@@ -634,11 +634,15 @@ test_expect_success 'submodule handling' '
grep "160000 commit $(git -C initial-repo rev-parse HEAD) modules/sub" cache
'
+# When working with a sparse index, some commands will need to expand the
+# index to operate properly. If those commands also write the index back
+# to disk, they need to convert the index to sparse before writing.
+# This test verifies that both of these events are logged in trace2 logs.
test_expect_success 'sparse-index is expanded and converted back' '
init_repos &&
GIT_TRACE2_EVENT="$(pwd)/trace2.txt" GIT_TRACE2_EVENT_NESTING=10 \
- git -C sparse-index -c core.fsmonitor="" reset --hard &&
+ git -C sparse-index reset -- folder1/a &&
test_region index convert_to_sparse trace2.txt &&
test_region index ensure_full_index trace2.txt
'