view tests/test-template-keywords.t @ 46149:294d5aca4ff5

copies: iterate over children directly (instead of parents)

Before this change we would gather all parent → child edges and iterate on
all parent, gathering copy information for children and aggregating them from
there.

They are not strict requirement for edges to be processed in that specific
order. We could also simply iterate over all "children" revision and aggregate
data from both parents at the same time. This patch does that.

It make various things simpler:

 * since both parents are processed at the same time, we no longer need to
   cache data for merge (see next changeset for details),

 * we no longer need nested loop to process data,

 * we no longer need to store partial merge data for a rev from distinct loop
   interaction to another when processing merges,

 * we no longer need to build a full parent -> children mapping (we only rely on
   a simpler "parent -> number of children" map (for memory efficiency),

 * the data access pattern is now simpler (from lower revisions to higher
   revisions) and entirely predicable. That predictability open the way to
   prefetching and parallel processing.

So that new iterations order requires simpler code and open the way to
interesting optimisation.

The effect on performance is quite good. In the worse case, we don't see any
significant negative impact. And in the best case, the reduction of roundtrip
to Python provide us with a significant speed. Some example below:

Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
---------------------------------------------------------------------------------------------------------------------------------------------------------------
mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c :  34414 revs,   0.962867 s,   0.502584 s,  -0.460283 s, × 0.5220,    14 µs/rev
mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :   8598 revs,   0.110717 s,   0.076323 s,  -0.034394 s, × 0.6894,     8 µs/rev



# full comparison between the previous changeset and this one

Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
---------------------------------------------------------------------------------------------------------------------------------------------------------------
mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000048 s,   0.000041 s,  -0.000007 s, × 0.8542,    41 µs/rev
mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.000153 s,   0.000102 s,  -0.000051 s, × 0.6667,    17 µs/rev
mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.004209 s,   0.004254 s,  +0.000045 s, × 1.0107,     4 µs/rev
pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.000203 s,   0.000282 s,  +0.000079 s, × 1.3892,    31 µs/rev
pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.000059 s,   0.000048 s,  -0.000011 s, × 0.8136,    48 µs/rev
pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.000194 s,   0.000211 s,  +0.000017 s, × 1.0876,    30 µs/rev
pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.000380 s,   0.000375 s,  -0.000005 s, × 0.9868,   375 µs/rev
pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.010588 s,   0.010574 s,  -0.000014 s, × 0.9987,  1762 µs/rev
pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   0.048961 s,   0.049974 s,  +0.001013 s, × 1.0207,    10 µs/rev
pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   0.083612 s,   0.084300 s,  +0.000688 s, × 1.0082,    12 µs/rev
pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   0.058579 s,   0.060128 s,  +0.001549 s, × 1.0264,    11 µs/rev
pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43645 revs,   0.736783 s,   0.686542 s,  -0.050241 s, × 0.9318,    15 µs/rev
pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :      2 revs,   0.022050 s,   0.009277 s,  -0.012773 s, × 0.4207,  4638 µs/rev
pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   0.120800 s,   0.114733 s,  -0.006067 s, × 0.9498,    10 µs/rev
netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.000140 s,   0.000081 s,  -0.000059 s, × 0.5786,    40 µs/rev
netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.000114 s,   0.000107 s,  -0.000007 s, × 0.9386,    53 µs/rev
netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.000224 s,   0.000173 s,  -0.000051 s, × 0.7723,    57 µs/rev
netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.000723 s,   0.000698 s,  -0.000025 s, × 0.9654,    77 µs/rev
netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.009665 s,   0.009248 s,  -0.000417 s, × 0.9569,     6 µs/rev
netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.014820 s,   0.015446 s,  +0.000626 s, × 1.0422,    10 µs/rev
netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.076049 s,   0.074373 s,  -0.001676 s, × 0.9780,    12 µs/rev
netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  66949 revs,   0.683603 s,   0.639870 s,  -0.043733 s, × 0.9360,     9 µs/rev
mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.000161 s,   0.000088 s,  -0.000073 s, × 0.5466,    44 µs/rev
mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.000234 s,   0.000199 s,  -0.000035 s, × 0.8504,    24 µs/rev
mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.000247 s,   0.000171 s,  -0.000076 s, × 0.6923,    19 µs/rev
mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.000630 s,   0.000592 s,  -0.000038 s, × 0.9397,    84 µs/rev
mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.003286 s,   0.003151 s,  -0.000135 s, × 0.9589,  1050 µs/rev
mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.062441 s,   0.061612 s,  -0.000829 s, × 0.9867, 10268 µs/rev
mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.005423 s,   0.005381 s,  -0.000042 s, × 0.9923,     3 µs/rev
mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.005919 s,   0.003742 s,  -0.002177 s, × 0.6322,    91 µs/rev
mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   0.062597 s,   0.061983 s,  -0.000614 s, × 0.9902,     7 µs/rev
mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.043551 s,   0.019861 s,  -0.023690 s, × 0.4560,    32 µs/rev
mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   0.192475 s,   0.188101 s,  -0.004374 s, × 0.9773,     6 µs/rev
mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,   1.955575 s,   1.806696 s,  -0.148879 s, × 0.9239,    11 µs/rev
mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 204976 revs,   2.886501 s,   2.682987 s,  -0.203514 s, × 0.9295,    13 µs/rev
mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.001181 s,   0.000852 s,  -0.000329 s, × 0.7214,   426 µs/rev
mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.001189 s,   0.000859 s,  -0.000330 s, × 0.7225,   429 µs/rev
mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.000563 s,   0.000150 s,  -0.000413 s, × 0.2664,    37 µs/rev
mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.001548 s,   0.001158 s,  -0.000390 s, × 0.7481,   579 µs/rev
mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   0.027782 s,   0.027240 s,  -0.000542 s, × 0.9805, 27240 µs/rev
mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.062781 s,   0.062824 s,  +0.000043 s, × 1.0007, 10470 µs/rev
mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.005778 s,   0.005463 s,  -0.000315 s, × 0.9455,     3 µs/rev
mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.006192 s,   0.004238 s,  -0.001954 s, × 0.6844,   103 µs/rev
mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   0.065391 s,   0.064113 s,  -0.001278 s, × 0.9805,     9 µs/rev
mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.317216 s,   0.294063 s,  -0.023153 s, × 0.9270,     7 µs/rev
mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.303119 s,   0.281493 s,  -0.021626 s, × 0.9287,     7 µs/rev
mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :   8598 revs,   0.110717 s,   0.076323 s,  -0.034394 s, × 0.6894,     8 µs/rev
mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.045739 s,   0.020390 s,  -0.025349 s, × 0.4458,    33 µs/rev
mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   3.098021 s,   3.023879 s,  -0.074142 s, × 0.9761,    31 µs/rev
mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   0.771480 s,   0.735549 s,  -0.035931 s, × 0.9534,    14 µs/rev
mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs,  18.813422 s,  18.568900 s,  -0.244522 s, × 0.9870,    51 µs/rev
mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c :  34414 revs,   0.962867 s,   0.502584 s,  -0.460283 s, × 0.5220,    14 µs/rev
mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs,  18.684923 s,  18.356645 s,  -0.328278 s, × 0.9824,    50 µs/rev
mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs,  18.296305 s,  18.250393 s,  -0.045912 s, × 0.9975,    50 µs/rev
mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,   3.061887 s,   2.792459 s,  -0.269428 s, × 0.9120,    14 µs/rev
mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 103.869641 s, 107.697264 s,  +3.827623 s, × 1.0369,   470 µs/rev
mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 382065 revs,  64.262957 s,  63.961040 s,  -0.301917 s, × 0.9953,   167 µs/rev

