(command.CommandList
  children: [
    (command.Simple blame_tok:<set> more_env:[] words:[{<set>} {<-e>}] redirects:[] do_fork:T)
    (command.Simple
      blame_tok: <cd>
      more_env: []
      words: [
        {<cd>}
        {
          (DQ 
            (CommandSub
              left_token: <Id.Left_DollarParen '$('>
              child: 
                (command.Simple
                  blame_tok: <dirname>
                  more_env: []
                  words: [{<dirname>} {(DQ ($ Id.VSub_Number 0))}]
                  redirects: []
                  do_fork: T
                )
              right: <Id.Eof_RParen _>
            ) <'/..'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.AndOr
      children: [
        (command.Simple
          blame_tok: <Id.Lit_LBracket '['>
          more_env: []
          words: [
            {<Id.Lit_LBracket '['>}
            {<-z>}
            {(DQ ($ Id.VSub_DollarName DEBUG))}
            {<Id.Lit_RBracket ']'>}
          ]
          redirects: []
          do_fork: T
        )
        (command.Simple
          blame_tok: <set>
          more_env: []
          words: [{<set>} {<-x>}]
          redirects: []
          do_fork: T
        )
      ]
      ops: [<Id.Op_DPipe _>]
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'RACK_ROOT='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'RACK_ROOT='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'RACK_ROOT='> name:RACK_ROOT)
          op: assign_op.Equal
          rhs: 
            {
              (DQ 
                (CommandSub
                  left_token: <Id.Left_DollarParen '$('>
                  child: 
                    (command.AndOr
                      children: [
                        (command.Simple
                          blame_tok: <cd>
                          more_env: []
                          words: [
                            {<cd>}
                            {
                              (DQ 
                                (CommandSub
                                  left_token: <Id.Left_DollarParen '$('>
                                  child: 
                                    (command.Simple
                                      blame_tok: <dirname>
                                      more_env: []
                                      words: [{<dirname>} {(DQ ($ Id.VSub_Number 0))}]
                                      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.Simple
      blame_tok: <export>
      more_env: []
      words: [{<export>} {<RACK_ROOT>}]
      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.AndOr
                      children: [
                        (command.Simple
                          blame_tok: <Id.Lit_LBracket '['>
                          more_env: []
                          words: [
                            {<Id.Lit_LBracket '['>}
                            {(DQ ($ Id.VSub_DollarName RAILS_ENV))}
                            {<Id.Lit_Equals '='>}
                            {(DQ <test>)}
                            {<Id.Lit_RBracket ']'>}
                          ]
                          redirects: []
                          do_fork: T
                        )
                        (command.Simple
                          blame_tok: <Id.Lit_LBracket '['>
                          more_env: []
                          words: [
                            {<Id.Lit_LBracket '['>}
                            {(DQ ($ Id.VSub_DollarName RACK_ENV))}
                            {<Id.Lit_Equals '='>}
                            {(DQ <test>)}
                            {<Id.Lit_RBracket ']'>}
                          ]
                          redirects: []
                          do_fork: T
                        )
                      ]
                      ops: [<Id.Op_DPipe _>]
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <'script/setup'>
              more_env: []
              words: [{<'script/setup'>}]
              redirects: []
              do_fork: T
            )
          ]
          spids: [75 108]
        )
      ]
      else_kw: <Id.KW_Else else>
      else_action: [
        (command.Simple
          blame_tok: <export>
          more_env: []
          words: [
            {<export>}
            {<Id.Lit_VarLike 'RAILS_ENV='> (DQ <test>)}
            {<Id.Lit_VarLike 'RACK_ENV='> (DQ <test>)}
          ]
          redirects: []
          do_fork: T
        )
        (command.Simple
          blame_tok: <'script/update'>
          more_env: []
          words: [{<'script/update'>}]
          redirects: []
          do_fork: T
        )
      ]
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'==> Running tests…'>)}]
      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.Simple
                      blame_tok: <Id.Lit_LBracket '['>
                      more_env: []
                      words: [
                        {<Id.Lit_LBracket '['>}
                        {<-n>}
                        {(DQ ($ Id.VSub_Number 1))}
                        {<Id.Lit_RBracket ']'>}
                      ]
                      redirects: []
                      do_fork: T
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <'bin/rake'>
              more_env: []
              words: [{<'bin/rake'>} {<test>} {(DQ ($ Id.VSub_Number 1))}]
              redirects: []
              do_fork: T
            )
          ]
          spids: [174 187]
        )
      ]
      else_kw: <Id.KW_Else else>
      else_action: [
        (command.Simple
          blame_tok: <'bin/rake'>
          more_env: []
          words: [{<'bin/rake'>} {<test>}]
          redirects: []
          do_fork: T
        )
      ]
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
  ]
)