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From: Jacob Abel <jacobabel@nullpo.dev>
To: git@vger.kernel.org
Cc: "Jacob Abel" <jacobabel@nullpo.dev>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Phillip Wood" <phillip.wood123@gmail.com>,
	"Rubén Justo" <rjusto@gmail.com>, "Taylor Blau" <me@ttaylorr.com>,
	rsbecker@nexbridge.com
Subject: [PATCH v5 4/4] worktree add: Add hint to use --orphan when bad ref
Date: Tue, 20 Dec 2022 02:38:20 +0000	[thread overview]
Message-ID: <20221220023637.29042-5-jacobabel@nullpo.dev> (raw)
In-Reply-To: <20221220023637.29042-1-jacobabel@nullpo.dev>

Adds a new advice/hint in `git worktree add` for when the user
tries to create a new worktree from a reference that doesn't exist.

Signed-off-by: Jacob Abel <jacobabel@nullpo.dev>
---
 Documentation/config/advice.txt |  4 ++++
 advice.c                        |  1 +
 advice.h                        |  1 +
 builtin/worktree.c              |  6 ++++++
 t/t2400-worktree-add.sh         | 16 ++++++++++++++++
 5 files changed, 28 insertions(+)

diff --git a/Documentation/config/advice.txt b/Documentation/config/advice.txt
index a00d0100a8..3e58521613 100644
--- a/Documentation/config/advice.txt
+++ b/Documentation/config/advice.txt
@@ -136,4 +136,8 @@ advice.*::
 		Advice shown when either linkgit:git-add[1] or linkgit:git-rm[1]
 		is asked to update index entries outside the current sparse
 		checkout.
+	worktreeAddOrphan::
+		Advice shown when a user tries to create a worktree from an
+		invalid reference, to instruct how to create a new orphan
+		branch instead.
 --
diff --git a/advice.c b/advice.c
index fd18968943..53e91fdb85 100644
--- a/advice.c
+++ b/advice.c
@@ -75,6 +75,7 @@ static struct {
 	[ADVICE_SUBMODULES_NOT_UPDATED] 		= { "submodulesNotUpdated", 1 },
 	[ADVICE_UPDATE_SPARSE_PATH]			= { "updateSparsePath", 1 },
 	[ADVICE_WAITING_FOR_EDITOR]			= { "waitingForEditor", 1 },
+	[ADVICE_WORKTREE_ADD_ORPHAN]			= { "worktreeAddOrphan", 1 },
 };

 static const char turn_off_instructions[] =
diff --git a/advice.h b/advice.h
index 07e0f76833..919d8c0064 100644
--- a/advice.h
+++ b/advice.h
@@ -50,6 +50,7 @@ struct string_list;
 	ADVICE_UPDATE_SPARSE_PATH,
 	ADVICE_WAITING_FOR_EDITOR,
 	ADVICE_SKIPPED_CHERRY_PICKS,
+	ADVICE_WORKTREE_ADD_ORPHAN,
 };

 int git_default_advice_config(const char *var, const char *value);
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 194c3ccabf..1f44978616 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -730,6 +730,12 @@ static int add(int ac, const char **av, const char *prefix)
 	if (opts.orphan) {
 		branch = new_branch;
 	} else if (!lookup_commit_reference_by_name(branch)) {
+		advise_if_enabled(ADVICE_WORKTREE_ADD_ORPHAN,
+			_("If you meant to create a worktree containing a new orphan branch\n"
+			"(branch with no commits) for this repository, you can do so\n"
+			"using the --orphan option:\n"
+			"\n"
+			"	git worktree add --orphan %s %s\n"), new_branch, path);
 		die(_("invalid reference: %s"), branch);
 	} else if (new_branch) {
 		struct child_process cp = CHILD_PROCESS_INIT;
diff --git a/t/t2400-worktree-add.sh b/t/t2400-worktree-add.sh
index 73ad26651e..05539aa03c 100755
--- a/t/t2400-worktree-add.sh
+++ b/t/t2400-worktree-add.sh
@@ -375,6 +375,22 @@ test_expect_success '"add" worktree with orphan branch, lock, and reason' '
 	test_cmp expect .git/worktrees/orphan-with-lock-reason/locked
 '

+test_wt_add_empty_repo_orphan_hint() {
+	local context="$1"
+	shift
+	local opts="$@"
+	test_expect_success "'worktree add' show orphan hint in empty repo w/ $context" '
+		test_when_finished "rm -rf empty_repo" &&
+		GIT_DIR="empty_repo" git init --bare &&
+		test_must_fail git -C empty_repo worktree add $opts foobar/ 2> actual &&
+		grep "hint: If you meant to create a worktree containing a new orphan branch" actual
+	'
+}
+
+test_wt_add_empty_repo_orphan_hint 'DWIM'
+test_wt_add_empty_repo_orphan_hint '-b' -b foobar_branch
+test_wt_add_empty_repo_orphan_hint '-B' -B foobar_branch
+
 test_expect_success 'local clone from linked checkout' '
 	git clone --local here here-clone &&
 	( cd here-clone && git fsck )
--
2.38.2



  parent reply	other threads:[~2022-12-20  2:40 UTC|newest]

