(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('test_description', {[SQ <LIT_CHARS "test @{-N} syntax">]})])
  (Com {[LIT_CHARS .]} {[LIT_CHARS ./test-lib.sh]})
  (FunctionDef make_commit []
    (AndOr OP_AND_IF
      (Com {[LIT_CHARS echo]} {[DQ [VarSub 1]]}
        <
        (FilenameRedirectNode filename={[DQ [VarSub 1]]} <REDIR_GREAT ">"> 1),
        >
      )
      (AndOr OP_AND_IF
        (Com {[LIT_CHARS git]} {[LIT_CHARS add]} {[DQ [VarSub 1]]})
        (Com {[LIT_CHARS git]} {[LIT_CHARS commit]} {[LIT_CHARS -m]} {[DQ [VarSub 1]]})
      )
    )
  )
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS setup>]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\n"> <LIT_CHARS "\tmake_commit 1 &&\n"> <LIT_CHARS "\tgit branch side &&\n"> <LIT_CHARS "\tmake_commit 2 &&\n"> <LIT_CHARS "\tmake_commit 3 &&\n"> <LIT_CHARS "\tgit checkout side &&\n"> <LIT_CHARS "\tmake_commit 4 &&\n"> <LIT_CHARS "\tgit merge master &&\n"> <LIT_CHARS "\tgit checkout master\n"> <LIT_CHARS "\n">]})
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "@{-1} works">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttest_cmp_rev side @{-1}\n">]})
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "@{-1}~2 works">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttest_cmp_rev side~2 @{-1}~2\n">]})
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "@{-1}^2 works">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttest_cmp_rev side^2 @{-1}^2\n">]})
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "@{-1}@{1} works">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttest_cmp_rev side@{1} @{-1}@{1}\n">]})
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "@{-2} works">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttest_cmp_rev master @{-2}\n">]})
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "@{-3} fails">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttest_must_fail git rev-parse @{-3}\n">]})
  (Com {[LIT_CHARS test_done]})
)