(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('log', {[LIT_CHARS /tmp/log]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('mk', {[DQ [VarSub @]]})])
  (FunctionDef sleep_if_necessary []
    (If
      (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS x] [ComSub (Com {[LIT_CHARS uname]})]} {[LIT_NEQUAL "!="]} {[LIT_CHARS x] [DQ [LIT_CHARS Linux]]} {[LIT_CHARS -o]} {[LIT_CHARS x] [DQ [VarSub TRAVIS]]} {[LIT_NEQUAL "!="]} {[LIT_CHARS x] [DQ ]} {[LIT_DBRACKET_LIKE "]"]}      )
      (Com {[LIT_CHARS sleep]} {[DQ [VarSub @]]}      )
    )
  )
  (Com {[LIT_CHARS touch]} {[LIT_CHARS xe.mk]} {[LIT_CHARS yc.mk]} {[LIT_CHARS xa.mk]} {[LIT_CHARS yb.mk]} {[LIT_CHARS xd.mk]}  )
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "include *.mk\n"][LIT_CHARS "all:\n"][LIT_CHARS "\techo foo\n"]]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS Makefile]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[VarSub mk]}
    <
    (FilenameRedirectNode filename={[VarSub log]} <REDIR_GREAT "2>"> 2),
    >
  )
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -e]} {[LIT_CHARS ninja.sh]} {[LIT_DBRACKET_LIKE "]"]}    )
    (Com {[LIT_CHARS ./ninja.sh]}    )
  )
  (Com {[VarSub mk]}
    <
    (FilenameRedirectNode filename={[VarSub log]} <REDIR_GREAT "2>"> 2),
    >
  )
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -e]} {[LIT_CHARS ninja.sh]} {[LIT_DBRACKET_LIKE "]"]}    )
    (List
      (If
        (Com {[LIT_CHARS grep]} {[LIT_CHARS regenerating]} {[VarSub log]}        )
        (Com {[LIT_CHARS echo]} {[SQ <LIT_CHARS "Should not be regenerated">]}        )
      )
      (Com {[LIT_CHARS ./ninja.sh]}      )
    )
  )
)