annotate tests/test-template-map.t @ 44363:f7459da77f23

nodemap: introduce an option to use mmap to read the nodemap mapping

The performance and memory benefit is much greater if we don't have to copy all
the data in memory for each information. So we introduce an option (on by
default) to read the data using mmap.

This changeset is the last one definition the API for index support nodemap
data. (they have to be able to use the mmaping).

Below are some benchmark comparing the best we currently have in 5.3 with the
final step of this series (using the persistent nodemap implementation in
Rust). The benchmark run `hg perfindex` with various revset and the following
variants:

Before:

 * do not use the persistent nodemap
 * use the CPython implementation of the index for nodemap
 * use mmapping of the changelog index

After:

 * use the MixedIndex Rust code, with the NodeTree object for nodemap access
   (still in review)
 * use the persistent nodemap data from disk
 * access the persistent nodemap data through mmap
 * use mmapping of the changelog index

The persistent nodemap greatly speed up  most operation on very large
repositories. Some of the previously very fast lookup end up a bit slower because
the persistent nodemap has to be setup. However the absolute slowdown is very
small and won't matters in the big picture.

Here are some numbers (in seconds) for the reference copy of mozilla-try:

Revset            Before   After     abs-change speedup

-10000:           0.004622 0.005532   0.000910  ×   0.83
-10:              0.000050 0.000132   0.000082  ×   0.37
tip               0.000052 0.000085   0.000033  ×   0.61
0 + (-10000:)     0.028222 0.005337  -0.022885  ×   5.29
0                 0.023521 0.000084  -0.023437  × 280.01
(-10000:) + 0     0.235539 0.005308  -0.230231  ×  44.37
(-10:) + :9       0.232883 0.000180  -0.232703  ×1293.79
(-10000:) + (:99) 0.238735 0.005358  -0.233377  ×  44.55
:99 + (-10000:)   0.317942 0.005593  -0.312349  ×  56.84
:9 + (-10:)       0.313372 0.000179  -0.313193  ×1750.68
:9                0.316450 0.000143  -0.316307  ×2212.93


On smaller repositories, the cost of nodemap related operation is not as big, so
the win is much more modest. Yet it helps shaving a handful of millisecond here
and there.

Here are some numbers (in seconds) for the reference copy of mercurial:

Revset            Before   After     abs-change speedup
-10:              0.000065 0.000097   0.000032  × 0.67
tip               0.000063 0.000078   0.000015  × 0.80
0                 0.000561 0.000079  -0.000482  × 7.10
-10000:           0.004609 0.003648  -0.000961  × 1.26
0 + (-10000:)     0.005023 0.003715  -0.001307  × 1.35
(-10:) + :9       0.002187 0.000108  -0.002079  ×20.25
(-10000:) + 0     0.006252 0.003716  -0.002536  × 1.68
(-10000:) + (:99) 0.006367 0.003707  -0.002660  × 1.71
:9 + (-10:)       0.003846 0.000110  -0.003736  ×34.96
:9                0.003854 0.000099  -0.003755  ×38.92
:99 + (-10000:)   0.007644 0.003778  -0.003866  × 2.02

Differential Revision: https://phab.mercurial-scm.org/D7894

Test template map files and styles
==================================

  $ 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"

Make sure user/global hgrc does not affect tests

  $ echo '[ui]' > .hg/hgrc
  $ echo 'logtemplate =' >> .hg/hgrc
  $ echo 'style =' >> .hg/hgrc

Add some simple styles to settings

  $ cat <<'EOF' >> .hg/hgrc
  > [templates]
  > simple = "{rev}\n"
  > simple2 = {rev}\n
  > rev = "should not precede {rev} keyword\n"
  > EOF

  $ hg log -l1 -Tsimple
  8
  $ hg log -l1 -Tsimple2
  8
  $ hg log -l1 -Trev
  should not precede 8 keyword
  $ hg log -l1 -T '{simple}'
  8

Map file shouldn't see user templates:

  $ cat <<EOF > tmpl
  > changeset = 'nothing expanded:{simple}\n'
  > EOF
  $ hg log -l1 --style ./tmpl
  nothing expanded:

Test templates and style maps in files:

  $ echo "{rev}" > tmpl
  $ hg log -l1 -T./tmpl
  8
  $ hg log -l1 -Tblah/blah
  blah/blah (no-eol)

  $ printf 'changeset = "{rev}\\n"\n' > map-simple
  $ hg log -l1 -T./map-simple
  8

 a map file may have [templates] and [templatealias] sections:

  $ cat <<'EOF' > map-simple
  > [templates]
  > changeset = "{a}\n"
  > [templatealias]
  > a = rev
  > EOF
  $ hg log -l1 -T./map-simple
  8

 so it can be included in hgrc

  $ cat <<EOF > myhgrc
  > %include $HGRCPATH
  > %include map-simple
  > [templates]
  > foo = "{changeset}"
  > EOF
  $ HGRCPATH=./myhgrc hg log -l1 -Tfoo
  8
  $ HGRCPATH=./myhgrc hg log -l1 -T'{a}\n'
  8

Test template map inheritance

  $ echo "__base__ = map-cmdline.default" > map-simple
  $ printf 'cset = "changeset: ***{rev}***\\n"\n' >> map-simple
  $ hg log -l1 -T./map-simple
  changeset: ***8***
  tag:         tip
  user:        test
  date:        Wed Jan 01 10:01:00 2020 +0000
  summary:     third
  

Test docheader, docfooter and separator in template map

  $ cat <<'EOF' > map-myjson
  > docheader = '\{\n'
  > docfooter = '\n}\n'
  > separator = ',\n'
  > changeset = ' {dict(rev, node|short)|json}'
  > EOF
  $ hg log -l2 -T./map-myjson
  {
   {"node": "95c24699272e", "rev": 8},
   {"node": "29114dbae42b", "rev": 7}
  }

Test docheader, docfooter and separator in [templates] section

  $ cat <<'EOF' >> .hg/hgrc
  > [templates]
  > myjson = ' {dict(rev, node|short)|json}'
  > myjson:docheader = '\{\n'
  > myjson:docfooter = '\n}\n'
  > myjson:separator = ',\n'
  > :docheader = 'should not be selected as a docheader for literal templates\n'
  > EOF
  $ hg log -l2 -Tmyjson
  {
   {"node": "95c24699272e", "rev": 8},
   {"node": "29114dbae42b", "rev": 7}
  }
  $ hg log -l1 -T'{rev}\n'
  8

Template should precede style option

  $ hg log -l1 --style default -T '{rev}\n'
  8

Add a commit with empty description, to ensure that the templates
below will omit the description line.

