(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (FunctionDef cleanup []
    (Com {[LIT_CHARS rm]} {[LIT_CHARS -rf]} {[LIT_CHARS flannel] [LIT_OTHER "*"]} {[LIT_CHARS kubernetes] [LIT_OTHER "*"]} {[LIT_CHARS etcd] [LIT_OTHER "*"]} {[LIT_CHARS binaries]} {[LIT_CHARS out]}    )
  )
  (Com {[LIT_CHARS trap]} {[LIT_CHARS cleanup]} {[LIT_CHARS SIGHUP]} {[LIT_CHARS SIGINT]} {[LIT_CHARS SIGTERM]}  )
  (Com {[LIT_CHARS pushd]} {[ComSub (Com {[LIT_CHARS dirname]} {[VarSub 0]})]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS -p]} {[LIT_CHARS binaries/master]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS -p]} {[LIT_CHARS binaries/minion]}  )
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS -p]} {[LIT_CHARS out]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('FLANNEL_VERSION', {[VarSub FLANNEL_VERSION test_op=VS_TEST_COLON_HYPHEN {[DQ [LIT_CHARS 0.5.5]]}]})])
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Prepare flannel "][VarSub FLANNEL_VERSION][LIT_CHARS " release ..."]]}  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[DQ [LIT_CHARS "^"][VarSub FLANNEL_VERSION][\ LIT_ESCAPED_CHAR "\\$"]]} {[LIT_CHARS binaries/.flannel]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
      >
    )
    (List
      (AndOr OP_OR_IF
        (Subshell
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS curl]} {[LIT_CHARS --fail]} {[LIT_CHARS -L]} {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //github.com/coreos/flannel/releases/download/v] [VarSub FLANNEL_VERSION] [LIT_CHARS /flannel-] [VarSub FLANNEL_VERSION] [LIT_CHARS -linux-amd64.tar.gz]} {[LIT_CHARS -o]} {[LIT_CHARS flannel.tar.gz]}            )
            (Com {[LIT_CHARS tar]} {[LIT_CHARS xzf]} {[LIT_CHARS flannel.tar.gz]} {[LIT_CHARS flannel-] [VarSub FLANNEL_VERSION] [LIT_CHARS /flanneld]} {[LIT_CHARS -O]}
              <
              (FilenameRedirectNode filename={[LIT_CHARS out/flanneld]} <REDIR_GREAT ">"> 1),
              >
            )
          )
        )
        (Subshell
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS curl]} {[LIT_CHARS --fail]} {[LIT_CHARS -L]} {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //github.com/coreos/flannel/releases/download/v] [VarSub FLANNEL_VERSION] [LIT_CHARS /flannel-v] [VarSub FLANNEL_VERSION] [LIT_CHARS -linux-amd64.tar.gz]} {[LIT_CHARS -o]} {[LIT_CHARS flannel.tar.gz]}            )
            (Com {[LIT_CHARS tar]} {[LIT_CHARS xzf]} {[LIT_CHARS flannel.tar.gz]} {[LIT_CHARS flanneld]} {[LIT_CHARS -O]}
              <
              (FilenameRedirectNode filename={[LIT_CHARS out/flanneld]} <REDIR_GREAT ">"> 1),
              >
            )
          )
        )
      )
      (Com {[LIT_CHARS chmod]} {[LIT_CHARS 0755]} {[LIT_CHARS out/flanneld]}      )
      (Com {[LIT_CHARS cp]} {[LIT_CHARS out/flanneld]} {[LIT_CHARS binaries/master]}      )
      (Com {[LIT_CHARS cp]} {[LIT_CHARS out/flanneld]} {[LIT_CHARS binaries/minion]}      )
      (Com {[LIT_CHARS echo]} {[VarSub FLANNEL_VERSION]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS binaries/.flannel]} <REDIR_GREAT ">"> 1),
        >
      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ETCD_VERSION', {[VarSub ETCD_VERSION test_op=VS_TEST_COLON_HYPHEN {[DQ [LIT_CHARS 2.3.1]]}]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ETCD', {[DQ [LIT_CHARS etcd-v][VarSub ETCD_VERSION][LIT_CHARS -linux-amd64]]})])
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Prepare etcd "][VarSub ETCD_VERSION][LIT_CHARS " release ..."]]}  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[DQ [LIT_CHARS "^"][VarSub ETCD_VERSION][\ LIT_ESCAPED_CHAR "\\$"]]} {[LIT_CHARS binaries/.etcd]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
      >
    )
    (List
      (Com {[LIT_CHARS curl]} {[LIT_CHARS -L]} {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //github.com/coreos/etcd/releases/download/v] [VarSub ETCD_VERSION] [LIT_CHARS /] [VarSub ETCD] [LIT_CHARS .tar.gz]} {[LIT_CHARS -o]} {[LIT_CHARS etcd.tar.gz]}      )
