(command.CommandList
  children: [
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<errexit>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<nounset>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<pipefail>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'KUBE_ROOT='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'KUBE_ROOT='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'KUBE_ROOT='> name:KUBE_ROOT)
          op: assign_op.Equal
          rhs: 
            {
              (CommandSub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.AndOr
                    children: [
                      (command.Simple
                        blame_tok: <cd>
                        more_env: []
                        words: [
                          {<cd>}
                          {
                            (CommandSub
                              left_token: <Id.Left_DollarParen '$('>
                              child: 
                                (command.Simple
                                  blame_tok: <dirname>
                                  more_env: []
                                  words: [{<dirname>} {(DQ (${ Id.VSub_Name BASH_SOURCE))}]
                                  redirects: []
                                  do_fork: T
                                )
                              right: <Id.Eof_RParen _>
                            ) <'/..'>
                          }
                        ]
                        redirects: []
                        do_fork: T
                      )
                      (command.Simple
                        blame_tok: <pwd>
                        more_env: []
                        words: [{<pwd>}]
                        redirects: []
                        do_fork: T
                      )
                    ]
                    ops: [<Id.Op_DAmp _>]
                  )
                right: <Id.Eof_RParen _>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'KUBERNETES_RELEASE_URL='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'KUBERNETES_RELEASE_URL='>
          lhs: 
            (sh_lhs_expr.Name
              left: <Id.Lit_VarLike 'KUBERNETES_RELEASE_URL='>
              name: KUBERNETES_RELEASE_URL
            )
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                (BracedVarSub
                  left: <Id.Left_DollarBrace '${'>
                  token: <Id.VSub_Name KUBERNETES_RELEASE_URL>
                  var_name: KUBERNETES_RELEASE_URL
                  suffix_op: 
                    (suffix_op.Unary
                      op: <Id.VTest_ColonHyphen _>
                      arg_word: {<'https:'> <Id.Lit_Slash '/'> <Id.Lit_Slash '/'> <dl.k8s.io>}
                    )
                  right: <Id.Right_DollarBrace '}'>
                )
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <detect_kube_release>
      name: detect_kube_release
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              left: <Id.KW_DLeftBracket '[['>
                              expr: 
                                (bool_expr.Unary
                                  op_id: Id.BoolUnary_n
                                  child: 
                                    {
                                      (DQ 
                                        (BracedVarSub
                                          left: <Id.Left_DollarBrace '${'>
                                          token: <Id.VSub_Name KUBE_VERSION>
                                          var_name: KUBE_VERSION
                                          suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:(rhs_word__Empty))
                                          right: <Id.Right_DollarBrace '}'>
                                        )
                                      )
                                    }
                                )
                              right: <Id.Lit_DRightBracket ']]'>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<0>})]
                  spids: [167 183]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              left: <Id.KW_DLeftBracket '[['>
                              expr: 
                                (bool_expr.LogicalNot
                                  child: 
                                    (bool_expr.Unary
                                      op_id: Id.BoolUnary_e
                                      child: {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/version'>)}
                                    )
                                )
                              right: <Id.Lit_DRightBracket ']]'>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'Can\'t determine Kubernetes release.'>)}]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {
                          (DQ (${ Id.VSub_Name BASH_SOURCE) 
                            <' should only be run from a prebuilt Kubernetes release.'>
                          )
                        }
                      ]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'Did you mean to use get-kube.sh instead?'>)}]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Exit exit>
                      arg_word: {<1>}
                    )
                  ]
                  spids: [198 216]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'KUBE_VERSION='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'KUBE_VERSION='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'KUBE_VERSION='> name:KUBE_VERSION)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (CommandSub
                        left_token: <Id.Left_DollarParen '$('>
                        child: 
                          (command.Simple
                            blame_tok: <cat>
                            more_env: []
                            words: [{<cat>} {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/version'>)}]
                            redirects: []
                            do_fork: T
                          )
                        right: <Id.Eof_RParen _>
                      )
                    }
                )
              ]
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <detect_client_info>
      name: detect_client_info
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'kernel='> 