Differential Revision: https://phab.mercurial-scm.org/D9422

Test template keywords
======================

  $ hg init a
  $ cd a
  $ echo a > a
  $ hg add a
  $ echo line 1 > b
  $ echo line 2 >> b
  $ hg commit -l b -d '1000000 0' -u 'User Name <user@hostname>'

  $ hg add b
  $ echo other 1 > c
  $ echo other 2 >> c
  $ echo >> c
  $ echo other 3 >> c
  $ hg commit -l c -d '1100000 0' -u 'A. N. Other <other@place>'

  $ hg add c
  $ hg commit -m 'no person' -d '1200000 0' -u 'other@place'
  $ echo c >> c
  $ hg commit -m 'no user, no domain' -d '1300000 0' -u 'person'

  $ echo foo > .hg/branch
  $ hg commit -m 'new branch' -d '1400000 0' -u 'person'

  $ hg co -q 3
  $ echo other 4 >> d
  $ hg add d
  $ hg commit -m 'new head' -d '1500000 0' -u 'person'

  $ hg merge -q foo
  $ hg commit -m 'merge' -d '1500001 0' -u 'person'

Second branch starting at nullrev:

  $ hg update null
  0 files updated, 0 files merged, 4 files removed, 0 files unresolved
  $ echo second > second
  $ hg add second
  $ hg commit -m second -d '1000000 0' -u 'User Name <user@hostname>'
  created new head

  $ echo third > third
  $ hg add third
  $ hg mv second fourth
  $ hg commit -m third -d "2020-01-01 10:01"

Working-directory revision has special identifiers, though they are still
experimental:

  $ hg log -r 'wdir()' -T '{rev}:{node}\n'
  2147483647:ffffffffffffffffffffffffffffffffffffffff

  $ hg log -r 'wdir()' -Tjson --debug
  [
   {
    "added": [],
    "bookmarks": [],
    "branch": "default",
    "date": [0, 0],
    "desc": "",
    "extra": {"branch": "default"},
    "manifest": "ffffffffffffffffffffffffffffffffffffffff",
    "modified": [],
    "node": "ffffffffffffffffffffffffffffffffffffffff",
    "parents": ["95c24699272ef57d062b8bccc32c878bf841784a"],
    "phase": "draft",
    "removed": [],
    "rev": 2147483647,
    "tags": [],
    "user": "test"
   }
  ]

  $ hg log -r 'wdir()' -T '{manifest}\n'
  2147483647:ffffffffffff

However, for negrev, we refuse to output anything (as well as for null)

  $ hg log -r 'wdir() + null' -T 'bla{negrev}nk\n'
  blank
  blank

Changectx-derived keywords are disabled within {manifest} as {node} changes:

  $ hg log -r0 -T 'outer:{p1node} {manifest % "inner:{p1node}"}\n'
  outer:0000000000000000000000000000000000000000 inner:

Check that {phase} works correctly on parents:

  $ cat << EOF > parentphase
  > changeset_debug = '{rev} ({phase}):{parents}\n'
  > parent = ' {rev} ({phase})'
  > EOF
  $ hg phase -r 5 --public
  $ hg phase -r 7 --secret --force
  $ hg log --debug -G --style ./parentphase
  @  8 (secret): 7 (secret) -1 (public)
  |
  o  7 (secret): -1 (public) -1 (public)
  
  o    6 (draft): 5 (public) 4 (draft)
  |\
  | o  5 (public): 3 (public) -1 (public)
  | |
  o |  4 (draft): 3 (public) -1 (public)
  |/
  o  3 (public): 2 (public) -1 (public)
  |
  o  2 (public): 1 (public) -1 (public)
  |
  o  1 (public): 0 (public) -1 (public)
  |
  o  0 (public): -1 (public) -1 (public)
  
Test {onelinesummary}

  $ hg log -G -T '{onelinesummary}'
  @  8:95c24699272e tip "third"
  |
  o  7:29114dbae42b "second"
  
  o    6:d41e714fe50d "merge"
  |\
  | o  5:13207e5a10d9 "new head"
  | |
  o |  4:bbe44766e73d "new branch"
  |/
  o  3:10e46f2dcbf4 "no user, no domain"
  |
  o  2:97054abb4ab8 "no person"
  |
  o  1:b608e9d1a3f0 "other 1"
  |
  o  0:1e4e1b8f71e0 "line 1"
  
