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 1/9] checkout tests: index should be clean after dwim checkout Ævar Arnfjörð Bjarmason
2018-06-01  4:06                 ` Junio C Hamano
2018-06-01 19:43                   ` Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 2/9] checkout.h: wrap the arguments to unique_tracking_name() Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 3/9] checkout.[ch]: move struct declaration into *.h Ævar Arnfjörð Bjarmason
2018-05-31 21:45                 ` Thomas Gummerer
2018-06-01  2:14                   ` Junio C Hamano
2018-06-01  9:56                     ` Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 4/9] checkout.[ch]: introduce an *_INIT macro Ævar Arnfjörð Bjarmason
2018-06-01  4:16                 ` Junio C Hamano
2018-05-31 19:52               ` [PATCH v4 5/9] checkout.[ch]: change "unique" member to "num_matches" Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 6/9] checkout: pass the "num_matches" up to callers Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 7/9] builtin/checkout.c: use "ret" variable for return Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 8/9] checkout: add advice for ambiguous "checkout <branch>" Ævar Arnfjörð Bjarmason
2018-06-01  4:32                 ` Junio C Hamano
2018-06-01  5:11                   ` Junio C Hamano
2018-06-01  9:54                     ` Ævar Arnfjörð Bjarmason
2018-06-04  1:58                       ` Junio C Hamano
2018-06-01  9:50                   ` Ævar Arnfjörð Bjarmason [this message]
2018-06-01  7:53                 ` Eric Sunshine
2018-06-01 19:59                   ` Ævar Arnfjörð Bjarmason
2018-05-31 19:52               ` [PATCH v4 9/9] checkout & worktree: introduce checkout.defaultRemote Ævar Arnfjörð Bjarmason
2018-05-31 21:49                 ` Stefan Beller
2018-06-01  8:04                   ` Eric Sunshine
2018-06-01  9:47                   ` Ævar Arnfjörð Bjarmason
2018-05-31 22:22                 ` Thomas Gummerer
2018-06-01  2:17                   ` Junio C Hamano
2018-05-04  7:14       ` [PATCH] checkout & worktree: introduce a core.DWIMRemote setting Eric Sunshine
2018-05-04  7:23         ` Eric Sunshine

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