  $ echo c >> c
  $ hg add c
  $ hg commit -qm ' '

Default style is like normal output. Phases style should be the same
as default style, except for extra phase lines.

  $ hg log > log.out
  $ hg log --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg log -T phases > phases.out
  $ diff -U 0 log.out phases.out | egrep -v '^---|^\+\+\+|^@@'
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft

  $ hg log -v > log.out
  $ hg log -v --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg log -v -T phases > phases.out
  $ diff -U 0 log.out phases.out | egrep -v '^---|^\+\+\+|^@@'
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft
  +phase:       draft

  $ hg log -q > log.out
  $ hg log -q --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg log -q -T phases > phases.out
  $ cmp log.out phases.out || diff -u log.out phases.out

  $ hg log --debug > log.out
  $ hg log --debug --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg log --debug -T phases > phases.out
  $ cmp log.out phases.out || diff -u log.out phases.out

Default style of working-directory revision should also be the same (but
date may change while running tests):

  $ hg log -r 'wdir()' | sed 's|^date:.*|date:|' > log.out
  $ hg log -r 'wdir()' --style default | sed 's|^date:.*|date:|' > style.out
  $ cmp log.out style.out || diff -u log.out style.out

  $ hg log -r 'wdir()' -v | sed 's|^date:.*|date:|' > log.out
  $ hg log -r 'wdir()' -v --style default | sed 's|^date:.*|date:|' > style.out
  $ cmp log.out style.out || diff -u log.out style.out

  $ hg log -r 'wdir()' -q > log.out
  $ hg log -r 'wdir()' -q --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out

  $ hg log -r 'wdir()' --debug | sed 's|^date:.*|date:|' > log.out
  $ hg log -r 'wdir()' --debug --style default \
  > | sed 's|^date:.*|date:|' > style.out
  $ cmp log.out style.out || diff -u log.out style.out

Default style should also preserve color information (issue2866):

  $ cp $HGRCPATH $HGRCPATH-bak
  $ cat <<EOF >> $HGRCPATH
  > [extensions]
  > color=
  > EOF

  $ hg --color=debug log > log.out
  $ hg --color=debug log --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg --color=debug log -T phases > phases.out
  $ diff -U 0 log.out phases.out | egrep -v '^---|^\+\+\+|^@@'
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]

  $ hg --color=debug -v log > log.out
  $ hg --color=debug -v log --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg --color=debug -v log -T phases > phases.out
  $ diff -U 0 log.out phases.out | egrep -v '^---|^\+\+\+|^@@'
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]
  +[log.phase|phase:       draft]

  $ hg --color=debug -q log > log.out
  $ hg --color=debug -q log --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg --color=debug -q log -T phases > phases.out
  $ cmp log.out phases.out || diff -u log.out phases.out

  $ hg --color=debug --debug log > log.out
  $ hg --color=debug --debug log --style default > style.out
  $ cmp log.out style.out || diff -u log.out style.out
  $ hg --color=debug --debug log -T phases > phases.out
  $ cmp log.out phases.out || diff -u log.out phases.out

  $ mv $HGRCPATH-bak $HGRCPATH

Remove commit with empty commit message, so as to not pollute further
tests.

  $ hg --config extensions.strip= strip -q .

Revision with no copies (used to print a traceback):

  $ hg tip -v --template '\n'
  

Compact style works:

  $ hg log -Tcompact
  8[tip]   95c24699272e   2020-01-01 10:01 +0000   test
    third
  
  7:-1   29114dbae42b   1970-01-12 13:46 +0000   user
    second
  
  6:5,4   d41e714fe50d   1970-01-18 08:40 +0000   person
    merge
  
  5:3   13207e5a10d9   1970-01-18 08:40 +0000   person
    new head
  
  4   bbe44766e73d   1970-01-17 04:53 +0000   person
    new branch
  
  3   10e46f2dcbf4   1970-01-16 01:06 +0000   person
    no user, no domain
  
  2   97054abb4ab8   1970-01-14 21:20 +0000   other
    no person
  
  1   b608e9d1a3f0   1970-01-13 17:33 +0000   other
    other 1
  
  0   1e4e1b8f71e0   1970-01-12 13:46 +0000   user
    line 1
  

  $ hg log -v --style compact
  8[tip]   95c24699272e   2020-01-01 10:01 +0000   test
    third
  
  7:-1   29114dbae42b   1970-01-12 13:46 +0000   User Name <user@hostname>
    second
  
  6:5,4   d41e714fe50d   1970-01-18 08:40 +0000   person
    merge
  
  5:3   13207e5a10d9   1970-01-18 08:40 +0000   person
    new head
  
  4   bbe44766e73d   1970-01-17 04:53 +0000   person
    new branch
  
  3   10e46f2dcbf4   1970-01-16 01:06 +0000   person
    no user, no domain
  
  2   97054abb4ab8   1970-01-14 21:20 +0000   other@place
    no person
  
  1   b608e9d1a3f0   1970-01-13 17:33 +0000   A. N. Other <other@place>
    other 1
  other 2
  
  other 3
  
  0   1e4e1b8f71e0   1970-01-12 13:46 +0000   User Name <user@hostname>
    line 1
  line 2
  

  $ hg log --debug --style compact
  8[tip]:7,-1   95c24699272e   2020-01-01 10:01 +0000   test
    third
  
  7:-1,-1   29114dbae42b   1970-01-12 13:46 +0000   User Name <user@hostname>
    second
  
  6:5,4   d41e714fe50d   1970-01-18 08:40 +0000   person
    merge
  
  5:3,-1   13207e5a10d9   1970-01-18 08:40 +0000   person
    new head
  
  4:3,-1   bbe44766e73d   1970-01-17 04:53 +0000   person
    new branch
  
  3:2,-1   10e46f2dcbf4   1970-01-16 01:06 +0000   person
    no user, no domain
  
  2:1,-1   97054abb4ab8   1970-01-14 21:20 +0000   other@place
    no person
  
  1:0,-1   b608e9d1a3f0   1970-01-13 17:33 +0000   A. N. Other <other@place>
    other 1
  other 2
  
  other 3
  
  0:-1,-1   1e4e1b8f71e0   1970-01-12 13:46 +0000   User Name <user@hostname>
    line 1
  line 2
  

