(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:bases)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [22]
        )
        (assign_pair
          lhs: (sh_lhs_expr.Name name:head)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [24]
        )
        (assign_pair
          lhs: (sh_lhs_expr.Name name:remotes)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [26]
        )
        (assign_pair
          lhs: (sh_lhs_expr.Name name:sep_seen)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [28]
        )
      ]
    )
    (command.ForEach
      iter_name: arg
      do_arg_iter: T
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: 
                {
                  (DQ (',') ($ Id.VSub_DollarName '$sep_seen') (',') ($ Id.VSub_DollarName '$head') (',') 
                    ($ Id.VSub_DollarName '$arg') (',')
                  )
                }
              arms: [
                (case_arm
                  pat_list: [{(Id.Lit_Star '*') (Id.Lit_Comma ',') (--) (Id.Lit_Comma ',')}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:sep_seen)
                          op: assign_op.Equal
                          rhs: {(yes)}
                          spids: [59]
                        )
                      ]
                    )
                  ]
                  spids: [52 56 63 -1]
                )
                (case_arm
                  pat_list: [
                    {(Id.Lit_Comma ',') (yes) (Id.Lit_Comma ',') (Id.Lit_Comma ',') (Id.Lit_Star '*')}
                  ]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:head)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_DollarName '$arg')}
                          spids: [74]
                        )
                      ]
                    )
                  ]
                  spids: [66 71 78 -1]
                )
                (case_arm
                  pat_list: [{(Id.Lit_Comma ',') (yes) (Id.Lit_Comma ',') (Id.Lit_Star '*')}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:remotes)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ ($ Id.VSub_DollarName '$remotes') ($ Id.VSub_DollarName '$arg') (' '))
                            }
                          spids: [88]
                        )
                      ]
                    )
                  ]
                  spids: [81 85 96 -1]
                )
                (case_arm
                  pat_list: [{(Id.Lit_Star '*')}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:bases)
                          op: assign_op.Equal
                          rhs: 
                            {(DQ ($ Id.VSub_DollarName '$bases') ($ Id.VSub_DollarName '$arg') (' '))}
                          spids: [103]
                        )
                      ]
                    )
                  ]
                  spids: [99 100 111 -1]
                )
              ]
            )
          ]
        )
    )
    (command.Case
      to_match: {(DQ ($ Id.VSub_DollarName '$remotes'))}
      arms: [
        (case_arm
          pat_list: [
            {(Id.Lit_QMark '?') (Id.Lit_Star '*') (SQ (Token id:Id.Lit_Chars val:' ' span_id:133)) 
              (Id.Lit_QMark '?') (Id.Lit_Star '*')
            }
          ]
          action: [
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:140)
              arg_word: {(2)}
            )
          ]
          spids: [130 137 144 -1]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [(C {(test)} {(SQ )} {(Id.Lit_Equals '=')} {(DQ ($ Id.VSub_DollarName '$bases'))})]
          action: [
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:168)
              arg_word: {(2)}
            )
          ]
          spids: [152 165]
        )
      ]
    )
    (C {(git)} {(update-index)} {(-q)} {(--refresh)})
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {(git)} {(read-tree)} {(-u)} {(-m)} {(--aggressive)} {($ Id.VSub_DollarName '$bases')} 
          {($ Id.VSub_DollarName '$head')} {($ Id.VSub_DollarName '$remotes')}
        )
        (command.ControlFlow
          token: (Token id:Id.ControlFlow_Exit val:exit span_id:201)
          arg_word: {(2)}
        )
      ]
    )
    (C {(echo)} {(DQ ('Trying simple merge.'))})
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:result_tree)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:214)
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Simple
                                words: [{(git)} {(write-tree)}]
                                redirects: [
                                  (redir.Redir
                                    op: (Token id:Id.Redir_Great val:'2>' span_id:219)
                                    fd: 2
                                    arg_word: {(/dev/null)}
                                  )
                                ]
                              )
                            ]
                          )
                      )
                    }
                  spids: [213]
                )
              ]
            )
          ]
          action: [
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:226)
              arg_word: {(0)}
            )
          ]
          spids: [211 223]
        )
      ]
      else_action: [
        (C {(echo)} {(DQ ('Simple merge failed, trying Automatic merge.'))})
        (command.If
          arms: [
            (if_arm
              cond: [(C {(git-merge-index)} {(-o)} {(git-merge-one-file)} {(-a)})]
              action: [
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Exit val:exit span_id:254)
                  arg_word: {(0)}
                )
              ]
              spids: [240 251]
            )
          ]
          else_action: [
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:262)
              arg_word: {(1)}
            )
          ]
        )
      ]
    )
  ]
)