(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('mk', {[DQ [VarSub @]]})])
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "all: foo\n"][LIT_CHARS "\n"][LIT_CHARS "foo:\n"][LIT_CHARS "\techo foo\n"]]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS Makefile]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS touch]} {[LIT_CHARS -t]} {[LIT_CHARS 197101010000]} {[LIT_CHARS Makefile]}  )
  (Com {[DQ [VarSub @]]}  )
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -e]} {[LIT_CHARS .kati_cache.Makefile]} {[LIT_DBRACKET_LIKE "]"]}    )
    (If
      (Pipeline!
        (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[SQ <LIT_CHARS "Cache not found">]} {[LIT_CHARS kati.INFO]}        )
      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "Cache unexpectedly found">]}      )
    )
  )
  (Com {[DQ [VarSub @]]}  )
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -e]} {[LIT_CHARS .kati_cache.Makefile]} {[LIT_DBRACKET_LIKE "]"]}    )
    (If
      (Pipeline!
        (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[SQ <LIT_CHARS "Cache found">]} {[LIT_CHARS kati.INFO]}        )
      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "Cache unexpectedly not found">]}      )
    )
  )
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "\techo bar\n"]]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS Makefile]} <REDIR_DGREAT ">>"> 1),
    >
  )
  (Com {[DQ [VarSub @]]}  )
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -e]} {[LIT_CHARS .kati_cache.Makefile]} {[LIT_DBRACKET_LIKE "]"]}    )
    (If
      (Pipeline!
        (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[SQ <LIT_CHARS "Cache expired">]} {[LIT_CHARS kati.INFO]}        )
      )
      (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "Cache unexpectedly not expired">]}      )
    )
  )
)