Test xml styles:

  $ hg log --style xml -r 'not all()'
  <?xml version="1.0"?>
  <log>
  </log>

  $ hg log --style xml
  <?xml version="1.0"?>
  <log>
  <logentry revision="8" node="95c24699272ef57d062b8bccc32c878bf841784a">
  <tag>tip</tag>
  <author email="test">test</author>
  <date>2020-01-01T10:01:00+00:00</date>
  <msg xml:space="preserve">third</msg>
  </logentry>
  <logentry revision="7" node="29114dbae42b9f078cf2714dbe3a86bba8ec7453">
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="user@hostname">User Name</author>
  <date>1970-01-12T13:46:40+00:00</date>
  <msg xml:space="preserve">second</msg>
  </logentry>
  <logentry revision="6" node="d41e714fe50d9e4a5f11b4d595d543481b5f980b">
  <parent revision="5" node="13207e5a10d9fd28ec424934298e176197f2c67f" />
  <parent revision="4" node="bbe44766e73d5f11ed2177f1838de10c53ef3e74" />
  <author email="person">person</author>
  <date>1970-01-18T08:40:01+00:00</date>
  <msg xml:space="preserve">merge</msg>
  </logentry>
  <logentry revision="5" node="13207e5a10d9fd28ec424934298e176197f2c67f">
  <parent revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47" />
  <author email="person">person</author>
  <date>1970-01-18T08:40:00+00:00</date>
  <msg xml:space="preserve">new head</msg>
  </logentry>
  <logentry revision="4" node="bbe44766e73d5f11ed2177f1838de10c53ef3e74">
  <branch>foo</branch>
  <author email="person">person</author>
  <date>1970-01-17T04:53:20+00:00</date>
  <msg xml:space="preserve">new branch</msg>
  </logentry>
  <logentry revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47">
  <author email="person">person</author>
  <date>1970-01-16T01:06:40+00:00</date>
  <msg xml:space="preserve">no user, no domain</msg>
  </logentry>
  <logentry revision="2" node="97054abb4ab824450e9164180baf491ae0078465">
  <author email="other@place">other</author>
  <date>1970-01-14T21:20:00+00:00</date>
  <msg xml:space="preserve">no person</msg>
  </logentry>
  <logentry revision="1" node="b608e9d1a3f0273ccf70fb85fd6866b3482bf965">
  <author email="other@place">A. N. Other</author>
  <date>1970-01-13T17:33:20+00:00</date>
  <msg xml:space="preserve">other 1
  other 2
  
  other 3</msg>
  </logentry>
  <logentry revision="0" node="1e4e1b8f71e05681d422154f5421e385fec3454f">
  <author email="user@hostname">User Name</author>
  <date>1970-01-12T13:46:40+00:00</date>
  <msg xml:space="preserve">line 1
  line 2</msg>
  </logentry>
  </log>

  $ hg log -v --style xml
  <?xml version="1.0"?>
  <log>
  <logentry revision="8" node="95c24699272ef57d062b8bccc32c878bf841784a">
  <tag>tip</tag>
  <author email="test">test</author>
  <date>2020-01-01T10:01:00+00:00</date>
  <msg xml:space="preserve">third</msg>
  <paths>
  <path action="A">fourth</path>
  <path action="A">third</path>
  <path action="R">second</path>
  </paths>
  <copies>
  <copy source="second">fourth</copy>
  </copies>
  </logentry>
  <logentry revision="7" node="29114dbae42b9f078cf2714dbe3a86bba8ec7453">
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="user@hostname">User Name</author>
  <date>1970-01-12T13:46:40+00:00</date>
  <msg xml:space="preserve">second</msg>
  <paths>
  <path action="A">second</path>
  </paths>
  </logentry>
  <logentry revision="6" node="d41e714fe50d9e4a5f11b4d595d543481b5f980b">
  <parent revision="5" node="13207e5a10d9fd28ec424934298e176197f2c67f" />
  <parent revision="4" node="bbe44766e73d5f11ed2177f1838de10c53ef3e74" />
  <author email="person">person</author>
  <date>1970-01-18T08:40:01+00:00</date>
  <msg xml:space="preserve">merge</msg>
  <paths>
  </paths>
  </logentry>
  <logentry revision="5" node="13207e5a10d9fd28ec424934298e176197f2c67f">
  <parent revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47" />
  <author email="person">person</author>
  <date>1970-01-18T08:40:00+00:00</date>
  <msg xml:space="preserve">new head</msg>
  <paths>
  <path action="A">d</path>
  </paths>
  </logentry>
  <logentry revision="4" node="bbe44766e73d5f11ed2177f1838de10c53ef3e74">
  <branch>foo</branch>
  <author email="person">person</author>
  <date>1970-01-17T04:53:20+00:00</date>
  <msg xml:space="preserve">new branch</msg>
  <paths>
  </paths>
  </logentry>
  <logentry revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47">
  <author email="person">person</author>
  <date>1970-01-16T01:06:40+00:00</date>
  <msg xml:space="preserve">no user, no domain</msg>
  <paths>
  <path action="M">c</path>
  </paths>
  </logentry>
  <logentry revision="2" node="97054abb4ab824450e9164180baf491ae0078465">
  <author email="other@place">other</author>
  <date>1970-01-14T21:20:00+00:00</date>
  <msg xml:space="preserve">no person</msg>
  <paths>
  <path action="A">c</path>
  </paths>
  </logentry>
  <logentry revision="1" node="b608e9d1a3f0273ccf70fb85fd6866b3482bf965">
  <author email="other@place">A. N. Other</author>
  <date>1970-01-13T17:33:20+00:00</date>
  <msg xml:space="preserve">other 1
  other 2
  
  other 3</msg>
  <paths>
  <path action="A">b</path>
  </paths>
  </logentry>
  <logentry revision="0" node="1e4e1b8f71e05681d422154f5421e385fec3454f">
  <author email="user@hostname">User Name</author>
  <date>1970-01-12T13:46:40+00:00</date>
  <msg xml:space="preserve">line 1
  line 2</msg>
  <paths>
  <path action="A">a</path>
  </paths>
  </logentry>
  </log>

