preload-index: add override to enable testing preload-index

diff --git a/builtin/notes.c b/builtin/notes.c
index 77573cf1ea8cb4d998597e265263487e22fde592..4303848e044c9f9c6a12236d887a521316b4fc05 100644 (file)
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -456,7 +456,7 @@ static int add(int argc, const char **argv, const char *prefix)
                        oid_to_hex(&object));
        }
 
-       prepare_note_data(&object, &d, note->hash);
+       prepare_note_data(&object, &d, note ? note->hash : NULL);
        if (d.buf.len || allow_empty) {
                write_note_data(&d, new_note.hash);
                if (add_note(t, &object, &new_note, combine_notes_overwrite))