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <uname>
                        more_env: []
                        words: [{<uname>} {<-s>}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{(DQ (${ Id.VSub_Name kernel))})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <Darwin>
                  pattern: (pat.Words words:[{<Darwin>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_PLATFORM='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_PLATFORM='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_PLATFORM='>
                              name: CLIENT_PLATFORM
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <darwin>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Linux>
                  pattern: (pat.Words words:[{<Linux>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_PLATFORM='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_PLATFORM='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_PLATFORM='>
                              name: CLIENT_PLATFORM
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <linux>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {(DQ <'Unknown, unsupported platform: '> (${ Id.VSub_Name kernel) <.>)}
                      ]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'Supported platforms: Linux, Darwin.'>)}]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'Bailing out.'>)}]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Exit exit>
                      arg_word: {<2>}
                    )
                  ]
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'machine='> 
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <uname>
                        more_env: []
                        words: [{<uname>} {<-m>}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{(DQ (${ Id.VSub_Name machine))})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <x86_64>
                  pattern: 
                    (pat.Words
                      words: [
                        {<x86_64> <Id.Lit_Star '*'>}
                        {<i> <Id.Lit_QMark '?'> <86_64> <Id.Lit_Star '*'>}
                        {<amd64> <Id.Lit_Star '*'>}
                      ]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                              name: CLIENT_ARCH
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <amd64>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <aarch64>
                  pattern: 
                    (pat.Words
                      words: [{<aarch64> <Id.Lit_Star '*'>} {<arm64> <Id.Lit_Star '*'>}]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                              name: CLIENT_ARCH
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <arm64>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <arm>
                  pattern: (pat.Words words:[{<arm> <Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                              name: CLIENT_ARCH
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <arm>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <i>
                  pattern: (pat.Words words:[{<i> <Id.Lit_QMark '?'> <86> <Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                              name: CLIENT_ARCH
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <386>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <s390x>
                  pattern: (pat.Words words:[{<s390x> <Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'CLIENT_ARCH='>
                              name: CLIENT_ARCH
                            )
                          op: assign_op.Equal
                          rhs: {(DQ <s390x>)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {
                          (DQ <'Unknown, unsupported architecture ('> (${ Id.VSub_Name machine) <').'>)
                        }
                      ]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {(DQ <'Supported architectures x86_64, i686, arm, arm64, s390x.'>)}
                      ]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'Bailing out.'>)}]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Exit exit>
                      arg_word: {<3>}
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <md5sum_file>
      name: md5sum_file
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              blame_tok: <which>
                              more_env: []
                              words: [{<which>} {<md5>}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '>'>
                                  loc: (redir_loc.Fd fd:1)
                                  arg: {<'/dev/null'>}
                                )
                                (Redir
                                  op: <Id.Redir_GreatAnd '2>&'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<1>}
                                )
                              ]
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <md5>
                      more_env: []
                      words: [{<md5>} {<-q>} {(DQ ($ Id.VSub_Number 1))}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  spids: [552 565]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [
                (command.Pipeline
                  children: [
                    (command.Simple
                      blame_tok: <md5sum>
                      more_env: []
                      words: [{<md5sum>} {(DQ ($ Id.VSub_Number 1))}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <awk>
                      more_env: []
                      words: [{<awk>} {(SQ <'{ print $1 }'>)}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  ops: [<Id.Op_Pipe _>]
                )
              ]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <sha1sum_file>
      name: sha1sum_file
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              blame_tok: <which>
                              more_env: []
                              words: [{<which>} {<sha1sum>}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '>'>
                                  loc: (redir_loc.Fd fd:1)
                                  arg: {<'/dev/null'>}
                                )
                                (Redir
                                  op: <Id.Redir_GreatAnd '2>&'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<1>}
                                )
                              ]
