(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('test_description', {[SQ <LIT_CHARS "Tests git rev-list --topo-order functionality">]})])
  (Com {[LIT_CHARS .]} {[LIT_CHARS ./test-lib.sh]})
  (Com {[LIT_CHARS .]} {[DQ [VarSub TEST_DIRECTORY]] [LIT_CHARS /lib-t6000.sh]})
  (FunctionDef list_duplicates []
    (Pipeline
      (Com {[DQ [VarSub @]]})
      (Com {[LIT_CHARS sort]})
      (Com {[LIT_CHARS uniq]} {[LIT_CHARS -d]})
    )
  )
  (Com {[LIT_CHARS date]}
    <
    (FilenameRedirectNode filename={[LIT_CHARS path0]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS git]} {[LIT_CHARS update-index]} {[LIT_CHARS --add]} {[LIT_CHARS path0]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS tree]} {[LIT_CHARS git]} {[LIT_CHARS write-tree]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:00"]]} {[DQ [LIT_CHARS "00:00"]]} {[LIT_CHARS hide_error]} {[LIT_CHARS save_tag]} {[LIT_CHARS root]} {[LIT_CHARS unique_commit]} {[LIT_CHARS root]} {[LIT_CHARS tree]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:01"]]} {[DQ [LIT_CHARS "00:01"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l0]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l0]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS root]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:02"]]} {[DQ [LIT_CHARS "00:02"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS l0]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:03"]]} {[DQ [LIT_CHARS "00:03"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS l1]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:04"]]} {[DQ [LIT_CHARS "00:04"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS a0]} {[LIT_CHARS unique_commit]} {[LIT_CHARS a0]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS l2]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:05"]]} {[DQ [LIT_CHARS "00:05"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS a1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS a1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a0]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:06"]]} {[DQ [LIT_CHARS "00:06"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS b1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS b1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a0]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:07"]]} {[DQ [LIT_CHARS "00:07"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS c1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS c1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS b1]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:08"]]} {[DQ [LIT_CHARS "00:08"]]} {[LIT_CHARS as_author]} {[LIT_CHARS foobar] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS save_tag]} {[LIT_CHARS b2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS b2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS b1]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:09"]]} {[DQ [LIT_CHARS "00:09"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS b3]} {[LIT_CHARS unique_commit]} {[LIT_CHARS b3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS b2]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:10"]]} {[DQ [LIT_CHARS "00:10"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS c2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS c2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS c1]} {[LIT_CHARS -p]} {[LIT_CHARS b2]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:11"]]} {[DQ [LIT_CHARS "00:11"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS c3]} {[LIT_CHARS unique_commit]} {[LIT_CHARS c3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS c2]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:12"]]} {[DQ [LIT_CHARS "00:00"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS a2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS a2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a1]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:13"]]} {[DQ [LIT_CHARS "00:01"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS a3]} {[LIT_CHARS unique_commit]} {[LIT_CHARS a3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a2]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:14"]]} {[DQ [LIT_CHARS "00:14"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS b4]} {[LIT_CHARS unique_commit]} {[LIT_CHARS b4]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS b3]} {[LIT_CHARS -p]} {[LIT_CHARS a3]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:15"]]} {[DQ [LIT_CHARS "00:15"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS a4]} {[LIT_CHARS unique_commit]} {[LIT_CHARS a4]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a3]} {[LIT_CHARS -p]} {[LIT_CHARS b4]} {[LIT_CHARS -p]} {[LIT_CHARS c3]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:16"]]} {[DQ [LIT_CHARS "00:16"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l3]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a4]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:17"]]} {[DQ [LIT_CHARS "00:17"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l4]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l4]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS l3]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:18"]]} {[DQ [LIT_CHARS "00:18"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l5]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l5]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS l4]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:19"]]} {[DQ [LIT_CHARS "00:19"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS m1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS m1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS a4]} {[LIT_CHARS -p]} {[LIT_CHARS c3]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:20"]]} {[DQ [LIT_CHARS "00:20"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS m2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS m2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS c3]} {[LIT_CHARS -p]} {[LIT_CHARS a4]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:21"]]} {[DQ [LIT_CHARS "00:21"]]} {[LIT_CHARS hide_error]} {[LIT_CHARS save_tag]} {[LIT_CHARS alt_root]} {[LIT_CHARS unique_commit]} {[LIT_CHARS alt_root]} {[LIT_CHARS tree]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:22"]]} {[DQ [LIT_CHARS "00:22"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS r0]} {[LIT_CHARS unique_commit]} {[LIT_CHARS r0]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS alt_root]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:23"]]} {[DQ [LIT_CHARS "00:23"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS r1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS r1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS r0]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:24"]]} {[DQ [LIT_CHARS "00:24"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS l5r1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS l5r1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS l5]} {[LIT_CHARS -p]} {[LIT_CHARS r1]})
