(command.CommandList
  children: [
    (C {(Id.KW_Set set)} {(-euo)} {(pipefail)})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:SCRIPT_DIR)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                (command_sub
                  left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:98)
                  command_list: 
                    (command.CommandList
                      children: [
                        (command.AndOr
                          ops: [Id.Op_DAmp]
                          children: [
                            (C {(cd)} 
                              {
                                (DQ 
                                  (command_sub
                                    left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:102)
                                    command_list: 
                                      (command.CommandList
                                        children: [
                                          (C {(dirname)} 
                                            {
                                              (DQ 
                                                (braced_var_sub
                                                  token: 
                                                    (Token
                                                      id: Id.VSub_Name
                                                      val: BASH_SOURCE
                                                      span_id: 107
                                                    )
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {(Id.Lit_Digits 0)}
                                                        )
                                                    )
                                                )
                                              )
                                            }
                                          )
                                        ]
                                      )
                                  )
                                )
                              }
                            )
                            (C {(pwd)})
                          ]
                        )
                      ]
                    )
                )
              )
            }
          spids: [96]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:METEOR_WAREHOUSE_DIR)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                (braced_var_sub
                  token: (Token id:Id.VSub_Name val:METEOR_WAREHOUSE_DIR span_id:126)
                  suffix_op: 
                    (suffix_op.Unary
                      op_id: Id.VTest_ColonHyphen
                      arg_word: {($ Id.VSub_DollarName '$HOME') (Id.Lit_Slash /) (.meteor)}
                    )
                )
              )
            }
          spids: [123]
        )
      ]
    )
    (command.Simple
      words: [{(echo)} {(-n)} {(DQ ('Finding meteor-tool installation (can take a few seconds)...'))}]
      redirects: [
        (redir.Redir op:(Token id:Id.Redir_GreatAnd val:'>&' span_id:143) fd:-1 arg_word:{(2)})
      ]
    )
    (C {(cd)} {(DQ ($ Id.VSub_DollarName '$SCRIPT_DIR') (/shell))})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:METEOR_RELEASE)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:162)
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Simple
                        redirects: [
                          (redir.Redir
                            op: (Token id:Id.Redir_Less val:'<' span_id:163)
                            fd: -1
                            arg_word: {(.meteor/release)}
                          )
                        ]
                      )
                    ]
                  )
              )
            }
          spids: [161]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$METEOR_RELEASE'))} 
                  {(Id.Lit_Equals '=')} {(DQ ('METEOR@1.0.2'))} {(Id.Lit_RBracket ']')}
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:183)
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:TOOL_VERSION)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:197)
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Pipeline
                                children: [
                                  (C {(meteor)} {(show)} {(DQ ($ Id.VSub_DollarName '$METEOR_RELEASE'))})
                                  (C {(grep)} {(-o)} 
                                    {
                                      (SQ 
                                        (Token
                                          id: Id.Lit_Chars
                                          val: 'meteor-tool@[0-9a-zA-Z_.-]*'
                                          span_id: 213
                                        )
                                      )
                                    }
                                  )
                                ]
                                negated: F
                              )
                            ]
                          )
                      )
                    }
                  spids: [196]
                )
              ]
            )
          ]
          spids: [168 185]
        )
      ]
      else_action: [
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:TOOL_VERSION)
              op: assign_op.Equal
              rhs: 
                {
                  (command_sub
                    left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:229)
                    command_list: 
                      (command.CommandList
                        children: [
                          (command.Pipeline
                            children: [
                              (C {(meteor)} {(show)} {(--ejson)} 
                                {($ Id.VSub_DollarName '$METEOR_RELEASE')}
                              )
                              (C {(grep)} {(SQ (Token id:Id.Lit_Chars val:'^ *"tool":' span_id:243))})
                              (C {(sed)} {(-re)} 
                                {
                                  (SQ 
                                    (Token
                                      id: Id.Lit_Chars
                                      val: 's/^.*"(meteor-tool@[^"]*)".*$/\\1/g'
                                      span_id: 254
                                    )
                                  )
                                }
                              )
                            ]
                            negated: F
                          )
                        ]
                      )
                  )
                }
              spids: [228]
            )
          ]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:TOOLDIR)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:262)
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Pipeline
                        children: [
                          (C {(echo)} {($ Id.VSub_DollarName '$TOOL_VERSION')})
                          (C {(tr)} {(Id.Lit_Other '@')} {(/)})
                        ]
                        negated: F
                      )
                    ]
                  )
              )
            }
          spids: [261]
        )
      ]
    )
    (command.Simple
      words: [{(echo)} {(DQ (' ') ($ Id.VSub_DollarName '$TOOL_VERSION'))}]
      redirects: [
        (redir.Redir op:(Token id:Id.Redir_GreatAnd val:'>&' span_id:284) fd:-1 arg_word:{(2)})
      ]
    )
    (C {(readlink)} {(-f)} 
      {($ Id.VSub_DollarName '$METEOR_WAREHOUSE_DIR') (/packages/) ($ Id.VSub_DollarName '$TOOLDIR') 
        (/mt-os.linux.x86_64/dev_bundle)
      }
    )
  ]
)