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Pipeline
                      children: [
                        (command.Simple
                          blame_tok: <sha1sum>
                          more_env: []
                          words: [{<sha1sum>} {(DQ ($ Id.VSub_Number 1))}]
                          redirects: []
                          do_fork: T
                        )
                        (command.Simple
                          blame_tok: <awk>
                          more_env: []
                          words: [{<awk>} {(SQ <'{ print $1 }'>)}]
                          redirects: []
                          do_fork: T
                        )
                      ]
                      ops: [<Id.Op_Pipe _>]
                    )
                  ]
                  spids: [609 622]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [
                (command.Pipeline
                  children: [
                    (command.Simple
                      blame_tok: <shasum>
                      more_env: []
                      words: [{<shasum>} {<-a1>} {(DQ ($ Id.VSub_Number 1))}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <awk>
                      more_env: []
                      words: [{<awk>} {(SQ <'{ print $1 }'>)}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  ops: [<Id.Op_Pipe _>]
                )
              ]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <download_tarball>
      name: download_tarball
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<-r>} {<Id.Lit_VarLike 'download_path='> (DQ ($ Id.VSub_Number 1))}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<-r>} {<Id.Lit_VarLike 'file='> (DQ ($ Id.VSub_Number 2))}]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'url='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'url='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'url='> name:url)
                  op: assign_op.Equal
                  rhs: {(DQ (${ Id.VSub_Name DOWNLOAD_URL_PREFIX) <'/'> (${ Id.VSub_Name file))}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <mkdir>
              more_env: []
              words: [{<mkdir>} {<-p>} {(DQ (${ Id.VSub_Name download_path))}]
              redirects: []
              do_fork: T
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              left: <Id.KW_DLeftBracket '[['>
                              expr: 
                                (bool_expr.WordTest
                                  w: 
                                    {
                                      (CommandSub
                                        left_token: <Id.Left_DollarParen '$('>
                                        child: 
                                          (command.Simple
                                            blame_tok: <which>
                                            more_env: []
                                            words: [{<which>} {<curl>}]
                                            redirects: []
                                            do_fork: T
                                          )
                                        right: <Id.Eof_RParen _>
                                      )
                                    }
                                )
                              right: <Id.Lit_DRightBracket ']]'>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <curl>
                      more_env: []
                      words: [
                        {<curl>}
                        {<-fL>}
                        {<--retry>}
                        {<3>}
                        {<--keepalive-time>}
                        {<2>}
                        {(DQ (${ Id.VSub_Name url))}
                        {<-o>}
                        {(DQ (${ Id.VSub_Name download_path) <'/'> (${ Id.VSub_Name file))}
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  spids: [717 730]
                )
                (IfArm
                  keyword: <Id.KW_Elif elif>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              left: <Id.KW_DLeftBracket '[['>
                              expr: 
                                (bool_expr.WordTest
                                  w: 
                                    {
                                      (CommandSub
                                        left_token: <Id.Left_DollarParen '$('>
                                        child: 
                                          (command.Simple
                                            blame_tok: <which>
                                            more_env: []
                                            words: [{<which>} {<wget>}]
                                            redirects: []
                                            do_fork: T
                                          )
                                        right: <Id.Eof_RParen _>
                                      )
                                    }
                                )
                              right: <Id.Lit_DRightBracket ']]'>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <wget>
                      more_env: []
                      words: [
                        {<wget>}
                        {(DQ (${ Id.VSub_Name url))}
                        {<-O>}
                        {(DQ (${ Id.VSub_Name download_path) <'/'> (${ Id.VSub_Name file))}
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  spids: [764 777]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [
                (command.Simple
                  blame_tok: <echo>
                  more_env: []
                  words: [{<echo>} {(DQ <'Couldn\'t find curl or wget.  Bailing out.'>)}]
                  redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                  do_fork: T
                )
                (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<4>})
              ]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'md5sum='> 
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <md5sum_file>
                        more_env: []
                        words: [
                          {<md5sum_file>}
                          {(DQ (${ Id.VSub_Name download_path) <'/'> (${ Id.VSub_Name file))}