  $ hg log --debug --style xml
  <?xml version="1.0"?>
  <log>
  <logentry revision="8" node="95c24699272ef57d062b8bccc32c878bf841784a">
  <tag>tip</tag>
  <parent revision="7" node="29114dbae42b9f078cf2714dbe3a86bba8ec7453" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="test">test</author>
  <date>2020-01-01T10:01:00+00:00</date>
  <msg xml:space="preserve">third</msg>
  <paths>
  <path action="A">fourth</path>
  <path action="A">third</path>
  <path action="R">second</path>
  </paths>
  <copies>
  <copy source="second">fourth</copy>
  </copies>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="7" node="29114dbae42b9f078cf2714dbe3a86bba8ec7453">
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="user@hostname">User Name</author>
  <date>1970-01-12T13:46:40+00:00</date>
  <msg xml:space="preserve">second</msg>
  <paths>
  <path action="A">second</path>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="6" node="d41e714fe50d9e4a5f11b4d595d543481b5f980b">
  <parent revision="5" node="13207e5a10d9fd28ec424934298e176197f2c67f" />
  <parent revision="4" node="bbe44766e73d5f11ed2177f1838de10c53ef3e74" />
  <author email="person">person</author>
  <date>1970-01-18T08:40:01+00:00</date>
  <msg xml:space="preserve">merge</msg>
  <paths>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="5" node="13207e5a10d9fd28ec424934298e176197f2c67f">
  <parent revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="person">person</author>
  <date>1970-01-18T08:40:00+00:00</date>
  <msg xml:space="preserve">new head</msg>
  <paths>
  <path action="A">d</path>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="4" node="bbe44766e73d5f11ed2177f1838de10c53ef3e74">
  <branch>foo</branch>
  <parent revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="person">person</author>
  <date>1970-01-17T04:53:20+00:00</date>
  <msg xml:space="preserve">new branch</msg>
  <paths>
  </paths>
  <extra key="branch">foo</extra>
  </logentry>
  <logentry revision="3" node="10e46f2dcbf4823578cf180f33ecf0b957964c47">
  <parent revision="2" node="97054abb4ab824450e9164180baf491ae0078465" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="person">person</author>
  <date>1970-01-16T01:06:40+00:00</date>
  <msg xml:space="preserve">no user, no domain</msg>
  <paths>
  <path action="M">c</path>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="2" node="97054abb4ab824450e9164180baf491ae0078465">
  <parent revision="1" node="b608e9d1a3f0273ccf70fb85fd6866b3482bf965" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="other@place">other</author>
  <date>1970-01-14T21:20:00+00:00</date>
  <msg xml:space="preserve">no person</msg>
  <paths>
  <path action="A">c</path>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="1" node="b608e9d1a3f0273ccf70fb85fd6866b3482bf965">
  <parent revision="0" node="1e4e1b8f71e05681d422154f5421e385fec3454f" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="other@place">A. N. Other</author>
  <date>1970-01-13T17:33:20+00:00</date>
  <msg xml:space="preserve">other 1
  other 2
  
  other 3</msg>
  <paths>
  <path action="A">b</path>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  <logentry revision="0" node="1e4e1b8f71e05681d422154f5421e385fec3454f">
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <parent revision="-1" node="0000000000000000000000000000000000000000" />
  <author email="user@hostname">User Name</author>
  <date>1970-01-12T13:46:40+00:00</date>
  <msg xml:space="preserve">line 1
  line 2</msg>
  <paths>
  <path action="A">a</path>
  </paths>
  <extra key="branch">default</extra>
  </logentry>
  </log>


test CBOR style:

  $ cat <<'EOF' > "$TESTTMP/decodecborarray.py"
  > from __future__ import absolute_import
  > from mercurial import (
  >     dispatch,
  >     pycompat,
  > )
  > from mercurial.utils import (
  >     cborutil,
  >     stringutil,
  > )
  > dispatch.initstdio()
  > data = pycompat.stdin.read()
  > # our CBOR decoder doesn't support parsing indefinite-length arrays,
  > # but the log output is indefinite stream by nature.
  > assert data[:1] == cborutil.BEGIN_INDEFINITE_ARRAY
  > assert data[-1:] == cborutil.BREAK
  > items = cborutil.decodeall(data[1:-1])
  > pycompat.stdout.write(stringutil.pprint(items, indent=1) + b'\n')
  > EOF

  $ hg log -k nosuch -Tcbor | "$PYTHON" "$TESTTMP/decodecborarray.py"
  []

  $ hg log -qr0:1 -Tcbor | "$PYTHON" "$TESTTMP/decodecborarray.py"
  [
   {
    'node': '1e4e1b8f71e05681d422154f5421e385fec3454f',
    'rev': 0
   },
   {
    'node': 'b608e9d1a3f0273ccf70fb85fd6866b3482bf965',
    'rev': 1
   }
  ]

  $ hg log -vpr . -Tcbor --stat | "$PYTHON" "$TESTTMP/decodecborarray.py"
  [
   {
    'bookmarks': [],
    'branch': 'default',
    'date': [
     1577872860,
     0
    ],
    'desc': 'third',
    'diff': 'diff -r 29114dbae42b -r 95c24699272e fourth\n--- /dev/null\tThu Jan 01 00:00:00 1970 +0000\n+++ b/fourth\tWed Jan 01 10:01:00 2020 +0000\n@@ -0,0 +1,1 @@\n+second\ndiff -r 29114dbae42b -r 95c24699272e second\n--- a/second\tMon Jan 12 13:46:40 1970 +0000\n+++ /dev/null\tThu Jan 01 00:00:00 1970 +0000\n@@ -1,1 +0,0 @@\n-second\ndiff -r 29114dbae42b -r 95c24699272e third\n--- /dev/null\tThu Jan 01 00:00:00 1970 +0000\n+++ b/third\tWed Jan 01 10:01:00 2020 +0000\n@@ -0,0 +1,1 @@\n+third\n',
    'diffstat': ' fourth |  1 +\n second |  1 -\n third  |  1 +\n 3 files changed, 2 insertions(+), 1 deletions(-)\n',
    'files': [
     'fourth',
     'second',
     'third'
    ],
    'node': '95c24699272ef57d062b8bccc32c878bf841784a',
    'parents': [
     '29114dbae42b9f078cf2714dbe3a86bba8ec7453'
    ],
    'phase': 'draft',
    'rev': 8,
    'tags': [
     'tip'
    ],
    'user': 'test'
   }
  ]