  (Com {[LIT_CHARS on_dates]} {[DQ [LIT_CHARS "00:25"]]} {[DQ [LIT_CHARS "00:25"]]} {[LIT_CHARS save_tag]} {[LIT_CHARS r1l5]} {[LIT_CHARS unique_commit]} {[LIT_CHARS r1l5]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS r1]} {[LIT_CHARS -p]} {[LIT_CHARS l5]})
  (Com {[LIT_CHARS hide_error]} {[LIT_CHARS save_tag]} {[LIT_CHARS e1]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e1]} {[LIT_CHARS tree]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e2]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e1]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f1]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e1]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e3]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e2]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f2]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f1]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e4]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e4]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e3]} {[LIT_CHARS -p]} {[LIT_CHARS f2]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e5]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e5]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e4]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f3]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f2]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f4]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f4]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f3]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e6]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e6]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e5]} {[LIT_CHARS -p]} {[LIT_CHARS f4]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f5]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f5]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f4]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f6]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f6]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f5]} {[LIT_CHARS -p]} {[LIT_CHARS e6]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e7]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e7]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e6]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e8]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e8]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e7]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e9]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e9]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e8]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f7]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f7]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f6]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f8]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f8]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f7]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS f9]} {[LIT_CHARS as_author]} {[LIT_CHARS f] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS f9]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS f8]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS e10]} {[LIT_CHARS as_author]} {[LIT_CHARS e] [LIT_OTHER "@"] [LIT_CHARS example.com]} {[LIT_CHARS unique_commit]} {[LIT_CHARS e1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS e9]} {[LIT_CHARS -p]} {[LIT_CHARS f8]})
  (Com {[LIT_CHARS hide_error]} {[LIT_CHARS save_tag]} {[LIT_CHARS g0]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g0]} {[LIT_CHARS tree]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS g1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g1]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS g0]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS h1]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g2]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS g0]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS g2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g3]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS g1]} {[LIT_CHARS -p]} {[LIT_CHARS h1]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS h2]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g4]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS g2]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS g3]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g5]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS g2]})
  (Com {[LIT_CHARS save_tag]} {[LIT_CHARS g4]} {[LIT_CHARS unique_commit]} {[LIT_CHARS g6]} {[LIT_CHARS tree]} {[LIT_CHARS -p]} {[LIT_CHARS g3]} {[LIT_CHARS -p]} {[LIT_CHARS h2]})
  (Com {[LIT_CHARS git]} {[LIT_CHARS update-ref]} {[LIT_CHARS HEAD]} {[ComSub (Com {[LIT_CHARS tag]} {[LIT_CHARS l5]})]})
