(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('test_description', {[SQ <LIT_CHARS "Tests rebase -i performance">]})])
  (Com {[LIT_CHARS .]} {[LIT_CHARS ./perf-lib.sh]})
  (Com {[LIT_CHARS test_perf_default_repo]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('branch_merge', {[LIT_CHARS ba5312da19c6fdb6c6747d479f58932aae6e900c] [LIT_OTHER "^"] [LIT_LBRACE "{"] [LIT_CHARS commit] [LIT_RBRACE "}"]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[{[LIT_CHARS branch_merge]}] bindings=[])
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS git]} {[LIT_CHARS rev-parse]} {[LIT_CHARS --verify]} {[VarSub branch_merge]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      (DescriptorRedirectNode target={[LIT_CHARS 1]} <REDIR_GREATAND "2>&"> 2),
      >
    )
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('skip_all', {[SQ <LIT_CHARS "skipping because $branch_merge was not found">]})])
      (Com {[LIT_CHARS test_done]})
    )
  )
  (Com {[LIT_CHARS write_script]} {[LIT_CHARS swap-first-two.sh]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=False body_word={[LIT_CHARS "case \"$1\" in\n"] [LIT_CHARS "*/COMMIT_EDITMSG)\n"] [LIT_CHARS "\tmv \"$1\" \"$1\".bak &&\n"] [LIT_CHARS "\tsed -e '1{h;d}' -e 2G <\"$1\".bak >\"$1\"\n"] [LIT_CHARS "\t;;\n"] [LIT_CHARS "esac\n"]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS setup>]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\tgit config core.editor \"\\\"$PWD\"/swap-first-two.sh\\\" &&\n"> <LIT_CHARS "\tgit checkout -f $branch_merge^2\n">]})
  (Com {[LIT_CHARS test_perf]} {[SQ <LIT_CHARS "rebase -i">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\tgit rebase -i $branch_merge^\n">]})
  (Com {[LIT_CHARS test_done]})
)