  $ hg log -r . -T'cbor(rev, node|short)' | "$PYTHON" "$TESTTMP/decodecborarray.py"
  [
   {
    'node': '95c24699272e',
    'rev': 8
   }
  ]

  $ hg log -r . -T'cbor()' | "$PYTHON" "$TESTTMP/decodecborarray.py"
  [
   {}
  ]

Test JSON style:

  $ hg log -k nosuch -Tjson
  [
  ]

  $ hg log -qr . -Tjson
  [
   {
    "node": "95c24699272ef57d062b8bccc32c878bf841784a",
    "rev": 8
   }
  ]

  $ hg log -vpr . -Tjson --stat
  [
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1577872860, 0],
    "desc": "third",
    "diff": "diff -r 29114dbae42b -r 95c24699272e fourth\n--- /dev/null\tThu Jan 01 00:00:00 1970 +0000\n+++ b/fourth\tWed Jan 01 10:01:00 2020 +0000\n@@ -0,0 +1,1 @@\n+second\ndiff -r 29114dbae42b -r 95c24699272e second\n--- a/second\tMon Jan 12 13:46:40 1970 +0000\n+++ /dev/null\tThu Jan 01 00:00:00 1970 +0000\n@@ -1,1 +0,0 @@\n-second\ndiff -r 29114dbae42b -r 95c24699272e third\n--- /dev/null\tThu Jan 01 00:00:00 1970 +0000\n+++ b/third\tWed Jan 01 10:01:00 2020 +0000\n@@ -0,0 +1,1 @@\n+third\n",
    "diffstat": " fourth |  1 +\n second |  1 -\n third  |  1 +\n 3 files changed, 2 insertions(+), 1 deletions(-)\n",
    "files": ["fourth", "second", "third"],
    "node": "95c24699272ef57d062b8bccc32c878bf841784a",
    "parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"],
    "phase": "draft",
    "rev": 8,
    "tags": ["tip"],
    "user": "test"
   }
  ]

honor --git but not format-breaking diffopts
  $ hg --config diff.noprefix=True log --git -vpr . -Tjson
  [
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1577872860, 0],
    "desc": "third",
    "diff": "diff --git a/second b/fourth\nrename from second\nrename to fourth\ndiff --git a/third b/third\nnew file mode 100644\n--- /dev/null\n+++ b/third\n@@ -0,0 +1,1 @@\n+third\n",
    "files": ["fourth", "second", "third"],
    "node": "95c24699272ef57d062b8bccc32c878bf841784a",
    "parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"],
    "phase": "draft",
    "rev": 8,
    "tags": ["tip"],
    "user": "test"
   }
  ]

  $ hg log -T json
  [
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1577872860, 0],
    "desc": "third",
    "node": "95c24699272ef57d062b8bccc32c878bf841784a",
    "parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"],
    "phase": "draft",
    "rev": 8,
    "tags": ["tip"],
    "user": "test"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1000000, 0],
    "desc": "second",
    "node": "29114dbae42b9f078cf2714dbe3a86bba8ec7453",
    "parents": ["0000000000000000000000000000000000000000"],
    "phase": "draft",
    "rev": 7,
    "tags": [],
    "user": "User Name <user@hostname>"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1500001, 0],
    "desc": "merge",
    "node": "d41e714fe50d9e4a5f11b4d595d543481b5f980b",
    "parents": ["13207e5a10d9fd28ec424934298e176197f2c67f", "bbe44766e73d5f11ed2177f1838de10c53ef3e74"],
    "phase": "draft",
    "rev": 6,
    "tags": [],
    "user": "person"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1500000, 0],
    "desc": "new head",
    "node": "13207e5a10d9fd28ec424934298e176197f2c67f",
    "parents": ["10e46f2dcbf4823578cf180f33ecf0b957964c47"],
    "phase": "draft",
    "rev": 5,
    "tags": [],
    "user": "person"
   },
   {
    "bookmarks": [],
    "branch": "foo",
    "date": [1400000, 0],
    "desc": "new branch",
    "node": "bbe44766e73d5f11ed2177f1838de10c53ef3e74",
    "parents": ["10e46f2dcbf4823578cf180f33ecf0b957964c47"],
    "phase": "draft",
    "rev": 4,
    "tags": [],
    "user": "person"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1300000, 0],
    "desc": "no user, no domain",
    "node": "10e46f2dcbf4823578cf180f33ecf0b957964c47",
    "parents": ["97054abb4ab824450e9164180baf491ae0078465"],
    "phase": "draft",
    "rev": 3,
    "tags": [],
    "user": "person"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1200000, 0],
    "desc": "no person",
    "node": "97054abb4ab824450e9164180baf491ae0078465",
    "parents": ["b608e9d1a3f0273ccf70fb85fd6866b3482bf965"],
    "phase": "draft",
    "rev": 2,
    "tags": [],
    "user": "other@place"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1100000, 0],
    "desc": "other 1\nother 2\n\nother 3",
    "node": "b608e9d1a3f0273ccf70fb85fd6866b3482bf965",
    "parents": ["1e4e1b8f71e05681d422154f5421e385fec3454f"],
    "phase": "draft",
    "rev": 1,
    "tags": [],
    "user": "A. N. Other <other@place>"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1000000, 0],
    "desc": "line 1\nline 2",
    "node": "1e4e1b8f71e05681d422154f5421e385fec3454f",
    "parents": ["0000000000000000000000000000000000000000"],
    "phase": "draft",
    "rev": 0,
    "tags": [],
    "user": "User Name <user@hostname>"
   }
  ]

