checkout: add --ignore-other-wortrees
Noticed-by: Mark Levedahl <mlevedahl@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt
index 0c13825..52eaa48 100644
--- a/Documentation/git-checkout.txt
+++ b/Documentation/git-checkout.txt
@@ -232,6 +232,12 @@
specific files such as HEAD, index... See "MULTIPLE WORKING
TREES" section for more information.
+--ignore-other-worktrees::
+ `git checkout` refuses when the wanted ref is already checked
+ out by another worktree. This option makes it check the ref
+ out anyway. In other words, the ref can be held by more than one
+ worktree.
+
<branch>::
Branch to checkout; if it refers to a branch (i.e., a name that,
when prepended with "refs/heads/", is a valid ref), then that
diff --git a/builtin/checkout.c b/builtin/checkout.c
index d8717ef..8b2bf20 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -37,6 +37,7 @@
int writeout_stage;
int overwrite_ignore;
int ignore_skipworktree;
+ int ignore_other_worktrees;
const char *new_branch;
const char *new_branch_force;
@@ -1210,7 +1211,8 @@
int flag;
char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag);
if (head_ref &&
- (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
+ (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)) &&
+ !opts->ignore_other_worktrees)
check_linked_checkouts(new);
free(head_ref);
}
@@ -1341,6 +1343,8 @@
N_("second guess 'git checkout no-such-branch'")),
OPT_FILENAME(0, "to", &opts.new_worktree,
N_("check a branch out in a separate working directory")),
+ OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees,
+ N_("do not check if another worktree is holding the given ref")),
OPT_END(),
};
diff --git a/t/t2025-checkout-to.sh b/t/t2025-checkout-to.sh
index 915b506..f8e4df48 100755
--- a/t/t2025-checkout-to.sh
+++ b/t/t2025-checkout-to.sh
@@ -79,6 +79,13 @@
)
'
+test_expect_success 'not die the same branch is already checked out' '
+ (
+ cd here &&
+ git checkout --ignore-other-worktrees --to anothernewmaster newmaster
+ )
+'
+
test_expect_success 'not die on re-checking out current branch' '
(
cd there &&