      (Com {[LIT_CHARS tar]} {[LIT_CHARS xzf]} {[LIT_CHARS etcd.tar.gz]}      )
      (Com {[LIT_CHARS cp]} {[VarSub ETCD] [LIT_CHARS /etcd]} {[VarSub ETCD] [LIT_CHARS /etcdctl]} {[LIT_CHARS binaries/master]}      )
      (Com {[LIT_CHARS echo]} {[VarSub ETCD_VERSION]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS binaries/.etcd]} <REDIR_GREAT ">"> 1),
        >
      )
    )
  )
  (FunctionDef get_latest_version_number []
    (List
      (= scope=<EAssignScope.LOCAL 0> flags=0 words=[{[LIT_CHARS -r]}] bindings=[('latest_url', {[DQ [LIT_CHARS "https://storage.googleapis.com/kubernetes-release/release/stable.txt"]]})])
      (If
        (DBracket {B1 UNARY_STRING_n {[ComSub (Com {[LIT_CHARS which]} {[LIT_CHARS wget]})]}})
        (Com {[LIT_CHARS wget]} {[LIT_CHARS -qO-]} {[VarSub latest_url]}        )
        (DBracket {B1 UNARY_STRING_n {[ComSub (Com {[LIT_CHARS which]} {[LIT_CHARS curl]})]}})
        (Com {[LIT_CHARS curl]} {[LIT_CHARS -Ss]} {[VarSub latest_url]}        )
        (ElseTrue)
        (List
          (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Couldn't find curl or wget.  Bailing out."]]}
            <
            (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
            >
          )
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 4]}          )
        )
      )
    )
  )
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -z]} {[DQ [VarSub KUBE_VERSION]]} {[LIT_DBRACKET_LIKE "]"]}    )
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('KUBE_VERSION', {[ComSub (Pipeline (Com {[LIT_CHARS get_latest_version_number]}) (Com {[LIT_CHARS sed]} {[SQ <LIT_CHARS "s/^v//">]}) )]})])
  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Prepare kubernetes "][VarSub KUBE_VERSION][LIT_CHARS " release ..."]]}  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[DQ [LIT_CHARS "^"][VarSub KUBE_VERSION][\ LIT_ESCAPED_CHAR "\\$"]]} {[LIT_CHARS binaries/.kubernetes]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
      >
    )
    (List
      (Com {[LIT_CHARS curl]} {[LIT_CHARS -L]} {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //storage.googleapis.com/kubernetes-release/release/v] [VarSub KUBE_VERSION] [LIT_CHARS /kubernetes-client-linux-amd64.tar.gz]} {[LIT_CHARS -o]} {[LIT_CHARS kubernetes-client-linux-amd64.tar.gz]}      )
      (Com {[LIT_CHARS curl]} {[LIT_CHARS -L]} {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //storage.googleapis.com/kubernetes-release/release/v] [VarSub KUBE_VERSION] [LIT_CHARS /kubernetes-server-linux-amd64.tar.gz]} {[LIT_CHARS -o]} {[LIT_CHARS kubernetes-server-linux-amd64.tar.gz]}      )
      (Com {[LIT_CHARS tar]} {[LIT_CHARS xzf]} {[LIT_CHARS kubernetes-client-linux-amd64.tar.gz]}      )
      (Com {[LIT_CHARS tar]} {[LIT_CHARS xzf]} {[LIT_CHARS kubernetes-server-linux-amd64.tar.gz]}      )
      (Com {[LIT_CHARS cp]} {[LIT_CHARS kubernetes/client/bin/kubectl]} {[LIT_CHARS binaries/]}      )
      (Com {[LIT_CHARS cp]} {[LIT_CHARS kubernetes/server/bin/kube-apiserver]} {[LIT_CHARS kubernetes/server/bin/kube-controller-manager]} {[LIT_CHARS kubernetes/server/bin/kube-scheduler]} {[LIT_CHARS binaries/master]}      )
      (Com {[LIT_CHARS cp]} {[LIT_CHARS kubernetes/server/bin/kubelet]} {[LIT_CHARS kubernetes/server/bin/kube-proxy]} {[LIT_CHARS binaries/minion]}      )
      (Com {[LIT_CHARS echo]} {[VarSub KUBE_VERSION]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS binaries/.kubernetes]} <REDIR_GREAT ">"> 1),
        >
      )
    )
  )
  (Com {[LIT_CHARS rm]} {[LIT_CHARS -rf]} {[LIT_CHARS flannel] [LIT_OTHER "*"]} {[LIT_CHARS kubernetes] [LIT_OTHER "*"]} {[LIT_CHARS etcd] [LIT_OTHER "*"]} {[LIT_CHARS out]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Done! All your binaries locate in kubernetes/cluster/ubuntu/binaries directory"]]}  )
  (Com {[LIT_CHARS popd]}  )
)