(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('test_description', {[SQ <LIT_CHARS "diff honors config option, diff.suppressBlankEmpty">]})])
  (Com {[LIT_CHARS .]} {[LIT_CHARS ./test-lib.sh]}  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS cat]}
      <
      (HereDocRedirectNode here_end='EOF' do_expansion=False body_word={[LIT_CHARS "diff --git a/f b/f\n"] [LIT_CHARS "index 5f6a263..8cb8bae 100644\n"] [LIT_CHARS "--- a/f\n"] [LIT_CHARS "+++ b/f\n"] [LIT_CHARS "@@ -1,2 +1,2 @@\n"] [LIT_CHARS "\n"] [LIT_CHARS "-x\n"] [LIT_CHARS "+y\n"]} <REDIR_DLESS "<<"> 0),
      (FilenameRedirectNode filename={[LIT_CHARS exp]} <REDIR_GREAT ">"> 1),
      >
    )
    (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]}    )
  )
  (Com {[LIT_CHARS test_expect_success]} {[DQ [VarSub test_description]]} {[SQ <LIT_CHARS "printf \"\\nx\\n\" > f &&\n"> <LIT_CHARS "     git add f &&\n"> <LIT_CHARS "     git commit -q -m. f &&\n"> <LIT_CHARS "     printf \"\\ny\\n\" > f &&\n"> <LIT_CHARS "     git config --bool diff.suppressBlankEmpty true &&\n"> <LIT_CHARS "     git diff f > actual &&\n"> <LIT_CHARS "     test_cmp exp actual &&\n"> <LIT_CHARS "     \"$PERL_PATH\" -i.bak -p -e \"s/^\\$/ /\" exp &&\n"> <LIT_CHARS "     git config --bool diff.suppressBlankEmpty false &&\n"> <LIT_CHARS "     git diff f > actual &&\n"> <LIT_CHARS "     test_cmp exp actual &&\n"> <LIT_CHARS "     git config --bool --unset diff.suppressBlankEmpty &&\n"> <LIT_CHARS "     git diff f > actual &&\n"> <LIT_CHARS "     test_cmp exp actual\n"> <LIT_CHARS "     ">]}  )
  (Com {[LIT_CHARS test_done]}  )
)