  $ hg log -T '{onelinesummary}' -r 0 \
  > --config command-templates.oneline-summary='{rev} - {desc}'
  0 - line 1 (no-eol)

Keys work:

  $ for key in author branch branches date desc file_adds file_dels file_mods \
  >         file_copies file_copies_switch files \
  >         manifest node parents rev tags diffstat extras \
  >         p1rev p2rev p1node p2node user; do
  >     for mode in '' --verbose --debug; do
  >         hg log $mode --template "$key$mode: {$key}\n"
  >     done
  > done
  author: test
  author: User Name <user@hostname>
  author: person
  author: person
  author: person
  author: person
  author: other@place
  author: A. N. Other <other@place>
  author: User Name <user@hostname>
  author--verbose: test
  author--verbose: User Name <user@hostname>
  author--verbose: person
  author--verbose: person
  author--verbose: person
  author--verbose: person
  author--verbose: other@place
  author--verbose: A. N. Other <other@place>
  author--verbose: User Name <user@hostname>
  author--debug: test
  author--debug: User Name <user@hostname>
  author--debug: person
  author--debug: person
  author--debug: person
  author--debug: person
  author--debug: other@place
  author--debug: A. N. Other <other@place>
  author--debug: User Name <user@hostname>
  branch: default
  branch: default
  branch: default
  branch: default
  branch: foo
  branch: default
  branch: default
  branch: default
  branch: default
  branch--verbose: default
  branch--verbose: default
  branch--verbose: default
  branch--verbose: default
  branch--verbose: foo
  branch--verbose: default
  branch--verbose: default
  branch--verbose: default
  branch--verbose: default
  branch--debug: default
  branch--debug: default
  branch--debug: default
  branch--debug: default
  branch--debug: foo
  branch--debug: default
  branch--debug: default
  branch--debug: default
  branch--debug: default
  branches: 
  branches: 
  branches: 
  branches: 
  branches: foo
  branches: 
  branches: 
  branches: 
  branches: 
  branches--verbose: 
  branches--verbose: 
  branches--verbose: 
  branches--verbose: 
  branches--verbose: foo
  branches--verbose: 
  branches--verbose: 
  branches--verbose: 
  branches--verbose: 
  branches--debug: 
  branches--debug: 
  branches--debug: 
  branches--debug: 
  branches--debug: foo
  branches--debug: 
  branches--debug: 
  branches--debug: 
  branches--debug: 
  date: 1577872860.00
  date: 1000000.00
  date: 1500001.00
  date: 1500000.00
  date: 1400000.00
  date: 1300000.00
  date: 1200000.00
  date: 1100000.00
  date: 1000000.00
  date--verbose: 1577872860.00
  date--verbose: 1000000.00
  date--verbose: 1500001.00
  date--verbose: 1500000.00
  date--verbose: 1400000.00
  date--verbose: 1300000.00
  date--verbose: 1200000.00
  date--verbose: 1100000.00
  date--verbose: 1000000.00
  date--debug: 1577872860.00
  date--debug: 1000000.00
  date--debug: 1500001.00
  date--debug: 1500000.00
  date--debug: 1400000.00
  date--debug: 1300000.00
  date--debug: 1200000.00
  date--debug: 1100000.00
  date--debug: 1000000.00
  desc: third
  desc: second
  desc: merge
  desc: new head
  desc: new branch
  desc: no user, no domain
  desc: no person
  desc: other 1
  other 2
  
  other 3
  desc: line 1
  line 2
  desc--verbose: third
  desc--verbose: second
  desc--verbose: merge
  desc--verbose: new head
  desc--verbose: new branch
  desc--verbose: no user, no domain
  desc--verbose: no person
  desc--verbose: other 1
  other 2
  
  other 3
  desc--verbose: line 1
  line 2
  desc--debug: third
  desc--debug: second
  desc--debug: merge
  desc--debug: new head
  desc--debug: new branch
  desc--debug: no user, no domain
  desc--debug: no person
  desc--debug: other 1
  other 2
  
