packfile: add repository argument to cache_or_unpack_entry

diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh
index f39ec3095191da6c89695d44b78d9129965c4ec0..1f38a85371ab49790d14d3d4b82a0ee6e52789dd 100755 (executable)
--- a/t/lib-submodule-update.sh
+++ b/t/lib-submodule-update.sh
@@ -657,6 +657,23 @@ test_submodule_recursing_with_args_common() {
                        test_submodule_content sub1 origin/add_sub1
                )
        '
+       test_expect_success "$command: submodule branch is not changed, detach HEAD instead" '
+               prolog &&
+               reset_work_tree_to_interested add_sub1 &&
+               (
+                       cd submodule_update &&
+                       git -C sub1 checkout -b keep_branch &&
+                       git -C sub1 rev-parse HEAD >expect &&
+                       git branch -t modify_sub1 origin/modify_sub1 &&
+                       $command modify_sub1 &&
+                       test_superproject_content origin/modify_sub1 &&
+                       test_submodule_content sub1 origin/modify_sub1 &&
+                       git -C sub1 rev-parse keep_branch >actual &&
+                       test_cmp expect actual &&
+                       test_must_fail git -C sub1 symbolic-ref HEAD
+               )
+       '
+
        # Replacing a tracked file with a submodule produces a checked out submodule
        test_expect_success "$command: replace tracked file with submodule checks out submodule" '
                prolog &&
@@ -868,6 +885,7 @@ test_submodule_switch_recursing_with_args () {
                (
                        cd submodule_update &&
                        git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
+                       echo ignored >.git/modules/sub1/info/exclude &&
                        : >sub1/ignored &&
                        $command replace_sub1_with_file &&
                        test_superproject_content origin/replace_sub1_with_file &&
@@ -997,4 +1015,18 @@ test_submodule_forced_switch_recursing_with_args () {
                        test_submodule_content sub1 origin/modify_sub1
                )
        '
+
+       test_expect_success "$command: changed submodule worktree is reset" '
+               prolog &&
+               reset_work_tree_to_interested add_sub1 &&
+               (
+                       cd submodule_update &&
+                       rm sub1/file1 &&
+                       : >sub1/new_file &&
+                       git -C sub1 add new_file &&
+                       $command HEAD &&
+                       test_path_is_file sub1/file1 &&
+                       test_path_is_missing sub1/new_file
+               )
+       '
 }