Signed-off-by: Elijah Newren <newren@xxxxxxxxx> --- t/t6036-recursive-corner-cases.sh | 88 +++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/t/t6036-recursive-corner-cases.sh b/t/t6036-recursive-corner-cases.sh index 0ba04d46d..0c8f81331 100755 --- a/t/t6036-recursive-corner-cases.sh +++ b/t/t6036-recursive-corner-cases.sh @@ -938,4 +938,92 @@ test_expect_failure 'check symlink add/add' ' ) ' +# +# criss-cross with modify/modify on a submodule: +# +# B D +# o---o +# / \ / \ +# A o X ? F +# \ / \ / +# o---o +# C E +# +# Commit A: simple submodule repo +# Commit B: update repo +# Commit C: update repo differently +# Commit D: merge B&C, resolving in favor of B +# Commit E: merge B&C, resolving in favor of C +# +# This is an obvious modify/modify conflict for the submodule 'repo'. Can +# git detect it? + +test_expect_success 'setup submodule modify/modify' ' + test_create_repo submodule-modify-modify && + ( + cd submodule-modify-modify && + + test_create_repo submod && + ( + cd submod && + touch file-A && + git add file-A && + git commit -m A && + git tag A && + + git checkout -b B A && + touch file-B && + git add file-B && + git commit -m B && + git tag B && + + git checkout -b C A && + touch file-C && + git add file-C && + git commit -m C && + git tag C + ) && + + git -C submod reset --hard A && + git add submod && + git commit -m A && + git tag A && + + git checkout -b B A && + git -C submod reset --hard B && + git add submod && + git commit -m B && + + git checkout -b C A && + git -C submod reset --hard C && + git add submod && + git commit -m C && + + git checkout -q B^0 && + git merge -s ours -m D C^0 && + git tag D && + + git checkout -q C^0 && + git merge -s ours -m E B^0 && + git tag E + ) +' + +test_expect_failure 'check submodule modify/modify' ' + ( + cd submodule-modify-modify && + + git checkout D^0 && + + test_must_fail git merge -s recursive E^0 && + + git ls-files -s >out && + test_line_count = 3 out && + git ls-files -u >out && + test_line_count = 3 out && + git ls-files -o >out && + test_line_count = 1 out + ) +' + test_done -- 2.18.0.130.gd703bbb5d