  other 3
  desc--debug: line 1
  line 2
  file_adds: fourth third
  file_adds: second
  file_adds: 
  file_adds: d
  file_adds: 
  file_adds: 
  file_adds: c
  file_adds: b
  file_adds: a
  file_adds--verbose: fourth third
  file_adds--verbose: second
  file_adds--verbose: 
  file_adds--verbose: d
  file_adds--verbose: 
  file_adds--verbose: 
  file_adds--verbose: c
  file_adds--verbose: b
  file_adds--verbose: a
  file_adds--debug: fourth third
  file_adds--debug: second
  file_adds--debug: 
  file_adds--debug: d
  file_adds--debug: 
  file_adds--debug: 
  file_adds--debug: c
  file_adds--debug: b
  file_adds--debug: a
  file_dels: second
  file_dels: 
  file_dels: 
  file_dels: 
  file_dels: 
  file_dels: 
  file_dels: 
  file_dels: 
  file_dels: 
  file_dels--verbose: second
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--verbose: 
  file_dels--debug: second
  file_dels--debug: 
  file_dels--debug: 
  file_dels--debug: 
  file_dels--debug: 
  file_dels--debug: 
  file_dels--debug: 
  file_dels--debug: 
  file_dels--debug: 
  file_mods: 
  file_mods: 
  file_mods: 
  file_mods: 
  file_mods: 
  file_mods: c
  file_mods: 
  file_mods: 
  file_mods: 
  file_mods--verbose: 
  file_mods--verbose: 
  file_mods--verbose: 
  file_mods--verbose: 
  file_mods--verbose: 
  file_mods--verbose: c
  file_mods--verbose: 
  file_mods--verbose: 
  file_mods--verbose: 
  file_mods--debug: 
  file_mods--debug: 
  file_mods--debug: 
  file_mods--debug: 
  file_mods--debug: 
  file_mods--debug: c
  file_mods--debug: 
  file_mods--debug: 
  file_mods--debug: 
  file_copies: fourth (second)
  file_copies: 
  file_copies: 
  file_copies: 
  file_copies: 
  file_copies: 
  file_copies: 
  file_copies: 
  file_copies: 
  file_copies--verbose: fourth (second)
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--verbose: 
  file_copies--debug: fourth (second)
  file_copies--debug: 
  file_copies--debug: 
  file_copies--debug: 
  file_copies--debug: 
  file_copies--debug: 
  file_copies--debug: 
  file_copies--debug: 
  file_copies--debug: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--verbose: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  file_copies_switch--debug: 
  files: fourth second third
  files: second
  files: 
  files: d
  files: 
  files: c
  files: c
  files: b
  files: a
  files--verbose: fourth second third
  files--verbose: second
  files--verbose: 
  files--verbose: d
  files--verbose: 
  files--verbose: c
  files--verbose: c
  files--verbose: b
  files--verbose: a
  files--debug: fourth second third
  files--debug: second
  files--debug: 
  files--debug: d
  files--debug: 
  files--debug: c
  files--debug: c
  files--debug: b
  files--debug: a
  manifest: 6:94961b75a2da
  manifest: 5:f2dbc354b94e
  manifest: 4:4dc3def4f9b4
  manifest: 4:4dc3def4f9b4
  manifest: 3:cb5a1327723b
  manifest: 3:cb5a1327723b
  manifest: 2:6e0e82995c35
  manifest: 1:4e8d705b1e53
  manifest: 0:a0c8bcbbb45c
  manifest--verbose: 6:94961b75a2da
  manifest--verbose: 5:f2dbc354b94e
  manifest--verbose: 4:4dc3def4f9b4
  manifest--verbose: 4:4dc3def4f9b4
  manifest--verbose: 3:cb5a1327723b
  manifest--verbose: 3:cb5a1327723b
  manifest--verbose: 2:6e0e82995c35
  manifest--verbose: 1:4e8d705b1e53
  manifest--verbose: 0:a0c8bcbbb45c
  manifest--debug: 6:94961b75a2da554b4df6fb599e5bfc7d48de0c64
  manifest--debug: 5:f2dbc354b94e5ec0b4f10680ee0cee816101d0bf
  manifest--debug: 4:4dc3def4f9b4c6e8de820f6ee74737f91e96a216
  manifest--debug: 4:4dc3def4f9b4c6e8de820f6ee74737f91e96a216
  manifest--debug: 3:cb5a1327723bada42f117e4c55a303246eaf9ccc
  manifest--debug: 3:cb5a1327723bada42f117e4c55a303246eaf9ccc
  manifest--debug: 2:6e0e82995c35d0d57a52aca8da4e56139e06b4b1
  manifest--debug: 1:4e8d705b1e53e3f9375e0e60dc7b525d8211fe55
  manifest--debug: 0:a0c8bcbbb45c63b90b70ad007bf38961f64f2af0
  node: 95c24699272ef57d062b8bccc32c878bf841784a
  node: 29114dbae42b9f078cf2714dbe3a86bba8ec7453
  node: d41e714fe50d9e4a5f11b4d595d543481b5f980b
  node: 13207e5a10d9fd28ec424934298e176197f2c67f
  node: bbe44766e73d5f11ed2177f1838de10c53ef3e74
  node: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  node: 97054abb4ab824450e9164180baf491ae0078465
  node: b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  node: 1e4e1b8f71e05681d422154f5421e385fec3454f
  node--verbose: 95c24699272ef57d062b8bccc32c878bf841784a
  node--verbose: 29114dbae42b9f078cf2714dbe3a86bba8ec7453
  node--verbose: d41e714fe50d9e4a5f11b4d595d543481b5f980b
  node--verbose: 13207e5a10d9fd28ec424934298e176197f2c67f
  node--verbose: bbe44766e73d5f11ed2177f1838de10c53ef3e74
  node--verbose: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  node--verbose: 97054abb4ab824450e9164180baf491ae0078465
  node--verbose: b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  node--verbose: 1e4e1b8f71e05681d422154f5421e385fec3454f
  node--debug: 95c24699272ef57d062b8bccc32c878bf841784a
  node--debug: 29114dbae42b9f078cf2714dbe3a86bba8ec7453
  node--debug: d41e714fe50d9e4a5f11b4d595d543481b5f980b
  node--debug: 13207e5a10d9fd28ec424934298e176197f2c67f
  node--debug: bbe44766e73d5f11ed2177f1838de10c53ef3e74
  node--debug: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  node--debug: 97054abb4ab824450e9164180baf491ae0078465
  node--debug: b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  node--debug: 1e4e1b8f71e05681d422154f5421e385fec3454f
  parents: 
  parents: -1:000000000000 
  parents: 5:13207e5a10d9 4:bbe44766e73d 
  parents: 3:10e46f2dcbf4 
  parents: 
  parents: 
  parents: 
  parents: 
  parents: 
  parents--verbose: 
  parents--verbose: -1:000000000000 
  parents--verbose: 5:13207e5a10d9 4:bbe44766e73d 
  parents--verbose: 3:10e46f2dcbf4 
  parents--verbose: 
  parents--verbose: 
  parents--verbose: 
  parents--verbose: 
  parents--verbose: 
  parents--debug: 7:29114dbae42b9f078cf2714dbe3a86bba8ec7453 -1:0000000000000000000000000000000000000000 
  parents--debug: -1:0000000000000000000000000000000000000000 -1:0000000000000000000000000000000000000000 
  parents--debug: 5:13207e5a10d9fd28ec424934298e176197f2c67f 4:bbe44766e73d5f11ed2177f1838de10c53ef3e74 
  parents--debug: 3:10e46f2dcbf4823578cf180f33ecf0b957964c47 -1:0000000000000000000000000000000000000000 
  parents--debug: 3:10e46f2dcbf4823578cf180f33ecf0b957964c47 -1:0000000000000000000000000000000000000000 