                        ]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ <'md5sum('> (${ Id.VSub_Name file) <')='> (${ Id.VSub_Name md5sum))}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [
                {<local>}
                {<Id.Lit_VarLike 'sha1sum='> 
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <sha1sum_file>
                        more_env: []
                        words: [
                          {<sha1sum_file>}
                          {(DQ (${ Id.VSub_Name download_path) <'/'> (${ Id.VSub_Name file))}
                        ]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {(DQ <'sha1sum('> (${ Id.VSub_Name file) <')='> (${ Id.VSub_Name sha1sum))}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <extract_arch_tarball>
      name: extract_arch_tarball
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<-r>} {<Id.Lit_VarLike 'tarfile='> (DQ ($ Id.VSub_Number 1))}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<-r>} {<Id.Lit_VarLike 'platform='> (DQ ($ Id.VSub_Number 2))}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<-r>} {<Id.Lit_VarLike 'arch='> (DQ ($ Id.VSub_Number 3))}]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'platforms_dir='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'platforms_dir='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'platforms_dir='> name:platforms_dir)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ (${ Id.VSub_Name KUBE_ROOT) <'/platforms/'> (${ Id.VSub_Name platform) <'/'> 
                        (${ Id.VSub_Name arch)
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Extracting '> (${ Id.VSub_Name tarfile) <' into '> 
                    (${ Id.VSub_Name platforms_dir)
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <mkdir>
              more_env: []
              words: [{<mkdir>} {<-p>} {(DQ (${ Id.VSub_Name platforms_dir))}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <tar>
              more_env: []
              words: [
                {<tar>}
                {<-xzf>}
                {(DQ (${ Id.VSub_Name tarfile))}
                {<--strip-components>}
                {<3>}
                {<-C>}
                {(DQ (${ Id.VSub_Name platforms_dir))}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <ln>
              more_env: []
              words: [
                {<ln>}
                {<-sf>}
                {(DQ (${ Id.VSub_Name platforms_dir))}
                {
                  (DQ 
                    (CommandSub
                      left_token: <Id.Left_DollarParen '$('>
                      child: 
                        (command.Simple
                          blame_tok: <dirname>
                          more_env: []
                          words: [{<dirname>} {(${ Id.VSub_Name tarfile)}]
                          redirects: []
                          do_fork: T
                        )
                      right: <Id.Eof_RParen _>
                    ) <'/bin'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Add \''> 
                    (CommandSub
                      left_token: <Id.Left_DollarParen '$('>
                      child: 
                        (command.Simple
                          blame_tok: <dirname>
                          more_env: []
                          words: [{<dirname>} {(${ Id.VSub_Name tarfile)}]
                          redirects: []
                          do_fork: T
                        )
                      right: <Id.Eof_RParen _>
                    ) <'/bin\' to your PATH to use newly-installed binaries.'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.Simple
      blame_tok: <detect_kube_release>
      more_env: []
      words: [{<detect_kube_release>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DOWNLOAD_URL_PREFIX='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DOWNLOAD_URL_PREFIX='>
          lhs: 
            (sh_lhs_expr.Name
              left: <Id.Lit_VarLike 'DOWNLOAD_URL_PREFIX='>
              name: DOWNLOAD_URL_PREFIX
            )
          op: assign_op.Equal
          rhs: {(DQ (${ Id.VSub_Name KUBERNETES_RELEASE_URL) <'/'> (${ Id.VSub_Name KUBE_VERSION))}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'SERVER_PLATFORM='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'SERVER_PLATFORM='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SERVER_PLATFORM='> name:SERVER_PLATFORM)
          op: assign_op.Equal
          rhs: {(DQ <linux>)}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'SERVER_ARCH='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'SERVER_ARCH='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SERVER_ARCH='> name:SERVER_ARCH)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                (BracedVarSub
                  left: <Id.Left_DollarBrace '${'>
                  token: <Id.VSub_Name KUBERNETES_SERVER_ARCH>
                  var_name: KUBERNETES_SERVER_ARCH
                  suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{<amd64>})
                  right: <Id.Right_DollarBrace '}'>
                )
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'SERVER_TAR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'SERVER_TAR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SERVER_TAR='> name:SERVER_TAR)
          op: assign_op.Equal
          rhs: 
            {
              (DQ <kubernetes-server-> (${ Id.VSub_Name SERVER_PLATFORM) <-> 
                (${ Id.VSub_Name SERVER_ARCH) <.tar.gz>
              )
            }
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <detect_client_info>
      more_env: []
      words: [{<detect_client_info>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'CLIENT_TAR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'CLIENT_TAR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'CLIENT_TAR='> name:CLIENT_TAR)
          op: assign_op.Equal
          rhs: 
            {
              (DQ <kubernetes-client-> (${ Id.VSub_Name CLIENT_PLATFORM) <-> 
                (${ Id.VSub_Name CLIENT_ARCH) <.tar.gz>
              )
            }
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'Kubernetes release: '> (${ Id.VSub_Name KUBE_VERSION))}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [
        {<echo>}
        {
          (DQ <'Server: '> (${ Id.VSub_Name SERVER_PLATFORM) <'/'> (${ Id.VSub_Name SERVER_ARCH) 