  $ hg heads -v -Tjson
  [
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1577872860, 0],
    "desc": "third",
    "files": ["fourth", "second", "third"],
    "node": "95c24699272ef57d062b8bccc32c878bf841784a",
    "parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"],
    "phase": "draft",
    "rev": 8,
    "tags": ["tip"],
    "user": "test"
   },
   {
    "bookmarks": [],
    "branch": "default",
    "date": [1500001, 0],
    "desc": "merge",
    "files": [],
    "node": "d41e714fe50d9e4a5f11b4d595d543481b5f980b",
    "parents": ["13207e5a10d9fd28ec424934298e176197f2c67f", "bbe44766e73d5f11ed2177f1838de10c53ef3e74"],
    "phase": "draft",
    "rev": 6,
    "tags": [],
    "user": "person"
   },
   {
    "bookmarks": [],
    "branch": "foo",
    "date": [1400000, 0],
    "desc": "new branch",
    "files": [],
    "node": "bbe44766e73d5f11ed2177f1838de10c53ef3e74",
    "parents": ["10e46f2dcbf4823578cf180f33ecf0b957964c47"],
    "phase": "draft",
    "rev": 4,
    "tags": [],
    "user": "person"
   }
  ]

  $ hg log --debug -Tjson
  [
   {
    "added": ["fourth", "third"],
    "bookmarks": [],
    "branch": "default",
    "date": [1577872860, 0],
    "desc": "third",
    "extra": {"branch": "default"},
    "manifest": "94961b75a2da554b4df6fb599e5bfc7d48de0c64",
    "modified": [],
    "node": "95c24699272ef57d062b8bccc32c878bf841784a",
    "parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"],
    "phase": "draft",
    "removed": ["second"],
    "rev": 8,
    "tags": ["tip"],
    "user": "test"
   },
   {
    "added": ["second"],
    "bookmarks": [],
    "branch": "default",
    "date": [1000000, 0],
    "desc": "second",
    "extra": {"branch": "default"},
    "manifest": "f2dbc354b94e5ec0b4f10680ee0cee816101d0bf",
    "modified": [],
    "node": "29114dbae42b9f078cf2714dbe3a86bba8ec7453",
    "parents": ["0000000000000000000000000000000000000000"],
    "phase": "draft",
    "removed": [],
    "rev": 7,
    "tags": [],
    "user": "User Name <user@hostname>"
   },
   {
    "added": [],
    "bookmarks": [],
    "branch": "default",
    "date": [1500001, 0],
    "desc": "merge",
    "extra": {"branch": "default"},
    "manifest": "4dc3def4f9b4c6e8de820f6ee74737f91e96a216",
    "modified": [],
    "node": "d41e714fe50d9e4a5f11b4d595d543481b5f980b",
    "parents": ["13207e5a10d9fd28ec424934298e176197f2c67f", "bbe44766e73d5f11ed2177f1838de10c53ef3e74"],
    "phase": "draft",
    "removed": [],
    "rev": 6,
    "tags": [],
    "user": "person"
   },
   {
    "added": ["d"],
    "bookmarks": [],
    "branch": "default",
    "date": [1500000, 0],
    "desc": "new head",
    "extra": {"branch": "default"},
    "manifest": "4dc3def4f9b4c6e8de820f6ee74737f91e96a216",
    "modified": [],
    "node": "13207e5a10d9fd28ec424934298e176197f2c67f",
    "parents": ["10e46f2dcbf4823578cf180f33ecf0b957964c47"],
    "phase": "draft",
    "removed": [],
    "rev": 5,
    "tags": [],
    "user": "person"
   },
   {
    "added": [],
    "bookmarks": [],
    "branch": "foo",
    "date": [1400000, 0],
    "desc": "new branch",
    "extra": {"branch": "foo"},
    "manifest": "cb5a1327723bada42f117e4c55a303246eaf9ccc",
    "modified": [],
    "node": "bbe44766e73d5f11ed2177f1838de10c53ef3e74",
    "parents": ["10e46f2dcbf4823578cf180f33ecf0b957964c47"],
    "phase": "draft",
    "removed": [],
    "rev": 4,
    "tags": [],
    "user": "person"
   },
   {
    "added": [],
    "bookmarks": [],
    "branch": "default",
    "date": [1300000, 0],
    "desc": "no user, no domain",
    "extra": {"branch": "default"},
    "manifest": "cb5a1327723bada42f117e4c55a303246eaf9ccc",
    "modified": ["c"],
    "node": "10e46f2dcbf4823578cf180f33ecf0b957964c47",
    "parents": ["97054abb4ab824450e9164180baf491ae0078465"],
    "phase": "draft",
    "removed": [],
    "rev": 3,
    "tags": [],
    "user": "person"
   },
   {
    "added": ["c"],
    "bookmarks": [],
    "branch": "default",
    "date": [1200000, 0],
    "desc": "no person",
    "extra": {"branch": "default"},
    "manifest": "6e0e82995c35d0d57a52aca8da4e56139e06b4b1",
    "modified": [],
    "node": "97054abb4ab824450e9164180baf491ae0078465",
    "parents": ["b608e9d1a3f0273ccf70fb85fd6866b3482bf965"],
    "phase": "draft",
    "removed": [],
    "rev": 2,
    "tags": [],
    "user": "other@place"
   },
   {
    "added": ["b"],
    "bookmarks": [],
    "branch": "default",
    "date": [1100000, 0],
    "desc": "other 1\nother 2\n\nother 3",
    "extra": {"branch": "default"},
    "manifest": "4e8d705b1e53e3f9375e0e60dc7b525d8211fe55",
    "modified": [],
    "node": "b608e9d1a3f0273ccf70fb85fd6866b3482bf965",
    "parents": ["1e4e1b8f71e05681d422154f5421e385fec3454f"],
    "phase": "draft",
    "removed": [],
    "rev": 1,
    "tags": [],
    "user": "A. N. Other <other@place>"
   },
   {
    "added": ["a"],
    "bookmarks": [],
    "branch": "default",
    "date": [1000000, 0],
    "desc": "line 1\nline 2",
    "extra": {"branch": "default"},
    "manifest": "a0c8bcbbb45c63b90b70ad007bf38961f64f2af0",
    "modified": [],
    "node": "1e4e1b8f71e05681d422154f5421e385fec3454f",
    "parents": ["0000000000000000000000000000000000000000"],
    "phase": "draft",
    "removed": [],
    "rev": 0,
    "tags": [],
    "user": "User Name <user@hostname>"
   }
  ]

