t / chainlint / nested-subshell.expecton commit untracked-cache: be defensive about missing NULs in index (c6909f9)
   1(
   2        cd foo &&
   3        (
   4                echo a &&
   5                echo b
   6>>      ) >file &&
   7        cd foo &&
   8        (
   9                echo a
  10                echo b
  11>>      ) >file
  12>)