            <'  (to override, set KUBERNETES_SERVER_ARCH)'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [
        {<echo>}
        {
          (DQ <'Client: '> (${ Id.VSub_Name CLIENT_PLATFORM) <'/'> (${ Id.VSub_Name CLIENT_ARCH) 
            <'  (autodetected)'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple blame_tok:<echo> more_env:[] words:[{<echo>}] redirects:[] do_fork:T)
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DOWNLOAD_SERVER_TAR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DOWNLOAD_SERVER_TAR='>
          lhs: 
            (sh_lhs_expr.Name
              left: <Id.Lit_VarLike 'DOWNLOAD_SERVER_TAR='>
              name: DOWNLOAD_SERVER_TAR
            )
          op: assign_op.Equal
          rhs: {<false>}
        )
      ]
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.DBracket
                      left: <Id.KW_DLeftBracket '[['>
                      expr: 
                        (bool_expr.LogicalNot
                          child: 
                            (bool_expr.Unary
                              op_id: Id.BoolUnary_e
                              child: 
                                {
                                  (DQ (${ Id.VSub_Name KUBE_ROOT) <'/server/'> 
                                    (${ Id.VSub_Name SERVER_TAR)
                                  )
                                }
                            )
                        )
                      right: <Id.Lit_DRightBracket ']]'>
                      redirects: []
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'DOWNLOAD_SERVER_TAR='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'DOWNLOAD_SERVER_TAR='>
                  lhs: 
                    (sh_lhs_expr.Name
                      left: <Id.Lit_VarLike 'DOWNLOAD_SERVER_TAR='>
                      name: DOWNLOAD_SERVER_TAR
                    )
                  op: assign_op.Equal
                  rhs: {<true>}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Will download '> (${ Id.VSub_Name SERVER_TAR) <' from '> 
                    (${ Id.VSub_Name DOWNLOAD_URL_PREFIX)
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [1156 1177]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DOWNLOAD_CLIENT_TAR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DOWNLOAD_CLIENT_TAR='>
          lhs: 
            (sh_lhs_expr.Name
              left: <Id.Lit_VarLike 'DOWNLOAD_CLIENT_TAR='>
              name: DOWNLOAD_CLIENT_TAR
            )
          op: assign_op.Equal
          rhs: {<false>}
        )
      ]
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.DBracket
                      left: <Id.KW_DLeftBracket '[['>
                      expr: 
                        (bool_expr.LogicalNot
                          child: 
                            (bool_expr.Unary
                              op_id: Id.BoolUnary_x
                              child: 
                                {
                                  (DQ (${ Id.VSub_Name KUBE_ROOT) <'/platforms/'> 
                                    (${ Id.VSub_Name CLIENT_PLATFORM) <'/'> (${ Id.VSub_Name CLIENT_ARCH) <'/kubectl'>
                                  )
                                }
                            )
                        )
                      right: <Id.Lit_DRightBracket ']]'>
                      redirects: []
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'DOWNLOAD_CLIENT_TAR='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'DOWNLOAD_CLIENT_TAR='>
                  lhs: 
                    (sh_lhs_expr.Name
                      left: <Id.Lit_VarLike 'DOWNLOAD_CLIENT_TAR='>
                      name: DOWNLOAD_CLIENT_TAR
                    )
                  op: assign_op.Equal
                  rhs: {<true>}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Will download and extract '> (${ Id.VSub_Name CLIENT_TAR) <' from '> 
                    (${ Id.VSub_Name DOWNLOAD_URL_PREFIX)
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [1209 1235]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'TESTS_TAR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'TESTS_TAR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'TESTS_TAR='> name:TESTS_TAR)
          op: assign_op.Equal
          rhs: {(DQ <kubernetes-test.tar.gz>)}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DOWNLOAD_TESTS_TAR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DOWNLOAD_TESTS_TAR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'DOWNLOAD_TESTS_TAR='> name:DOWNLOAD_TESTS_TAR)
          op: assign_op.Equal
          rhs: {<false>}
        )
      ]
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.DBracket
                      left: <Id.KW_DLeftBracket '[['>
                      expr: 
                        (bool_expr.Unary
                          op_id: Id.BoolUnary_n
                          child: 
                            {
                              (DQ 
                                (BracedVarSub
                                  left: <Id.Left_DollarBrace '${'>
                                  token: <Id.VSub_Name KUBERNETES_DOWNLOAD_TESTS>
                                  var_name: KUBERNETES_DOWNLOAD_TESTS
                                  suffix_op: (suffix_op.Unary op:<Id.VTest_Hyphen _> arg_word:(rhs_word__Empty))
                                  right: <Id.Right_DollarBrace '}'>
                                )
                              )
                            }
                        )
                      right: <Id.Lit_DRightBracket ']]'>
                      redirects: []
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'DOWNLOAD_TESTS_TAR='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'DOWNLOAD_TESTS_TAR='>
                  lhs: 
                    (sh_lhs_expr.Name
                      left: <Id.Lit_VarLike 'DOWNLOAD_TESTS_TAR='>
                      name: DOWNLOAD_TESTS_TAR
                    )
                  op: assign_op.Equal
                  rhs: {<true>}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Will download and extract '> (${ Id.VSub_Name TESTS_TAR) <' from '> 
                    (${ Id.VSub_Name DOWNLOAD_URL_PREFIX)
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [1266 1282]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.DBracket