  $ hg log -l2 -T'json(rev, parents)'
  [
   {"parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"], "rev": 8},
   {"parents": ["0000000000000000000000000000000000000000"], "rev": 7}
  ]

  $ hg log -qr. -T'json(rev, parents)'
  [
   {"parents": ["29114dbae42b9f078cf2714dbe3a86bba8ec7453"], "rev": 8}
  ]

  $ hg log -r. -T'json(diff)'
  [
   {"diff": "diff -r 29114dbae42b -r 95c24699272e fourth\n--- /dev/null\tThu Jan 01 00:00:00 1970 +0000\n+++ b/fourth\tWed Jan 01 10:01:00 2020 +0000\n@@ -0,0 +1,1 @@\n+second\ndiff -r 29114dbae42b -r 95c24699272e second\n--- a/second\tMon Jan 12 13:46:40 1970 +0000\n+++ /dev/null\tThu Jan 01 00:00:00 1970 +0000\n@@ -1,1 +0,0 @@\n-second\ndiff -r 29114dbae42b -r 95c24699272e third\n--- /dev/null\tThu Jan 01 00:00:00 1970 +0000\n+++ b/third\tWed Jan 01 10:01:00 2020 +0000\n@@ -0,0 +1,1 @@\n+third\n"}
  ]

  $ hg log -r. -T'json(diffstat)'
  [
   {"diffstat": " fourth |  1 +\n second |  1 -\n third  |  1 +\n 3 files changed, 2 insertions(+), 1 deletions(-)\n"}
  ]

  $ hg log -r. -T'json(manifest)'
  [
   {"manifest": "94961b75a2da554b4df6fb599e5bfc7d48de0c64"}
  ]

  $ hg log -r. -T'json(extra)'
  [
   {"extra": {"branch": "default"}}
  ]

  $ hg log -r3 -T'json(modified)'
  [
   {"modified": ["c"]}
  ]

  $ hg log -r. -T'json(added)'
  [
   {"added": ["fourth", "third"]}
  ]

  $ hg log -r. -T'json(removed)'
  [
   {"removed": ["second"]}
  ]

  $ hg log -r. -T'json(files)'
  [
   {"files": ["fourth", "second", "third"]}
  ]

 --copies is the exception. copies dict is built only when --copies switch
 is on:

  $ hg log -r'.^:' -T'json(copies)' --copies
  [
   {"copies": {}},
   {"copies": {"fourth": "second"}}
  ]

  $ hg log -r. -T'json()'
  [
   {}
  ]

Other unsupported formatter styles:

  $ hg log -qr . -Tpickle
  abort: "pickle" not in template map
  [255]
  $ hg log -qr . -Tdebug
  abort: "debug" not in template map
  [255]

Unparsable function-style references:

  $ hg log -qr . -T'json(-)'
  hg: parse error at 6: not a prefix: )
  (json(-)
         ^ here)
  [255]

For backward compatibility, the following examples are not parsed as
function-style references:

  $ hg log -qr . -T'cbor(rev'
  cbor(rev (no-eol)
  $ hg log -qr . -T'json (rev)'
  json (rev) (no-eol)
  $ hg log -qr . -T'json(x="{rev}")'
  json(x="8") (no-eol)

Error if style not readable:

#if unix-permissions no-root
  $ touch q
  $ chmod 0 q
  $ hg log --style ./q
  abort: Permission denied: './q'
  [255]
#endif

Error if no style:

  $ hg log --style notexist
  abort: style 'notexist' not found
  (available styles: bisect, changelog, compact, default, phases, show, status, xml)
  [255]

  $ hg log -T list
  available styles: bisect, changelog, compact, default, phases, show, status, xml
  abort: specify a template
  [255]

Error if style missing key:

  $ echo 'q = q' > t
  $ hg log --style ./t
  abort: "changeset" not in template map
  [255]

Error if style missing value:

  $ echo 'changeset =' > t
  $ hg log --style t
  hg: parse error at t:1: missing value
  [255]

Error if include fails:

  $ echo 'changeset = q' >> t
#if unix-permissions no-root
  $ hg log --style ./t
  abort: template file ./q: Permission denied
  [255]
  $ rm -f q
#endif

Include works:

  $ echo '{rev}' > q
  $ hg log --style ./t
  8
  7
  6
  5
  4
  3
  2
  1
  0

  $ hg phase -r 5 --public
  $ hg phase -r 7 --secret --force

Missing non-standard names give no error (backward compatibility):

  $ echo "changeset = '{c}'" > t
  $ hg log --style ./t

Defining non-standard name works:

  $ cat <<EOF > t
  > changeset = '{c}'
  > c = q
  > EOF
  $ hg log --style ./t
  8
  7
  6
  5
  4
  3
  2
  1
  0

ui.style works:

  $ echo '[ui]' > .hg/hgrc
  $ echo 'style = t' >> .hg/hgrc
  $ hg log
  8
  7
  6
  5
  4
  3
  2
  1
  0

Issue338:

  $ hg log --style=changelog > changelog

  $ cat changelog
  2020-01-01  test  <test>
  
  	* fourth, second, third:
  	third
  	[95c24699272e] [tip]
  
  1970-01-12  User Name  <user@hostname>
  
  	* second:
  	second
  	[29114dbae42b]
  
  1970-01-18  person  <person>
  
  	* merge
  	[d41e714fe50d]
  
  	* d:
  	new head
  	[13207e5a10d9]
  
  1970-01-17  person  <person>
  
  	* new branch
  	[bbe44766e73d] <foo>
  
  1970-01-16  person  <person>
  
  	* c:
  	no user, no domain
  	[10e46f2dcbf4]
  
  1970-01-14  other  <other@place>
  
  	* c:
  	no person
  	[97054abb4ab8]
  
  1970-01-13  A. N. Other  <other@place>
  
  	* b:
  	other 1 other 2
  
  	other 3
  	[b608e9d1a3f0]
  
  1970-01-12  User Name  <user@hostname>
  
  	* a:
  	line 1 line 2
  	[1e4e1b8f71e0]
  

Issue2130: xml output for 'hg heads' is malformed

  $ hg heads --style changelog
  2020-01-01  test  <test>
  
  	* fourth, second, third:
  	third
  	[95c24699272e] [tip]
  
