(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'--all includes detached HEADs'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (FuncDef
      name: commit
      body: 
        (BraceGroup
          children: [
            (AndOr
              ops: [Op_DAmp Op_DAmp Op_DAmp]
              children: [
                (C {(test_tick)})
                (SimpleCommand
                  words: [{(echo)} {($ VSub_Number '$1')}]
                  redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(foo)} spids:[33])]
                )
                (C {(git)} {(add)} {(foo)})
                (C {(git)} {(commit)} {(-m)} {(DQ ($ VSub_Number '$1'))})
              ]
            )
          ]
          spids: [21]
        )
      spids: [16 20]
    )
    (C {(test_expect_success)} {(SQ <setup>)} 
      {
        (SQ <'\n'> <'\n'> <'\tcommit one &&\n'> <'\tcommit two &&\n'> <'\tgit checkout HEAD^ &&\n'> 
          <'\tcommit detached\n'> <'\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'rev-list --all lists detached HEAD'>)} 
      {(SQ <'\n'> <'\n'> <'\ttest 3 = $(git rev-list --all | wc -l)\n'> <'\n'>)}
    )
    (C {(test_expect_success)} {(SQ <'repack does not lose detached HEAD'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tgit gc &&\n'> <'\tgit prune --expire=now &&\n'> <'\tgit show HEAD\n'> <'\n'>)
      }
    )
    (C {(test_expect_success)} {(SQ <'rev-list --graph --no-walk is forbidden'>)} 
      {(SQ <'\n'> <'\ttest_must_fail git rev-list --graph --no-walk HEAD\n'>)}
    )
    (C {(test_done)})
  ]
)