                      left: <Id.KW_DLeftBracket '[['>
                      expr: 
                        (bool_expr.LogicalAnd
                          left: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ (${ Id.VSub_Name DOWNLOAD_CLIENT_TAR))}
                              right: {<false>}
                            )
                          right: 
                            (bool_expr.LogicalAnd
                              left: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_GlobDEqual
                                  left: {(DQ (${ Id.VSub_Name DOWNLOAD_SERVER_TAR))}
                                  right: {<false>}
                                )
                              right: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_GlobDEqual
                                  left: {(DQ (${ Id.VSub_Name DOWNLOAD_TESTS_TAR))}
                                  right: {<false>}
                                )
                            )
                        )
                      right: <Id.Lit_DRightBracket ']]'>
                      redirects: []
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ <'Nothing additional to download.'>)}]
              redirects: []
              do_fork: T
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<0>})
          ]
          spids: [1305 1350]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.DBracket
                      left: <Id.KW_DLeftBracket '[['>
                      expr: 
                        (bool_expr.Unary
                          op_id: Id.BoolUnary_z
                          child: 
                            {
                              (DQ 
                                (BracedVarSub
                                  left: <Id.Left_DollarBrace '${'>
                                  token: <Id.VSub_Name KUBERNETES_SKIP_CONFIRM>
                                  var_name: KUBERNETES_SKIP_CONFIRM
                                  suffix_op: (suffix_op.Unary op:<Id.VTest_Hyphen _> arg_word:(rhs_word__Empty))
                                  right: <Id.Right_DollarBrace '}'>
                                )
                              )
                            }
                        )
                      right: <Id.Lit_DRightBracket ']]'>
                      redirects: []
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ <'Is this ok? [Y]/n'>)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <read>
              more_env: []
              words: [{<read>} {<confirm>}]
              redirects: []
              do_fork: T
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              left: <Id.KW_DLeftBracket '[['>
                              expr: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_EqualTilde
                                  left: {(DQ (${ Id.VSub_Name confirm))}
                                  right: 
                                    {<Id.Lit_Other '^'> <Id.Lit_Other '['> <nN> <Id.Lit_Other ']'> 
                                      <Id.Lit_Other '$'>
                                    }
                                )
                              right: <Id.Lit_DRightBracket ']]'>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <Aborting.>)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Exit exit>
                      arg_word: {<1>}
                    )
                  ]
                  spids: [1398 1419]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          spids: [1367 1383]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: <Id.Left_DoubleQuote '"'>
                      more_env: []
                      words: [{(DQ (${ Id.VSub_Name DOWNLOAD_SERVER_TAR))}]
                      redirects: []
                      do_fork: T
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <download_tarball>
              more_env: []
              words: [
                {<download_tarball>}
                {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/server'>)}
                {(DQ (${ Id.VSub_Name SERVER_TAR))}
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [1439 1448]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: <Id.Left_DoubleQuote '"'>
                      more_env: []
                      words: [{(DQ (${ Id.VSub_Name DOWNLOAD_CLIENT_TAR))}]
                      redirects: []
                      do_fork: T
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <download_tarball>
              more_env: []
              words: [
                {<download_tarball>}
                {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/client'>)}
                {(DQ (${ Id.VSub_Name CLIENT_TAR))}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <extract_arch_tarball>
              more_env: []
              words: [
                {<extract_arch_tarball>}
                {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/client/'> (${ Id.VSub_Name CLIENT_TAR))}
                {(DQ (${ Id.VSub_Name CLIENT_PLATFORM))}
                {(DQ (${ Id.VSub_Name CLIENT_ARCH))}
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [1469 1478]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: <Id.Left_DoubleQuote '"'>
                      more_env: []
                      words: [{(DQ (${ Id.VSub_Name DOWNLOAD_TESTS_TAR))}]
                      redirects: []
                      do_fork: T
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <download_tarball>
              more_env: []
              words: [
                {<download_tarball>}
                {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/test'>)}
                {(DQ (${ Id.VSub_Name TESTS_TAR))}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Extracting '> (${ Id.VSub_Name TESTS_TAR) <' into '> (${ Id.VSub_Name KUBE_ROOT))
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <tar>
              more_env: []
              words: [
                {<tar>}
                {<-xzf>}
                {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/test/'> (${ Id.VSub_Name TESTS_TAR))}
                {<--strip-components>}
                {<1>}
                {<-C>}
                {(DQ (${ Id.VSub_Name KUBE_ROOT))}
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [1524 1533]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
  ]
)