  parents--debug: 2:97054abb4ab824450e9164180baf491ae0078465 -1:0000000000000000000000000000000000000000 
  parents--debug: 1:b608e9d1a3f0273ccf70fb85fd6866b3482bf965 -1:0000000000000000000000000000000000000000 
  parents--debug: 0:1e4e1b8f71e05681d422154f5421e385fec3454f -1:0000000000000000000000000000000000000000 
  parents--debug: -1:0000000000000000000000000000000000000000 -1:0000000000000000000000000000000000000000 
  rev: 8
  rev: 7
  rev: 6
  rev: 5
  rev: 4
  rev: 3
  rev: 2
  rev: 1
  rev: 0
  rev--verbose: 8
  rev--verbose: 7
  rev--verbose: 6
  rev--verbose: 5
  rev--verbose: 4
  rev--verbose: 3
  rev--verbose: 2
  rev--verbose: 1
  rev--verbose: 0
  rev--debug: 8
  rev--debug: 7
  rev--debug: 6
  rev--debug: 5
  rev--debug: 4
  rev--debug: 3
  rev--debug: 2
  rev--debug: 1
  rev--debug: 0
  tags: tip
  tags: 
  tags: 
  tags: 
  tags: 
  tags: 
  tags: 
  tags: 
  tags: 
  tags--verbose: tip
  tags--verbose: 
  tags--verbose: 
  tags--verbose: 
  tags--verbose: 
  tags--verbose: 
  tags--verbose: 
  tags--verbose: 
  tags--verbose: 
  tags--debug: tip
  tags--debug: 
  tags--debug: 
  tags--debug: 
  tags--debug: 
  tags--debug: 
  tags--debug: 
  tags--debug: 
  tags--debug: 
  diffstat: 3: +2/-1
  diffstat: 1: +1/-0
  diffstat: 0: +0/-0
  diffstat: 1: +1/-0
  diffstat: 0: +0/-0
  diffstat: 1: +1/-0
  diffstat: 1: +4/-0
  diffstat: 1: +2/-0
  diffstat: 1: +1/-0
  diffstat--verbose: 3: +2/-1
  diffstat--verbose: 1: +1/-0
  diffstat--verbose: 0: +0/-0
  diffstat--verbose: 1: +1/-0
  diffstat--verbose: 0: +0/-0
  diffstat--verbose: 1: +1/-0
  diffstat--verbose: 1: +4/-0
  diffstat--verbose: 1: +2/-0
  diffstat--verbose: 1: +1/-0
  diffstat--debug: 3: +2/-1
  diffstat--debug: 1: +1/-0
  diffstat--debug: 0: +0/-0
  diffstat--debug: 1: +1/-0
  diffstat--debug: 0: +0/-0
  diffstat--debug: 1: +1/-0
  diffstat--debug: 1: +4/-0
  diffstat--debug: 1: +2/-0
  diffstat--debug: 1: +1/-0
  extras: branch=default
  extras: branch=default
  extras: branch=default
  extras: branch=default
  extras: branch=foo
  extras: branch=default
  extras: branch=default
  extras: branch=default
  extras: branch=default
  extras--verbose: branch=default
  extras--verbose: branch=default
  extras--verbose: branch=default
  extras--verbose: branch=default
  extras--verbose: branch=foo
  extras--verbose: branch=default
  extras--verbose: branch=default
  extras--verbose: branch=default
  extras--verbose: branch=default
  extras--debug: branch=default
  extras--debug: branch=default
  extras--debug: branch=default
  extras--debug: branch=default
  extras--debug: branch=foo
  extras--debug: branch=default
  extras--debug: branch=default
  extras--debug: branch=default
  extras--debug: branch=default
  p1rev: 7
  p1rev: -1
  p1rev: 5
  p1rev: 3
  p1rev: 3
  p1rev: 2
  p1rev: 1
  p1rev: 0
  p1rev: -1
  p1rev--verbose: 7
  p1rev--verbose: -1
  p1rev--verbose: 5
  p1rev--verbose: 3
  p1rev--verbose: 3
  p1rev--verbose: 2
  p1rev--verbose: 1
  p1rev--verbose: 0
  p1rev--verbose: -1
  p1rev--debug: 7
  p1rev--debug: -1
  p1rev--debug: 5
  p1rev--debug: 3
  p1rev--debug: 3
  p1rev--debug: 2
  p1rev--debug: 1
  p1rev--debug: 0
  p1rev--debug: -1
  p2rev: -1
  p2rev: -1
  p2rev: 4
  p2rev: -1
  p2rev: -1
  p2rev: -1
  p2rev: -1
  p2rev: -1
  p2rev: -1
  p2rev--verbose: -1
  p2rev--verbose: -1
  p2rev--verbose: 4
  p2rev--verbose: -1
  p2rev--verbose: -1
  p2rev--verbose: -1
  p2rev--verbose: -1
  p2rev--verbose: -1
  p2rev--verbose: -1
  p2rev--debug: -1
  p2rev--debug: -1
  p2rev--debug: 4
  p2rev--debug: -1
  p2rev--debug: -1
  p2rev--debug: -1
  p2rev--debug: -1
  p2rev--debug: -1
  p2rev--debug: -1
  p1node: 29114dbae42b9f078cf2714dbe3a86bba8ec7453
  p1node: 0000000000000000000000000000000000000000
  p1node: 13207e5a10d9fd28ec424934298e176197f2c67f
  p1node: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  p1node: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  p1node: 97054abb4ab824450e9164180baf491ae0078465
  p1node: b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  p1node: 1e4e1b8f71e05681d422154f5421e385fec3454f
  p1node: 0000000000000000000000000000000000000000
  p1node--verbose: 29114dbae42b9f078cf2714dbe3a86bba8ec7453
  p1node--verbose: 0000000000000000000000000000000000000000
  p1node--verbose: 13207e5a10d9fd28ec424934298e176197f2c67f
  p1node--verbose: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  p1node--verbose: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  p1node--verbose: 97054abb4ab824450e9164180baf491ae0078465
  p1node--verbose: b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  p1node--verbose: 1e4e1b8f71e05681d422154f5421e385fec3454f
  p1node--verbose: 0000000000000000000000000000000000000000
  p1node--debug: 29114dbae42b9f078cf2714dbe3a86bba8ec7453
  p1node--debug: 0000000000000000000000000000000000000000
  p1node--debug: 13207e5a10d9fd28ec424934298e176197f2c67f
  p1node--debug: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  p1node--debug: 10e46f2dcbf4823578cf180f33ecf0b957964c47
  p1node--debug: 97054abb4ab824450e9164180baf491ae0078465
  p1node--debug: b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  p1node--debug: 1e4e1b8f71e05681d422154f5421e385fec3454f
  p1node--debug: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node: bbe44766e73d5f11ed2177f1838de10c53ef3e74
  p2node: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: bbe44766e73d5f11ed2177f1838de10c53ef3e74
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--verbose: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: bbe44766e73d5f11ed2177f1838de10c53ef3e74
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  p2node--debug: 0000000000000000000000000000000000000000
  user: test
  user: User Name <user@hostname>
  user: person
  user: person
  user: person
  user: person
  user: other@place
  user: A. N. Other <other@place>
  user: User Name <user@hostname>
  user--verbose: test
  user--verbose: User Name <user@hostname>
  user--verbose: person
  user--verbose: person
  user--verbose: person
  user--verbose: person
  user--verbose: other@place
  user--verbose: A. N. Other <other@place>
  user--verbose: User Name <user@hostname>
  user--debug: test
  user--debug: User Name <user@hostname>
  user--debug: person
  user--debug: person
  user--debug: person
  user--debug: person
  user--debug: other@place
  user--debug: A. N. Other <other@place>
  user--debug: User Name <user@hostname>

