(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:test_description)
          op: assign_op.Equal
          rhs: {(SQ (Token id:Id.Lit_Chars val:'bisect can handle submodules' span_id:6))}
          spids: [4]
        )
      ]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(.)} {(DQ ($ Id.VSub_DollarName '$TEST_DIRECTORY')) (/lib-submodule-update.sh)})
    (command.ShFunction
      name: git_bisect
      body: 
        (command.BraceGroup
          children: [
            (command.AndOr
              ops: [
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
                Id.Op_DAmp
              ]
              children: [
                (command.Simple
                  words: [{(git)} {(status)} {(-su)}]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_Great val:'>' span_id:36)
                      fd: -1
                      arg_word: {(expect)}
                    )
                  ]
                )
                (command.Simple
                  words: [{(ls)} {(-1pR)} {(Id.Lit_Star '*')}]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_DGreat val:'>>' span_id:48)
                      fd: -1
                      arg_word: {(expect)}
                    )
                  ]
                )
                (C {(tar)} {(cf)} {(DQ ($ Id.VSub_DollarName '$TRASH_DIRECTORY') (/tmp.tar))} 
                  {(Id.Lit_Star '*')}
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:GOOD)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (command_sub
                            left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:69)
                            command_list: 
                              (command.CommandList
                                children: [(C {(git)} {(rev-parse)} {(--verify)} {(HEAD)})]
                              )
                          )
                        }
                      spids: [68]
                    )
                  ]
                )
                (C {(git)} {(checkout)} {(DQ ($ Id.VSub_Number '$1'))})
                (command.Simple
                  words: [{(echo)} {(DQ (foo))}]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_Great val:'>' span_id:99)
                      fd: -1
                      arg_word: {(bar)}
                    )
                  ]
                )
                (C {(git)} {(add)} {(bar)})
                (C {(git)} {(commit)} {(-m)} {(DQ ('bisect bad'))})
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:BAD)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (command_sub
                            left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:128)
                            command_list: 
                              (command.CommandList
                                children: [(C {(git)} {(rev-parse)} {(--verify)} {(HEAD)})]
                              )
                          )
                        }
                      spids: [127]
                    )
                  ]
                )
                (C {(git)} {(reset)} {(--hard)} {(HEAD) (Id.Lit_Other '^') (Id.Lit_Other '^')})
                (C {(git)} {(submodule)} {(update)})
                (C {(git)} {(bisect)} {(start)})
                (C {(git)} {(bisect)} {(good)} {($ Id.VSub_DollarName '$GOOD')})
                (C {(rm)} {(-rf)} {(Id.Lit_Star '*')})
                (C {(tar)} {(xf)} {(DQ ($ Id.VSub_DollarName '$TRASH_DIRECTORY') (/tmp.tar))})
                (command.Simple
                  words: [{(git)} {(status)} {(-su)}]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_Great val:'>' span_id:210)
                      fd: -1
                      arg_word: {(actual)}
                    )
                  ]
                )
                (command.Simple
                  words: [{(ls)} {(-1pR)} {(Id.Lit_Star '*')}]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_DGreat val:'>>' span_id:222)
                      fd: -1
                      arg_word: {(actual)}
                    )
                  ]
                )
                (C {(test_cmp)} {(expect)} {(actual)})
                (C {(git)} {(bisect)} {(bad)} {($ Id.VSub_DollarName '$BAD')})
              ]
            )
          ]
        )
    )
    (C {(test_submodule_switch)} {(DQ (git_bisect))})
    (C {(test_done)})
  ]
)