(command.CommandList
  children: [
    (command.ShAssignment
      left: <Id.Lit_VarLike 'test_description='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'test_description='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'test_description='> name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'test @{-N} syntax'>)}
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <.>
      more_env: []
      words: [{<.>} {<'./test-lib.sh'>}]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <make_commit>
      name: make_commit
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              children: [
                (command.Simple
                  blame_tok: <echo>
                  more_env: []
                  words: [{<echo>} {(DQ ($ Id.VSub_Number 1))}]
                  redirects: [
                    (Redir
                      op: <Id.Redir_Great '>'>
                      loc: (redir_loc.Fd fd:1)
                      arg: {(DQ ($ Id.VSub_Number 1))}
                    )
                  ]
                  do_fork: T
                )
                (command.Simple
                  blame_tok: <git>
                  more_env: []
                  words: [{<git>} {<add>} {(DQ ($ Id.VSub_Number 1))}]
                  redirects: []
                  do_fork: T
                )
                (command.Simple
                  blame_tok: <git>
                  more_env: []
                  words: [{<git>} {<commit>} {<-m>} {(DQ ($ Id.VSub_Number 1))}]
                  redirects: []
                  do_fork: T
                )
              ]
              ops: [<Id.Op_DAmp _> <Id.Op_DAmp _>]
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <setup>)}
        {
          (SQ <'\n'> <'\n'> <'\tmake_commit 1 &&\n'> <'\tgit branch side &&\n'> <'\tmake_commit 2 &&\n'> 
            <'\tmake_commit 3 &&\n'> <'\tgit checkout side &&\n'> <'\tmake_commit 4 &&\n'> <'\tgit merge master &&\n'> 
            <'\tgit checkout master\n'> <'\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'@{-1} works'>)}
        {(SQ <'\n'> <'\ttest_cmp_rev side @{-1}\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'@{-1}~2 works'>)}
        {(SQ <'\n'> <'\ttest_cmp_rev side~2 @{-1}~2\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'@{-1}^2 works'>)}
        {(SQ <'\n'> <'\ttest_cmp_rev side^2 @{-1}^2\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'@{-1}@{1} works'>)}
        {(SQ <'\n'> <'\ttest_cmp_rev side@{1} @{-1}@{1}\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'@{-2} works'>)}
        {(SQ <'\n'> <'\ttest_cmp_rev master @{-2}\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'@{-3} fails'>)}
        {(SQ <'\n'> <'\ttest_must_fail git rev-parse @{-3}\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_done>
      more_env: []
      words: [{<test_done>}]
      redirects: []
      do_fork: T
    )
  ]
)