Add a dummy commit to make up for the instability of the above:

  $ echo a > a
  $ hg add a
  $ hg ci -m future

Add a commit that does all possible modifications at once

  $ echo modify >> third
  $ touch b
  $ hg add b
  $ hg mv fourth fifth
  $ hg rm a
  $ hg ci -m "Modify, add, remove, rename"

Test files list:

  $ hg log -l1 -T '{join(file_mods, " ")}\n'
  third
  $ hg log -l1 -T '{file_mods % "{file}\n"}'
  third
  $ hg log -l1 -T '{file_mods % "{path}\n"}'
  third

  $ hg log -l1 -T '{join(files, " ")}\n'
  a b fifth fourth third
  $ hg log -l1 -T '{files % "{file}\n"}'
  a
  b
  fifth
  fourth
  third
  $ hg log -l1 -T '{files % "{path}\n"}'
  a
  b
  fifth
  fourth
  third

Test files lists on merge commit:

  $ hg co '.^' -q
  $ touch c
  $ hg add c
  $ hg ci -qm 'add file'
  $ hg merge 10 -q
  $ hg ci -m 'merge'
  $ hg log -l1 -T '{files}\n'
  
  $ hg log -l1 -T '{file_mods}\n'
  
  $ hg log -l1 -T '{file_adds}\n'
  
  $ hg log -l1 -T '{file_dels}\n'
  

Test file copies dict:

  $ hg log -r8 -T '{join(file_copies, " ")}\n'
  fourth (second)
  $ hg log -r8 -T '{file_copies % "{name} <- {source}\n"}'
  fourth <- second
  $ hg log -r8 -T '{file_copies % "{path} <- {source}\n"}'
  fourth <- second

  $ hg log -r8 -T '{join(file_copies_switch, " ")}\n'
  
  $ hg log -r8 -C -T '{join(file_copies_switch, " ")}\n'
  fourth (second)
  $ hg log -r8 -C -T '{file_copies_switch % "{name} <- {source}\n"}'
  fourth <- second
  $ hg log -r8 -C -T '{file_copies_switch % "{path} <- {source}\n"}'
  fourth <- second

Test file attributes:

  $ hg log -r10 -T '{files % "{status} {pad(size, 3, left=True)} {path}\n"}'
  R     a
  A   0 b
  A   7 fifth
  R     fourth
  M  13 third

Test file status including clean ones:

  $ hg log -r9 -T '{files("**") % "{status} {path}\n"}'
  A a
  C fourth
  C third

Test index keyword:

  $ hg log -r 10:9 -T '{index + 10}{files % " {index}:{file}"}\n'
  10 0:a 1:b 2:fifth 3:fourth 4:third
  11 0:a

  $ hg branches -T '{index} {branch}\n'
  0 default
  1 foo

p1/p2 keywords:

  $ hg log -r4:7 -GT '{rev} p1:{p1} p2:{p2} p1.rev:{p1.rev} p2.node:{p2.node}\n'
  o  7 p1:-1:000000000000 p2:-1:000000000000 p1.rev:-1 p2.node:0000000000000000000000000000000000000000
  
  o    6 p1:5:13207e5a10d9 p2:4:bbe44766e73d p1.rev:5 p2.node:bbe44766e73d5f11ed2177f1838de10c53ef3e74
  |\
  | o  5 p1:3:10e46f2dcbf4 p2:-1:000000000000 p1.rev:3 p2.node:0000000000000000000000000000000000000000
  | |
  | ~
  o  4 p1:3:10e46f2dcbf4 p2:-1:000000000000 p1.rev:3 p2.node:0000000000000000000000000000000000000000
  |
  ~

TODO: no idea what should be displayed as a JSON representation
  $ hg log -r6 -T 'p1:{p1|json}\np2:{p2|json}\n'
  p1:{}
  p2:{}

ui verbosity:

  $ hg log -l1 -T '{verbosity}\n'
  
