(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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:00"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:01"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:02"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:03"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:04"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:05"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:06"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:07"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:08"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:09"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:10"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:11"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:12"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:13"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:14"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:15"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:16"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:17"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:18"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:19"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:20"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:21"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:22"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:23"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:24"]]} {[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_committer_date]} {[DQ [LIT_CHARS "1971-08-16 00:00:25"]]} {[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 "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]}  )
)