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "rev-list has correct number of entries">]} {[SQ <LIT_CHARS "git rev-list HEAD | wc -l | tr -d \\\" \\\"">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "19\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "simple topo order">]} {[SQ <LIT_CHARS "git rev-list --topo-order  HEAD">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "simple date order">]} {[SQ <LIT_CHARS "git rev-list --date-order  HEAD">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b1\n"][LIT_CHARS "a1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "simple author-date order">]} {[SQ <LIT_CHARS "git rev-list --author-date-order  HEAD">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "b4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b1\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "two diamonds topo order (g6)">]} {[SQ <LIT_CHARS "git rev-list --topo-order  g4">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "g4\n"][LIT_CHARS "h2\n"][LIT_CHARS "g3\n"][LIT_CHARS "g2\n"][LIT_CHARS "h1\n"][LIT_CHARS "g1\n"][LIT_CHARS "g0\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "multiple heads">]} {[SQ <LIT_CHARS "git rev-list --topo-order a3 b3 c3">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "multiple heads, prune at a1">]} {[SQ <LIT_CHARS "git rev-list --topo-order a3 b3 c3 ^a1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "multiple heads, prune at l1">]} {[SQ <LIT_CHARS "git rev-list --topo-order a3 b3 c3 ^l1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "cross-epoch, head at l5, prune at l1">]} {[SQ <LIT_CHARS "git rev-list --topo-order l5 ^l1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "duplicated head arguments">]} {[SQ <LIT_CHARS "git rev-list --topo-order l5 l5 ^l1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "prune near topo">]} {[SQ <LIT_CHARS "git rev-list --topo-order a4 ^c3">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "a4\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "head has no parent"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  root">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "two nodes - one head, one base"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l0">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "three nodes one head, one internal, one base"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "linear prune l2 ^root"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l2 ^root">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "linear prune l2 ^l0"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l2 ^l0">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l2\n"][LIT_CHARS "l1\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "linear prune l2 ^l1"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l2 ^l1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l2\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "linear prune l5 ^a4"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l5 ^a4">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "linear prune l5 ^l3"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l5 ^l3">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "linear prune l5 ^l4"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  l5 ^l4">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "max-count 10 - topo order"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  --max-count=10 l5">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "max-count 10 - non topo order"]]} {[SQ <LIT_CHARS "git rev-list --max-count=10 l5">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "b3\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "--max-age=c3, no --topo-order">]} {[DQ [LIT_CHARS "git rev-list --max-age="][ComSub (Com {[LIT_CHARS commit_date]} {[LIT_CHARS c3]})][LIT_CHARS " l5"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "c3\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "one specified head reachable from another a4, c3, --topo-order">]} {[DQ [LIT_CHARS "list_duplicates git rev-list --topo-order a4 c3"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "one specified head reachable from another c3, a4, --topo-order">]} {[DQ [LIT_CHARS "list_duplicates git rev-list --topo-order c3 a4"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "one specified head reachable from another a4, c3, no --topo-order">]} {[DQ [LIT_CHARS "list_duplicates git rev-list a4 c3"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "one specified head reachable from another c3, a4, no --topo-order">]} {[DQ [LIT_CHARS "list_duplicates git rev-list c3 a4"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "graph with c3 and a4 parents of head">]} {[DQ [LIT_CHARS "list_duplicates git rev-list m1"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "graph with a4 and c3 parents of head">]} {[DQ [LIT_CHARS "list_duplicates git rev-list m2"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_expect_success]} {[DQ [LIT_CHARS "head ^head --topo-order"]]} {[SQ <LIT_CHARS "git rev-list --topo-order  a3 ^a3">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_expect_success]} {[DQ [LIT_CHARS "head ^head no --topo-order"]]} {[SQ <LIT_CHARS "git rev-list a3 ^a3">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ ]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "simple topo order (l5r1)">]} {[SQ <LIT_CHARS "git rev-list --topo-order  l5r1">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l5r1\n"][LIT_CHARS "r1\n"][LIT_CHARS "r0\n"][LIT_CHARS "alt_root\n"][LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[SQ <LIT_CHARS "simple topo order (r1l5)">]} {[SQ <LIT_CHARS "git rev-list --topo-order  r1l5">]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "r1l5\n"][LIT_CHARS "l5\n"][LIT_CHARS "l4\n"][LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"][LIT_CHARS "r1\n"][LIT_CHARS "r0\n"][LIT_CHARS "alt_root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "don't print things unreachable from one branch"]]} {[DQ [LIT_CHARS "git rev-list a3 ^b3 --topo-order"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_output_expect_success]} {[DQ [LIT_CHARS "--topo-order a4 l3"]]} {[DQ [LIT_CHARS "git rev-list --topo-order a4 l3"]]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "l3\n"][LIT_CHARS "a4\n"][LIT_CHARS "c3\n"][LIT_CHARS "c2\n"][LIT_CHARS "c1\n"][LIT_CHARS "b4\n"][LIT_CHARS "a3\n"][LIT_CHARS "a2\n"][LIT_CHARS "a1\n"][LIT_CHARS "b3\n"][LIT_CHARS "b2\n"][LIT_CHARS "b1\n"][LIT_CHARS "a0\n"][LIT_CHARS "l2\n"][LIT_CHARS "l1\n"][LIT_CHARS "l0\n"][LIT_CHARS "root\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Com {[LIT_CHARS test_done]})
)