(command.CommandList
  children: [
    (C {<set>} {<-o>} {<errexit>})
    (C {<set>} {<-o>} {<nounset>})
    (C {<set>} {<-o>} {<pipefail>})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:KUBE_ROOT)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: (C {<dirname>} {(DQ (${ Id.VSub_Name BASH_SOURCE))})
              ) <'/..'>
            }
          spids: [73]
        )
      ]
    )
    (C {<source>} {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/hack/lib/init.sh'>)})
    (C {<readonly>} 
      {<Id.Lit_VarLike 'branch='> 
        (braced_var_sub
          token: <Id.VSub_Number 1>
          suffix_op: 
            (suffix_op.Unary
              tok: <Id.VTest_ColonHyphen ':-'>
              arg_word: 
                {
                  (braced_var_sub
                    token: <Id.VSub_Name KUBE_VERIFY_GIT_BRANCH>
                    suffix_op: (suffix_op.Unary tok:<Id.VTest_ColonHyphen ':-'> arg_word:{<master>})
                  )
                }
            )
        )
      }
    )
    (command.ShFunction
      name: find_files
      body: 
        (BraceGroup
          children: [
            (C {<find>} {<.>} {<-not>} {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\('>)} 
              {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\('>)} {<-wholename>} {(SQ <'./output'>)} {<-o>} {<-wholename>} {(SQ <'./_output'>)} {<-o>} {<-wholename>} 
              {(SQ <'./_gopath'>)} {<-o>} {<-wholename>} {(SQ <'./release'>)} {<-o>} {<-wholename>} {(SQ <'./target'>)} {<-o>} {<-wholename>} 
              {(SQ <'*/third_party/*'>)} {<-o>} {<-wholename>} {(SQ <'*/vendor/*'>)} {<-o>} {<-wholename>} 
              {(SQ <'./staging/src/k8s.io/client-go/*vendor/*'>)} {<-o>} {<-wholename>} {(SQ <'./staging/src/k8s.io/client-go/pkg/*'>)} 
              {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\)'>)} {<-prune>} {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\)'>)} {<-name>} {(SQ <.readonly>)}
            )
          ]
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:IFS)
          op: assign_op.Equal
          rhs: 
            {
              (single_quoted
                left: <Id.Left_DollarSingleQuote '$\''>
                tokens: [<Id.Char_OneChar '\\n'>]
                multiline: F
              )
            }
          spids: [235]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:conflicts)
          op: assign_op.Equal
          rhs: 
            {
              (sh_array_literal
                left: <Id.Op_LParen _>
                words: [
                  {
                    (command_sub
                      left_token: <Id.Left_DollarParen '$('>
                      child: 
                        (command.Pipeline
                          children: [
                            (C {<find_files>})
                            (C {<sed>} {(SQ <'s|/.readonly||'>)})
                            (command.WhileUntil
                              keyword: <Id.KW_While while>
                              cond: 
                                (condition.Shell
                                  commands: [
                                    (command.Sentence
                                      child: (C {<read>} {<dir>})
                                      terminator: <Id.Op_Semi _>
                                    )
                                  ]
                                )
                              body: 
                                (command.DoGroup
                                  children: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:dir)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (braced_var_sub
                                                token: <Id.VSub_Name dir>
                                                suffix_op: 
                                                  (suffix_op.Unary
                                                    tok: <Id.VOp1_Pound '#'>
                                                    arg_word: {<.> <Id.Lit_Slash '/'>}
                                                  )
                                              )
                                            }
                                          spids: [265]
                                        )
                                      ]
                                    )
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: 
                                            (condition.Shell
                                              commands: [
                                                (command.Sentence
                                                  child: 
                                                    (command.Simple
                                                      words: [
                                                        {<kube> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> 
                                                          <util> <Id.Lit_Colon ':'> <Id.Lit_Colon ':'> <has_changes_against_upstream_branch>
                                                        }
                                                        {(DQ (${ Id.VSub_Name branch))}
                                                        {
                                                          (DQ <'^'> (${ Id.VSub_Name dir) <'/[^/]*'> 
                                                            (word_part.EscapedLiteral
                                                              token: <Id.Lit_EscapedChar '\\$'>
                                                            )
                                                          )
                                                        }
                                                        {
                                                          (SQ 
                                                            <
'/\\.readonly$|/BUILD$|/zz_generated|/\\.generated\\.|\\.proto$|\\.pb\\.go$'
                                                            >
                                                          )
                                                        }
                                                      ]
                                                      redirects: [
                                                        (redir
                                                          op: <Id.Redir_Great '>'>
                                                          loc: (redir_loc.Fd fd:1)
                                                          arg: {<'/dev/null'>}
                                                        )
                                                      ]
                                                      do_fork: T
                                                    )
                                                  terminator: <Id.Op_Semi _>
                                                )
                                              ]
                                            )
                                          action: [(C {<echo>} {(DQ (${ Id.VSub_Name dir))})]
                                          spids: [274 307]
                                        )
                                      ]
                                    )
                                  ]
                                )
                            )
                          ]
                          negated: F
                        )
                    )
                  }
                ]
              )
            }
          spids: [240]
        )
      ]
    )
    (C {<unset>} {<IFS>})
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (C {<Id.Lit_LBracket '['>} 
                      {
                        (braced_var_sub
                          token: <Id.VSub_Name conflicts>
                          prefix_op: (Id.VSub_Pound)
                          bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                        )
                      } {<-gt>} {<0>} {<Id.Lit_RBracket ']'>}
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          action: [
            (command.Simple
              words: [{<exec>}]
              redirects: [(redir op:<Id.Redir_GreatAnd '1>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.ForEach
              iter_name: dir
              iter_words: [
                {
                  (DQ 
                    (braced_var_sub
                      token: <Id.VSub_Name conflicts>
                      bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                    )
                  )
                }
              ]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (C {<echo>} 
                      {
                        (DQ <'Found '> (${ Id.VSub_Name dir) 
                          <'/.readonly, but files changed compared to '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) (${ Id.VSub_Name branch) 
                          (word_part.EscapedLiteral
                            token: <Id.Lit_EscapedChar '\\"'>
                          ) <' branch.'>
                        )
                      }
                    )
                  ]
                )
            )
            (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          spids: [330 349]
        )
      ]
      else_action: [(C {<echo>} {(DQ <'Readonly packages verified.'>)})]
    )
  ]
)