checkout: optimize "git checkout -b <new_branch>"

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index b5b4922aba72d18c221571a1523d3d5785923797..48fd14fae6e9ac04f2edac3592bfb3ee4504cab1 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -126,8 +126,10 @@ test_expect_success 'submodule add' '
        test_cmp empty untracked
 '
 
-test_create_repo parent &&
-test_commit -C parent one
+test_expect_success 'setup parent and one repository' '
+       test_create_repo parent &&
+       test_commit -C parent one
+'
 
 test_expect_success 'redirected submodule add does not show progress' '
        git -C addtest submodule add "file://$submodurl/parent" submod-redirected \
@@ -837,6 +839,21 @@ test_expect_success 'moving the superproject does not break submodules' '
        )
 '
 
+test_expect_success 'moving the submodule does not break the superproject' '
+       (
+               cd addtest2 &&
+               git submodule status
+       ) >actual &&
+       sed -e "s/^ \([^ ]* repo\) .*/-\1/" <actual >expect &&
+       mv addtest2/repo addtest2/repo.bak &&
+       test_when_finished "mv addtest2/repo.bak addtest2/repo" &&
+       (
+               cd addtest2 &&
+               git submodule status
+       ) >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'submodule add --name allows to replace a submodule with another at the same path' '
        (
                cd addtest2 &&
@@ -976,6 +993,11 @@ test_expect_success 'submodule deinit should remove the whole submodule section
        rmdir init
 '
 
+test_expect_success 'submodule deinit should unset core.worktree' '
+       test_path_is_file .git/modules/example/config &&
+       test_must_fail git config -f .git/modules/example/config core.worktree
+'
+
 test_expect_success 'submodule deinit from subdirectory' '
        git submodule update --init &&
        git config submodule.example.foo bar &&