Since 5883034 (checkout: reject if the branch is already checked out elsewhere) in normal use, we do not allow multiple worktrees having the same checked out branch. A bug has recently been fixed that caused this to not work as expected. Let's add a test to notice if this changes in the future. Signed-off-by: Rubén Justo <rjusto@xxxxxxxxx> --- t/t2060-switch.sh | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/t/t2060-switch.sh b/t/t2060-switch.sh index 5a7caf958c..e247a4735b 100755 --- a/t/t2060-switch.sh +++ b/t/t2060-switch.sh @@ -146,4 +146,33 @@ test_expect_success 'tracking info copied with autoSetupMerge=inherit' ' test_cmp_config "" --default "" branch.main2.merge ' +test_expect_success 'switch back when temporarily detached and checked out elsewhere ' ' + test_when_finished " + git worktree remove wt1 ||: + git worktree remove wt2 ||: + git checkout - ||: + git branch -D shared ||: + " && + git checkout -b shared && + test_commit shared-first && + HASH1=$(git rev-parse --verify HEAD) && + test_commit shared-second && + test_commit shared-third && + HASH2=$(git rev-parse --verify HEAD) && + git worktree add wt1 -f shared && + git -C wt1 bisect start && + git -C wt1 bisect good $HASH1 && + git -C wt1 bisect bad $HASH2 && + git worktree add wt2 -f shared && + git -C wt2 bisect start && + git -C wt2 bisect good $HASH1 && + git -C wt2 bisect bad $HASH2 && + # we test in both worktrees to ensure that works + # as expected with "first" and "next" worktrees + test_must_fail git -C wt1 switch shared && + git -C wt1 switch --ignore-other-worktrees shared && + test_must_fail git -C wt2 switch shared && + git -C wt2 switch --ignore-other-worktrees shared +' + test_done -- 2.39.2