Thread overview: 129+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-04  1:02 [PATCH 0/4] worktree: Support `--orphan` when creating new worktrees Jacob Abel
2022-11-04  1:03 ` [PATCH 1/4] worktree add: Include -B in usage docs Jacob Abel
2022-11-04  3:05   ` Eric Sunshine
2022-11-04  4:24     ` Jacob Abel
2022-11-04  1:03 ` [PATCH 2/4] builtin/worktree.c: Update checkout_worktree() to use git-worktree Jacob Abel
2022-11-04  1:32   ` Ævar Arnfjörð Bjarmason
2022-11-04  3:58     ` Jacob Abel
2022-11-04 20:45     ` Taylor Blau
2022-11-04  1:03 ` [PATCH 3/4] worktree add: add --orphan flag Jacob Abel
2022-11-04  1:33   ` Ævar Arnfjörð Bjarmason
2022-11-04  4:11     ` Jacob Abel
2022-11-04  5:03   ` Eric Sunshine
2022-11-04 16:41     ` Jacob Abel
2022-11-10  4:13       ` Eric Sunshine
2022-11-10 21:21         ` Jacob Abel
2022-11-04  1:03 ` [PATCH 4/4] worktree add: Add unit tests for --orphan Jacob Abel
2022-11-04  1:37   ` Ævar Arnfjörð Bjarmason
2022-11-04  4:17     ` Jacob Abel
2022-11-04  4:33 ` [PATCH 0/4] worktree: Support `--orphan` when creating new worktrees Eric Sunshine
2022-11-04  4:47   ` Jacob Abel
2022-11-04  4:50   ` Jacob Abel
2022-11-04 21:34 ` [PATCH v2 0/2] " Jacob Abel
2022-11-04 21:34   ` [PATCH v2 1/2] worktree add: Include -B in usage docs Jacob Abel
2022-11-04 21:34   ` [PATCH v2 2/2] worktree add: add --orphan flag Jacob Abel
2022-11-10 23:32   ` [PATCH v3 0/2] worktree: Support `--orphan` when creating new worktrees Jacob Abel
2022-11-10 23:32     ` [PATCH v3 1/2] worktree add: Include -B in usage docs Jacob Abel
2022-11-10 23:32     ` [PATCH v3 2/2] worktree add: add --orphan flag Jacob Abel
2022-11-15 21:08       ` Ævar Arnfjörð Bjarmason
2022-11-15 21:29         ` Eric Sunshine
2022-11-15 22:35           ` Ævar Arnfjörð Bjarmason
2022-11-16  0:19             ` Eric Sunshine
2022-11-19  3:13               ` Jacob Abel
2022-11-19  3:09             ` Jacob Abel
2022-11-19 11:50               ` Ævar Arnfjörð Bjarmason
2022-11-19  1:44         ` Jacob Abel
2022-11-22  6:00           ` Eric Sunshine
2022-11-22 23:09             ` Jacob Abel
2022-11-15 22:09       ` Ævar Arnfjörð Bjarmason
2022-11-19  2:57         ` Jacob Abel
2022-11-19 11:50           ` Ævar Arnfjörð Bjarmason
2022-11-16  0:39     ` [PATCH v3 0/2] worktree: Support `--orphan` when creating new worktrees Eric Sunshine
2022-11-17 10:00       ` Ævar Arnfjörð Bjarmason
2022-11-19  3:47         ` Jacob Abel
2022-11-19 11:48           ` Ævar Arnfjörð Bjarmason
2022-11-22  5:16             ` Eric Sunshine
2022-11-22 23:26               ` Jacob Abel
2022-11-22 23:55                 ` Ævar Arnfjörð Bjarmason
2022-11-23  2:47                   ` Jacob Abel
2022-11-23  2:43                 ` Rubén Justo
2022-11-23  5:37                   ` Jacob Abel
2022-11-23  7:35                     ` Rubén Justo
2022-11-22 14:45           ` Phillip Wood
2022-11-23  4:21             ` Jacob Abel
2022-12-12  1:42     ` [PATCH v4 0/3] " Jacob Abel
2022-12-12  1:42       ` [PATCH v4 1/3] worktree add: Include -B in usage docs Jacob Abel
2022-12-12  1:42       ` [PATCH v4 2/3] worktree add: add --orphan flag Jacob Abel
2022-12-12  8:11         ` Ævar Arnfjörð Bjarmason
2022-12-12 14:55           ` Jacob Abel
2022-12-12 18:14             ` Ævar Arnfjörð Bjarmason
2022-12-12 22:39               ` Jacob Abel
2022-12-12  1:43       ` [PATCH v4 3/3] worktree add: Add hint to use --orphan when bad ref Jacob Abel
2022-12-12  8:35         ` Ævar Arnfjörð Bjarmason
2022-12-12 14:59           ` Jacob Abel
2022-12-12 18:16             ` Ævar Arnfjörð Bjarmason
2022-12-12 18:35               ` Eric Sunshine
2022-12-12 22:36                 ` Jacob Abel
2022-12-12 22:38               ` Jacob Abel
2022-12-20  2:37       ` [PATCH v5 0/4] worktree: Support `--orphan` when creating new worktrees Jacob Abel
2022-12-20  2:37         ` [PATCH v5 1/4] worktree add: Include -B in usage docs Jacob Abel
2022-12-20  3:42           ` Junio C Hamano
2022-12-20 23:24             ` Jacob Abel