  $ hg log -l1 -T '{verbosity}\n' --debug
  debug
  $ hg log -l1 -T '{verbosity}\n' --quiet
  quiet
  $ hg log -l1 -T '{verbosity}\n' --verbose
  verbose

  $ cd ..

latesttag:

  $ hg init latesttag
  $ cd latesttag

  $ echo a > file
  $ hg ci -Am a -d '0 0'
  adding file

  $ echo b >> file
  $ hg ci -m b -d '1 0'

  $ echo c >> head1
  $ hg ci -Am h1c -d '2 0'
  adding head1

  $ hg update -q 1
  $ echo d >> head2
  $ hg ci -Am h2d -d '3 0'
  adding head2
  created new head

  $ echo e >> head2
  $ hg ci -m h2e -d '4 0'

  $ hg merge -q
  $ hg ci -m merge -d '5 -3600'

No tag set:

  $ hg log -G --template '{rev}: {latesttag}+{latesttagdistance}\n'
  @    5: null+5
  |\
  | o  4: null+4
  | |
  | o  3: null+3
  | |
  o |  2: null+3
  |/
  o  1: null+2
  |
  o  0: null+1
  

One common tag: longest path wins for {latesttagdistance}:

  $ hg tag -r 1 -m t1 -d '6 0' t1
  $ hg log -G --template '{rev}: {latesttag}+{latesttagdistance}\n'
  @  6: t1+4
  |
  o    5: t1+3
  |\
  | o  4: t1+2
  | |
  | o  3: t1+1
  | |
  o |  2: t1+1
  |/
  o  1: t1+0
  |
  o  0: null+1
  

One ancestor tag: closest wins:

  $ hg tag -r 2 -m t2 -d '7 0' t2
  $ hg log -G --template '{rev}: {latesttag}+{latesttagdistance}\n'
  @  7: t2+3
  |
  o  6: t2+2
  |
  o    5: t2+1
  |\
  | o  4: t1+2
  | |
  | o  3: t1+1
  | |
  o |  2: t2+0
  |/
  o  1: t1+0
  |
  o  0: null+1
  

Two branch tags: more recent wins if same number of changes:

  $ hg tag -r 3 -m t3 -d '8 0' t3
  $ hg log -G --template '{rev}: {latesttag}+{latesttagdistance}\n'
  @  8: t3+5
  |
  o  7: t3+4
  |
  o  6: t3+3
  |
  o    5: t3+2
  |\
  | o  4: t3+1
  | |
  | o  3: t3+0
  | |
  o |  2: t2+0
  |/
  o  1: t1+0
  |
  o  0: null+1
  

Two branch tags: fewest changes wins:

  $ hg tag -r 4 -m t4 -d '4 0' t4 # older than t2, but should not matter
  $ hg log -G --template "{rev}: {latesttag % '{tag}+{distance},{changes} '}\n"
  @  9: t4+5,6
  |
  o  8: t4+4,5
  |
  o  7: t4+3,4
  |
  o  6: t4+2,3
  |
  o    5: t4+1,2
  |\
  | o  4: t4+0,0
  | |
  | o  3: t3+0,0
  | |
  o |  2: t2+0,0
  |/
  o  1: t1+0,0
  |
  o  0: null+1,1
  

Merged tag overrides:

  $ hg tag -r 5 -m t5 -d '9 0' t5
  $ hg tag -r 3 -m at3 -d '10 0' at3
  $ hg log -G --template '{rev}: {latesttag}+{latesttagdistance}\n'
  @  11: t5+6
  |
  o  10: t5+5
  |
  o  9: t5+4
  |
  o  8: t5+3
  |
  o  7: t5+2
  |
  o  6: t5+1
  |
  o    5: t5+0
  |\
  | o  4: t4+0
  | |
  | o  3: at3:t3+0
  | |
  o |  2: t2+0
  |/
  o  1: t1+0
  |
  o  0: null+1
  

  $ hg log -G --template "{rev}: {latesttag % '{tag}+{distance},{changes} '}\n"
  @  11: t5+6,6
  |
  o  10: t5+5,5
  |
  o  9: t5+4,4
  |
  o  8: t5+3,3
  |
  o  7: t5+2,2
  |
  o  6: t5+1,1
  |
  o    5: t5+0,0
  |\
  | o  4: t4+0,0
  | |
  | o  3: at3+0,0 t3+0,0
  | |
  o |  2: t2+0,0
  |/
  o  1: t1+0,0
  |
  o  0: null+1,1
  

Tags of working-directory parents (issue6055):

  $ hg update -q 3
  $ echo a > head3
  $ hg ci -qAm h3a
  $ hg merge -q 2
  $ hg log -Gr'::wdir()' -T "{rev}: {latesttag % '{tag}+{distance},{changes} '}\n"
  o    2147483647: at3+2,3 t3+2,3
  |\
  | @  12: at3+1,1 t3+1,1
  | |
  | o  3: at3+0,0 t3+0,0
  | |
  @ |  2: t2+0,0
  |/
  o  1: t1+0,0
  |
  o  0: null+1,1
  

  $ hg ci -m merge
  $ hg log -Gr'::.' -T "{rev}: {latesttag % '{tag}+{distance},{changes} '}\n"
  @    13: at3+2,3 t3+2,3
  |\
  | o  12: at3+1,1 t3+1,1
  | |
  | o  3: at3+0,0 t3+0,0
  | |
  o |  2: t2+0,0
  |/
  o  1: t1+0,0
  |
  o  0: null+1,1
  

  $ cd ..

