(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'bisect can handle submodules'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(.)} {(DQ ($ VSub_Name '$TEST_DIRECTORY')) (/lib-submodule-update.sh)})
    (FuncDef
      name: git_bisect
      body: 
        (BraceGroup
          children: [
            (AndOr
              ops: [
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
                Op_DAmp
              ]
              children: [
                (SimpleCommand
                  words: [{(git)} {(status)} {(-su)}]
                  redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(expect)} spids:[36])]
                )
                (SimpleCommand
                  words: [{(ls)} {(-1pR)} {(Lit_Other '*')}]
                  redirects: [(Redir op_id:Redir_DGreat fd:16777215 arg_word:{(expect)} spids:[48])]
                )
                (C {(tar)} {(cf)} {(DQ ($ VSub_Name '$TRASH_DIRECTORY') (/tmp.tar))} {(Lit_Other '*')})
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:GOOD)
                      op: Equal
                      rhs: 
                        {
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(git)} {(rev-parse)} {(--verify)} {(HEAD)})]
                              )
                            left_token: <Left_CommandSub '$('>
                            spids: [69 77]
                          )
                        }
                      spids: [68]
                    )
                  ]
                  spids: [68]
                )
                (C {(git)} {(checkout)} {(DQ ($ VSub_Number '$1'))})
                (SimpleCommand
                  words: [{(echo)} {(DQ (foo))}]
                  redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(bar)} spids:[99])]
                )
                (C {(git)} {(add)} {(bar)})
                (C {(git)} {(commit)} {(-m)} {(DQ ('bisect bad'))})
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:BAD)
                      op: Equal
                      rhs: 
                        {
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(git)} {(rev-parse)} {(--verify)} {(HEAD)})]
                              )
                            left_token: <Left_CommandSub '$('>
                            spids: [128 136]
                          )
                        }
                      spids: [127]
                    )
                  ]
                  spids: [127]
                )
                (C {(git)} {(reset)} {(--hard)} {(HEAD) (Lit_Other '^') (Lit_Other '^')})
                (C {(git)} {(submodule)} {(update)})
                (C {(git)} {(bisect)} {(start)})
                (C {(git)} {(bisect)} {(good)} {($ VSub_Name '$GOOD')})
                (C {(rm)} {(-rf)} {(Lit_Other '*')})
                (C {(tar)} {(xf)} {(DQ ($ VSub_Name '$TRASH_DIRECTORY') (/tmp.tar))})
                (SimpleCommand
                  words: [{(git)} {(status)} {(-su)}]
                  redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(actual)} spids:[210])]
                )
                (SimpleCommand
                  words: [{(ls)} {(-1pR)} {(Lit_Other '*')}]
                  redirects: [(Redir op_id:Redir_DGreat fd:16777215 arg_word:{(actual)} spids:[222])]
                )
                (C {(test_cmp)} {(expect)} {(actual)})
                (C {(git)} {(bisect)} {(bad)} {($ VSub_Name '$BAD')})
              ]
            )
          ]
          spids: [27]
        )
      spids: [22 26]
    )
    (C {(test_submodule_switch)} {(DQ (git_bisect))})
    (C {(test_done)})
  ]
)