(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('xfail_list', {[DQ [ComSub (Com {[LIT_CHARS dirname]} {[DQ [VarSub 0]]})]] [LIT_CHARS /../xfail_list.txt]})])
  (If
    (DBracket {B2 BINARY_STRING_LESS {[VarSub #]} {[LIT_CHARS 1]}})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "usage: "][VarSub 0][LIT_CHARS " /full/path/to/test args"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 121]})
    )
  )
  (FunctionDef cleanup []
    (List
      (If
        (DBracket {B2 BINARY_STRING_NOT_EQUAL {[DQ [VarSub tpid]]} {[DQ [LIT_CHARS 0]]}})
        (Com {[LIT_CHARS kill]} {[DQ [VarSub tpid]]})
      )
      (If
        (DBracket {B2 BINARY_STRING_NOT_EQUAL {[DQ [VarSub wpid]]} {[DQ [LIT_CHARS 0]]}})
        (Com {[LIT_CHARS kill]} {[LIT_CHARS -INT]} {[DQ [VarSub wpid]]})
      )
    )
  )
  (FunctionDef interrupted []
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Interrupted: exiting"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (Com {[LIT_CHARS cleanup]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 122]})
    )
  )
  (Com {[LIT_CHARS trap]} {[LIT_CHARS interrupted]} {[LIT_CHARS SIGINT]})
  (FunctionDef timeout []
    (List
      (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]} {[DQ [LIT_CHARS " (TIMEOUT) FAIL"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('wpid', {[LIT_CHARS 0]})])
      (Com {[LIT_CHARS cleanup]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 123]})
    )
  )
  (Com {[LIT_CHARS trap]} {[LIT_CHARS timeout]} {[LIT_CHARS SIGUSR2]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tpid', {[LIT_CHARS 0]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('wpid', {[LIT_CHARS 0]})])
  (Fork
    (Com {[DQ [VarSub @]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tpid', {[VarSub !]})])
  (Fork
    (Subshell
      (List
        (Com {[LIT_CHARS sleep]} {[LIT_CHARS 15]})
        (Com {[LIT_CHARS kill]} {[LIT_CHARS -USR2]} {[VarSub $]}
          <
          (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
          >
        )
      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('wpid', {[VarSub !]})])
  (Com {[LIT_CHARS wait]} {[VarSub tpid]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tpid', {[LIT_CHARS 0]})])
  (Com {[LIT_CHARS cleanup]})
  (= scope=<EAssignScope.GLOBAL 1> flags=2 words=[] bindings=[('prog', {[DQ [VarSub 1]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=2 words=[] bindings=[('tst', {[VarSub prog transform_ops=[VS_UNARY_POUND {[VarSub prog transform_ops=[VS_UNARY_PERCENT {[LIT_SLASH /] [LIT_CHARS "*"] [LIT_SLASH /] [LIT_CHARS "*"]}]] [LIT_SLASH /]}]]})])
  (Com {[LIT_CHARS grep]} {[LIT_CHARS -x]} {[DQ [VarSub tst]]} {[DQ [VarSub xfail_list]]}
    <
    (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
    (DescriptorRedirectNode target={[LIT_CHARS 1]} <REDIR_GREATAND "2>&"> 2),
    >

    more_env=[('LANG', {[LIT_CHARS C]})]
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=2 words=[] bindings=[('must_pass', {[VarSub ?]})])
  (If
    (DBracket {B2 BINARY_STRING_EQUAL {[DQ [VarSub ret]]} {[DQ [LIT_CHARS 0]]}})
    (List
      (If
        (DBracket {B2 BINARY_STRING_NOT_EQUAL {[DQ [VarSub must_pass]]} {[DQ [LIT_CHARS 0]]}})
        (List
          (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]} {[LIT_CHARS PASS]}
            <
            (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
            >
          )
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
        )
      )
      (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]} {[LIT_CHARS XPASS]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 120]})
    )
    (DBracket {B2 BINARY_STRING_EQUAL {[DQ [VarSub ret]]} {[DQ [LIT_CHARS 115]]}})
    (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
    (ElseTrue)
    (List
      (If
        (DBracket {B2 BINARY_STRING_EQUAL {[DQ [VarSub must_pass]]} {[DQ [LIT_CHARS 0]]}})
        (List
          (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]} {[LIT_CHARS XFAIL]}
            <
            (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
            >
          )
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
        )
      )
      (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]} {[LIT_CHARS FAIL]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[VarSub ret]})
    )
  )
)