Set up repository containing template fragments in commit metadata:

  $ hg init r
  $ cd r
  $ echo a > a
  $ hg ci -Am '{rev}'
  adding a

  $ hg branch -q 'text.{rev}'
  $ echo aa >> aa
  $ hg ci -u '{node|short}' -m 'desc to be wrapped desc to be wrapped'

Test termwidth:

  $ COLUMNS=25 hg log -l1 --template '{fill(desc, termwidth, "{node|short}:", "termwidth.{rev}:")}'
  bcc7ff960b8e:desc to be
  termwidth.1:wrapped desc
  termwidth.1:to be wrapped (no-eol)

Just one more commit:

  $ echo b > b
  $ hg ci -qAm b

Test 'originalnode'

  $ hg log -r 1 -T '{revset("null") % "{node|short} {originalnode|short}"}\n'
  000000000000 bcc7ff960b8e
  $ hg log -r 0 -T '{manifest % "{node} {originalnode}"}\n'
  a0c8bcbbb45c63b90b70ad007bf38961f64f2af0 f7769ec2ab975ad19684098ad1ffd9b81ecc71a1

Test active bookmark templating

  $ hg book foo
  $ hg book bar
  $ hg log --template "{rev} {bookmarks % '{bookmark}{ifeq(bookmark, active, \"*\")} '}\n"
  2 bar* foo 
  1 
  0 
  $ hg log --template "{rev} {activebookmark}\n"
  2 bar
  1 
  0 
  $ hg bookmarks --inactive bar
  $ hg log --template "{rev} {activebookmark}\n"
  2 
  1 
  0 
  $ hg book -r1 baz
  $ hg log --template "{rev} {join(bookmarks, ' ')}\n"
  2 bar foo
  1 baz
  0 
  $ hg log --template "{rev} {ifcontains('foo', bookmarks, 't', 'f')}\n"
  2 t
  1 f
  0 f

Test namespaces dict

  $ hg --config extensions.revnamesext=$TESTDIR/revnamesext.py log -T '{rev}\n{namespaces % " {namespace} color={colorname} builtin={builtin}\n  {join(names, ",")}\n"}\n'
  2
   bookmarks color=bookmark builtin=True
    bar,foo
   tags color=tag builtin=True
    tip
   branches color=branch builtin=True
    text.{rev}
   revnames color=revname builtin=False
    r2
  
  1
   bookmarks color=bookmark builtin=True
    baz
   tags color=tag builtin=True
    
   branches color=branch builtin=True
    text.{rev}
   revnames color=revname builtin=False
    r1
  
  0
   bookmarks color=bookmark builtin=True
    
   tags color=tag builtin=True
    
   branches color=branch builtin=True
    default
   revnames color=revname builtin=False
    r0
  
  $ hg log -r2 -T '{namespaces % "{namespace}: {names}\n"}'
  bookmarks: bar foo
  tags: tip
  branches: text.{rev}
  $ hg log -r2 -T '{namespaces % "{namespace}:\n{names % " {name}\n"}"}'
  bookmarks:
   bar
   foo
  tags:
   tip
  branches:
   text.{rev}
  $ hg log -r2 -T '{get(namespaces, "bookmarks") % "{name}\n"}'
  bar
  foo
  $ hg log -r2 -T '{namespaces.bookmarks % "{bookmark}\n"}'
  bar
  foo

  $ cd ..

Test 'graphwidth' in 'hg log' on various topologies. The key here is that the
printed graphwidths 3, 5, 7, etc. should all line up in their respective
columns. We don't care about other aspects of the graph rendering here.

  $ hg init graphwidth
  $ cd graphwidth

  $ wrappabletext="a a a a a a a a a a a a"

  $ printf "first\n" > file
  $ hg add file
  $ hg commit -m "$wrappabletext"

  $ printf "first\nsecond\n" > file
  $ hg commit -m "$wrappabletext"

  $ hg checkout 0
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ printf "third\nfirst\n" > file
  $ hg commit -m "$wrappabletext"
  created new head

  $ hg merge
  merging file
  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)

  $ hg log --graph -T "{graphwidth}"
  @  3
  |
  | @  5
  |/
  o  3
  
  $ hg commit -m "$wrappabletext"

  $ hg log --graph -T "{graphwidth}"
  @    5
  |\
  | o  5
  | |
  o |  5
  |/
  o  3
  

  $ hg checkout 0
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ printf "third\nfirst\nsecond\n" > file
  $ hg commit -m "$wrappabletext"
  created new head

  $ hg log --graph -T "{graphwidth}"
  @  3
  |
  | o    7
  | |\
  +---o  7
  | |
  | o  5
  |/
  o  3
  

  $ hg log --graph -T "{graphwidth}" -r 3
  o    5
  |\
  ~ ~

  $ hg log --graph -T "{graphwidth}" -r 1
  o  3
  |
  ~

  $ hg merge
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg commit -m "$wrappabletext"

  $ printf "seventh\n" >> file
  $ hg commit -m "$wrappabletext"

  $ hg log --graph -T "{graphwidth}"
  @  3
  |
  o    5
  |\
  | o  5
  | |
  o |    7
  |\ \
  | o |  7
  | |/
  o /  5
  |/
  o  3
  

The point of graphwidth is to allow wrapping that accounts for the space taken
by the graph.

  $ COLUMNS=10 hg log --graph -T "{fill(desc, termwidth - graphwidth)}"
  @  a a a a
  |  a a a a
  |  a a a a
  o    a a a
  |\   a a a
  | |  a a a
  | |  a a a
  | o  a a a
  | |  a a a
  | |  a a a
  | |  a a a
  o |    a a
  |\ \   a a
  | | |  a a
  | | |  a a
  | | |  a a
  | | |  a a
  | o |  a a
  | |/   a a
  | |    a a
  | |    a a
  | |    a a
  | |    a a
  o |  a a a
  |/   a a a
  |    a a a
  |    a a a
  o  a a a a
     a a a a
     a a a a

Something tricky happens when there are elided nodes; the next drawn row of
edges can be more than one column wider, but the graph width only increases by
one column. The remaining columns are added in between the nodes.

  $ hg log --graph -T "{graphwidth}" -r "0|2|4|5"
  o    5
  |\
  | \
  | :\
  o : :  7
  :/ /
  : o  5
  :/
  o  3
  

  $ cd ..