(command.CommandList
  children: [
    (command.ShAssignment
      left: <Id.Lit_VarLike 'test_description='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'test_description='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'test_description='> name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'diff -r -t shows directory additions and deletions'>)}
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <.>
      more_env: []
      words: [{<.>} {<'./test-lib.sh'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {<setup>}
        {
          (SQ <'\n'> <'\tmkdir dc dr dt &&\n'> <'\t>dc/1 &&\n'> <'\t>dr/2 &&\n'> <'\t>dt/3 &&\n'> 
            <'\t>fc &&\n'> <'\t>fr &&\n'> <'\t>ft &&\n'> <'\tgit add . &&\n'> <'\ttest_tick &&\n'> <'\tgit commit -m initial &&\n'> 
            <'\n'> <'\trm -fr dt dr ft fr &&\n'> <'\tmkdir da ft &&\n'> <'\tfor p in dc/1 da/4 dt ft/5 fc\n'> <'\tdo\n'> 
            <'\t\techo hello >$p || exit\n'> <'\tdone &&\n'> <'\tgit add -u &&\n'> <'\tgit add . &&\n'> <'\ttest_tick &&\n'> 
            <'\tgit commit -m second\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <cat>
      more_env: []
      words: [{<cat>}]
      redirects: [
        (Redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<expect>})
        (Redir
          op: <Id.Redir_DLess '<<'>
          loc: (redir_loc.Fd fd:0)
          arg: 
            (redir_param.HereDoc
              here_begin: {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\E'> ch:E) <OF>}
              here_end_tok: <Id.Undefined_Tok ''>
              stdin_parts: [
                <'A\tda\n'>
                <'A\tda/4\n'>
                <'M\tdc\n'>
                <'M\tdc/1\n'>
                <'D\tdr\n'>
                <'D\tdr/2\n'>
                <'A\tdt\n'>
                <'D\tdt\n'>
                <'D\tdt/3\n'>
                <'M\tfc\n'>
                <'D\tfr\n'>
                <'D\tft\n'>
                <'A\tft\n'>
                <'A\tft/5\n'>
              ]
            )
        )
      ]
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {<verify>}
        {
          (SQ <'\n'> <'\tgit diff-tree -r -t --name-status HEAD^ HEAD >actual &&\n'> 
            <'\ttest_cmp expect actual\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_done>
      more_env: []
      words: [{<test_done>}]
      redirects: []
      do_fork: T
    )
  ]
)