From: "Carlo Marcelo Arenas Belón" <carenas@gmail.com>
To: git@vger.kernel.org
Cc: vustthat@gmail.com, sunshine@sunshineco.com, pclouds@gmail.com,
"Carlo Marcelo Arenas Belón" <carenas@gmail.com>
Subject: [PATCH] builtin/checkout: check the branch used in -B with worktrees
Date: Mon, 16 Jan 2023 09:28:24 -0800 [thread overview]
Message-ID: <20230116172824.93218-1-carenas@gmail.com> (raw)
When multiple worktrees are being used, checkout/switch check
that the target branch is not already checked out with code that
evolved from 8d9fdd7087 (worktree.c: check whether branch is rebased
in another worktree, 2016-04-22), but that logic wasn't valid for
-B/-C
Avoid reusing the same `branch_info` structure for the checks and
assumming that it will be rejected later if is a new branch that
already exists as that doesn't apply to -B/-C.
Reported-by: Jinwook Jeong <vustthat@gmail.com>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
---
builtin/checkout.c | 22 ++++++++++++++++------
t/t2400-worktree-add.sh | 14 ++++++++++++++
2 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 3fa29a08ee..94dcd617ef 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -1474,7 +1474,8 @@ static void die_if_some_operation_in_progress(void)
}
static int checkout_branch(struct checkout_opts *opts,
- struct branch_info *new_branch_info)
+ struct branch_info *new_branch_info,
+ struct branch_info *check_branch_info)
{
if (opts->pathspec.nr)
die(_("paths cannot be used with switching branches"));
@@ -1533,13 +1534,12 @@ static int checkout_branch(struct checkout_opts *opts,
if (!opts->can_switch_when_in_progress)
die_if_some_operation_in_progress();
- if (new_branch_info->path && !opts->force_detach && !opts->new_branch &&
- !opts->ignore_other_worktrees) {
+ if (check_branch_info->path && !opts->force_detach && !opts->ignore_other_worktrees) {
int flag;
char *head_ref = resolve_refdup("HEAD", 0, NULL, &flag);
if (head_ref &&
- (!(flag & REF_ISSYMREF) || strcmp(head_ref, new_branch_info->path)))
- die_if_checked_out(new_branch_info->path, 1);
+ (!(flag & REF_ISSYMREF) || strcmp(head_ref, check_branch_info->path)))
+ die_if_checked_out(check_branch_info->path, 1);
free(head_ref);
}
@@ -1628,6 +1628,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
struct branch_info *new_branch_info)
{
int parseopt_flags = 0;
+ struct branch_info check_branch_info = { 0 };
opts->overwrite_ignore = 1;
opts->prefix = prefix;
@@ -1739,6 +1740,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
!opts->new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
new_branch_info, opts, &rev);
+ check_branch_info = *new_branch_info;
argv += n;
argc -= n;
} else if (!opts->accept_ref && opts->from_treeish) {
@@ -1751,8 +1753,16 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
opts, &rev,
opts->from_treeish);
+ check_branch_info = *new_branch_info;
if (!opts->source_tree)
die(_("reference is not a tree: %s"), opts->from_treeish);
+ } else if (opts->new_branch) {
+ struct object_id rev;
+
+ if (!get_oid_mb(opts->new_branch, &rev))
+ setup_new_branch_info_and_source_tree(&check_branch_info,
+ opts, &rev,
+ opts->new_branch);
}
if (argc) {
@@ -1819,7 +1829,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
if (opts->patch_mode || opts->pathspec.nr)
return checkout_paths(opts, new_branch_info);
else
- return checkout_branch(opts, new_branch_info);
+ return checkout_branch(opts, new_branch_info, &check_branch_info);
}
int cmd_checkout(int argc, const char **argv, const char *prefix)
diff --git a/t/t2400-worktree-add.sh b/t/t2400-worktree-add.sh
index d587e0b20d..283ba7607e 100755
--- a/t/t2400-worktree-add.sh
+++ b/t/t2400-worktree-add.sh
@@ -125,6 +125,13 @@ test_expect_success 'die the same branch is already checked out' '
)
'
+test_expect_success 'die the same branch is already checked out (checkout -B)' '
+ (
+ cd here &&
+ test_must_fail git checkout -B newmain
+ )
+'
+
test_expect_success SYMLINKS 'die the same branch is already checked out (symlink)' '
head=$(git -C there rev-parse --git-path HEAD) &&
ref=$(git -C there symbolic-ref HEAD) &&
@@ -147,6 +154,13 @@ test_expect_success 'not die on re-checking out current branch' '
)
'
+test_expect_success 'not die on re-checking out current branch (checkout -B)' '
+ (
+ cd there &&
+ git checkout -B newmain
+ )
+'
+
test_expect_success '"add" from a bare repo' '
(
git clone --bare . bare &&
--
2.39.0.1.g119e9c6876.dirty
next reply other threads:[~2023-01-16 17:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-16 17:28 Carlo Marcelo Arenas Belón [this message]
2023-01-16 22:18 ` [PATCH] builtin/checkout: check the branch used in -B with worktrees Eric Sunshine
2023-01-17 0:53 ` Rubén Justo
2023-01-18 5:44 ` Carlo Arenas
2023-01-18 6:15 ` [PATCH v2] checkout/switch: disallow checking out same branch in multiple worktrees Carlo Marcelo Arenas Belón
2023-01-18 6:52 ` Junio C Hamano
2023-01-18 7:58 ` Carlo Arenas
2023-01-18 16:10 ` Junio C Hamano
2023-01-18 22:55 ` Junio C Hamano
2023-01-19 5:53 ` [PATCH v3] " Carlo Marcelo Arenas Belón
2023-01-19 7:23 ` Re* " Junio C Hamano
2023-01-19 7:41 ` Carlo Arenas
2023-01-19 14:21 ` Phillip Wood
2023-01-20 3:10 ` Junio C Hamano
2023-01-20 3:53 ` Carlo Arenas
2023-01-20 4:39 ` Carlo Arenas
2023-01-20 11:35 ` [PATCH v4] " Carlo Marcelo Arenas Belón
2023-01-20 15:08 ` Phillip Wood
2023-01-20 22:12 ` Carlo Arenas
2023-01-27 14:46 ` Phillip Wood
2023-05-14 20:21 ` Rubén Justo
2023-03-23 0:06 ` Junio C Hamano
2023-03-24 3:49 ` Carlo Arenas
2023-05-14 20:24 ` Rubén Justo
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