(CommandList
  children: [
    (C {(cd)} {(/apache-arrow/arrow/site)})
    (C {(export)} 
      {(Lit_VarLike 'GEM_HOME=') 
        (CommandSubPart
          command_list: (CommandList children:[(C {(pwd)})])
          left_token: <Left_CommandSub '$('>
          spids: [58 60]
        )
      }
    )
    (C {(export)} 
      {(Lit_VarLike 'BUNDLE_PATH=') 
        (CommandSubPart
          command_list: (CommandList children:[(C {(pwd)})])
          left_token: <Left_CommandSub '$('>
          spids: [65 67]
        )
      }
    )
    (C {(export)} 
      {(Lit_VarLike 'HOME=') 
        (CommandSubPart
          command_list: (CommandList children:[(C {(pwd)})])
          left_token: <Left_CommandSub '$('>
          spids: [72 74]
        )
      }
    )
    (C {(bundle)} {(install)} {(--path)} {(.)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:HOST_IP)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [
                      (Pipeline
                        children: [
                          (C {(grep)} 
                            {
                              (CommandSubPart
                                command_list: (CommandList children:[(C {(hostname)})])
                                left_token: <Left_CommandSub '$('>
                                spids: [88 90]
                              )
                            } {(/etc/hosts)}
                          )
                          (C {(cut)} {(-f)} {(1)})
                        ]
                        negated: False
                      )
                    ]
                  )
                left_token: <Left_CommandSub '$('>
                spids: [85 101]
              )
            }
          spids: [84]
        )
      ]
      spids: [84]
    )
    (C {(bundle)} {(exec)} {(jekyll)} {(serve)} {(-c)} {(_config.yml)} {(-s)} {(asf-site)} {(--host)} 
      {(${ VSub_Name HOST_IP)} {(--port)} {(4000)}
    )
  ]
)