2022-12-20  2:37         ` [PATCH v5 2/4] worktree add: refactor opt exclusion tests Jacob Abel
2022-12-20  4:00           ` Junio C Hamano
2022-12-20 23:29             ` Jacob Abel
2022-12-20  2:38         ` [PATCH v5 3/4] worktree add: add --orphan flag Jacob Abel
2022-12-20  4:19           ` Junio C Hamano
2022-12-21  0:17             ` Jacob Abel
2022-12-20  2:38         ` Jacob Abel [this message]
2022-12-20  6:18           ` [PATCH v5 4/4] worktree add: Add hint to use --orphan when bad ref Junio C Hamano
2022-12-21  0:42             ` Jacob Abel
2022-12-28  6:16         ` [PATCH v6 0/4] worktree: Support `--orphan` when creating new worktrees Jacob Abel
2022-12-28  6:16           ` [PATCH v6 1/4] worktree add: include -B in usage docs Jacob Abel
2022-12-28  6:16           ` [PATCH v6 2/4] worktree add: refactor opt exclusion tests Jacob Abel
2022-12-28 12:54             ` Junio C Hamano
2022-12-29  6:51               ` Jacob Abel
2022-12-29 10:07                 ` Junio C Hamano
2022-12-29 20:48                   ` Jacob Abel
2023-01-06  6:31                   ` Jacob Abel
2023-01-06 12:34                     ` Junio C Hamano
2023-01-07  4:45                       ` Jacob Abel
2022-12-28  6:17           ` [PATCH v6 3/4] worktree add: add --orphan flag Jacob Abel
2022-12-28  6:17           ` [PATCH v6 4/4] worktree add: add hint to direct users towards --orphan Jacob Abel
2023-01-06 14:19             ` Phillip Wood
2022-12-28  8:01           ` [PATCH v6 0/4] worktree: Support `--orphan` when creating new worktrees Ævar Arnfjörð Bjarmason
2022-12-29  6:38             ` Jacob Abel
2022-12-29 10:42               ` Ævar Arnfjörð Bjarmason
2022-12-29 21:22                 ` Jacob Abel
2023-01-07  4:58           ` [PATCH v7 " Jacob Abel
2023-01-07  4:59             ` [PATCH v7 1/4] worktree add: include -B in usage docs Jacob Abel
2023-01-07  4:59             ` [PATCH v7 2/4] worktree add: refactor opt exclusion tests Jacob Abel
2023-01-08  7:13               ` Junio C Hamano
2023-01-08 15:08                 ` Jacob Abel
2023-01-07  4:59             ` [PATCH v7 3/4] worktree add: add --orphan flag Jacob Abel
2023-01-07  4:59             ` [PATCH v7 4/4] worktree add: add hint to direct users towards --orphan Jacob Abel
2023-01-09 12:26             ` [PATCH v7 0/4] worktree: Support `--orphan` when creating new worktrees Ævar Arnfjörð Bjarmason
2023-01-09 17:11               ` Jacob Abel
2023-01-09 17:21                 ` Ævar Arnfjörð Bjarmason
2023-01-09 17:26                   ` Jacob Abel
2023-01-09 17:32             ` [PATCH v8 " Jacob Abel
2023-01-09 17:32               ` [PATCH v8 1/4] worktree add: include -B in usage docs Jacob Abel
2023-01-09 17:33               ` [PATCH v8 2/4] worktree add: refactor opt exclusion tests Jacob Abel
2023-01-09 17:33               ` [PATCH v8 3/4] worktree add: add --orphan flag Jacob Abel
2023-01-13 10:20                 ` Phillip Wood
2023-01-13 17:32                   ` Junio C Hamano
2023-01-14 22:47                   ` Jacob Abel
2023-01-15  3:09                     ` Junio C Hamano
2023-01-15  3:41                       ` rsbecker
2023-01-15  3:49                         ` Junio C Hamano
2023-01-18 22:46                           ` 'Jacob Abel'
2023-01-18 22:18                       ` Jacob Abel
2023-01-19 15:32                         ` Ævar Arnfjörð Bjarmason
2023-01-19 16:32                           ` Junio C Hamano
2023-01-16 10:47                     ` Phillip Wood
2023-01-18 22:40                       ` Jacob Abel
2023-01-19 16:18                         ` Phillip Wood
2023-01-19 22:20                           ` Jacob Abel
2023-01-09 17:33               ` [PATCH v8 4/4] worktree add: add hint to direct users towards --orphan Jacob Abel
2023-01-09 19:20               ` [PATCH v8 0/4] worktree: Support `--orphan` when creating new worktrees Ævar Arnfjörð Bjarmason
2023-01-13 17:34                 ` Junio C Hamano

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