  1970-01-18  person  <person>
  
  	* merge
  	[d41e714fe50d]
  
  1970-01-17  person  <person>
  
  	* new branch
  	[bbe44766e73d] <foo>
  

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"

Check the status template

  $ cat <<EOF >> $HGRCPATH
  > [extensions]
  > color=
  > EOF

  $ hg log -T status -r 10
  changeset:   10:0f9759ec227a
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     Modify, add, remove, rename
  files:
  M third
  A b
  A fifth
  R a
  R fourth
  
  $ hg log -T status -C -r 10
  changeset:   10:0f9759ec227a
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     Modify, add, remove, rename
  files:
  M third
  A b
  A fifth
    fourth
  R a
  R fourth
  
  $ hg log -T status -C -r 10 -v
  changeset:   10:0f9759ec227a
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  description:
  Modify, add, remove, rename
  
  files:
  M third
  A b
  A fifth
    fourth
  R a
  R fourth
  
  $ hg log -T status -C -r 10 --debug
  changeset:   10:0f9759ec227a4859c2014a345cd8a859022b7c6c
  tag:         tip
  phase:       secret
  parent:      9:bf9dfba36635106d6a73ccc01e28b762da60e066
  parent:      -1:0000000000000000000000000000000000000000
  manifest:    8:89dd546f2de0a9d6d664f58d86097eb97baba567
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  extra:       branch=default
  description:
  Modify, add, remove, rename
  
  files:
  M third
  A b
  A fifth
    fourth
  R a
  R fourth
  
  $ hg log -T status -C -r 10 --quiet
  10:0f9759ec227a
  $ hg --color=debug log -T status -r 10
  [log.changeset changeset.secret|changeset:   10:0f9759ec227a]
  [log.tag|tag:         tip]
  [log.user|user:        test]
  [log.date|date:        Thu Jan 01 00:00:00 1970 +0000]
  [log.summary|summary:     Modify, add, remove, rename]
  [ui.note log.files|files:]
  [status.modified|M third]
  [status.added|A b]
  [status.added|A fifth]
  [status.removed|R a]
  [status.removed|R fourth]
  
  $ hg --color=debug log -T status -C -r 10
  [log.changeset changeset.secret|changeset:   10:0f9759ec227a]
  [log.tag|tag:         tip]
  [log.user|user:        test]
  [log.date|date:        Thu Jan 01 00:00:00 1970 +0000]
  [log.summary|summary:     Modify, add, remove, rename]
  [ui.note log.files|files:]
  [status.modified|M third]
  [status.added|A b]
  [status.added|A fifth]
  [status.copied|  fourth]
  [status.removed|R a]
  [status.removed|R fourth]
  
  $ hg --color=debug log -T status -C -r 10 -v
  [log.changeset changeset.secret|changeset:   10:0f9759ec227a]
  [log.tag|tag:         tip]
  [log.user|user:        test]
  [log.date|date:        Thu Jan 01 00:00:00 1970 +0000]
  [ui.note log.description|description:]
  [ui.note log.description|Modify, add, remove, rename]
  
  [ui.note log.files|files:]
  [status.modified|M third]
  [status.added|A b]
  [status.added|A fifth]
  [status.copied|  fourth]
  [status.removed|R a]
  [status.removed|R fourth]
  
  $ hg --color=debug log -T status -C -r 10 --debug
  [log.changeset changeset.secret|changeset:   10:0f9759ec227a4859c2014a345cd8a859022b7c6c]
  [log.tag|tag:         tip]
  [log.phase|phase:       secret]
  [log.parent changeset.secret|parent:      9:bf9dfba36635106d6a73ccc01e28b762da60e066]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [ui.debug log.manifest|manifest:    8:89dd546f2de0a9d6d664f58d86097eb97baba567]
  [log.user|user:        test]
  [log.date|date:        Thu Jan 01 00:00:00 1970 +0000]
  [ui.debug log.extra|extra:       branch=default]
  [ui.note log.description|description:]
  [ui.note log.description|Modify, add, remove, rename]
  
  [ui.note log.files|files:]
  [status.modified|M third]
  [status.added|A b]
  [status.added|A fifth]
  [status.copied|  fourth]
  [status.removed|R a]
  [status.removed|R fourth]
  
  $ hg --color=debug log -T status -C -r 10 --quiet
  [log.node|10:0f9759ec227a]

Check the bisect template

  $ hg bisect -g 1
  $ hg bisect -b 3 --noupdate
  Testing changeset 2:97054abb4ab8 (2 changesets remaining, ~1 tests)
  $ hg log -T bisect -r 0:4
  changeset:   0:1e4e1b8f71e0
  bisect:      good (implicit)
  user:        User Name <user@hostname>
  date:        Mon Jan 12 13:46:40 1970 +0000
  summary:     line 1
  
  changeset:   1:b608e9d1a3f0
  bisect:      good
  user:        A. N. Other <other@place>
  date:        Tue Jan 13 17:33:20 1970 +0000
  summary:     other 1
  
  changeset:   2:97054abb4ab8
  bisect:      untested
  user:        other@place
  date:        Wed Jan 14 21:20:00 1970 +0000
  summary:     no person
  
  changeset:   3:10e46f2dcbf4
  bisect:      bad
  user:        person
  date:        Fri Jan 16 01:06:40 1970 +0000
  summary:     no user, no domain
  
  changeset:   4:bbe44766e73d
  bisect:      bad (implicit)
  branch:      foo
  user:        person
  date:        Sat Jan 17 04:53:20 1970 +0000
  summary:     new branch
  
  $ hg log --debug -T bisect -r 0:4
  changeset:   0:1e4e1b8f71e05681d422154f5421e385fec3454f
  bisect:      good (implicit)
  phase:       public
  parent:      -1:0000000000000000000000000000000000000000
  parent:      -1:0000000000000000000000000000000000000000
  manifest:    0:a0c8bcbbb45c63b90b70ad007bf38961f64f2af0
  user:        User Name <user@hostname>
  date:        Mon Jan 12 13:46:40 1970 +0000
  files+:      a
  extra:       branch=default
  description:
  line 1
  line 2
  
  
  changeset:   1:b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  bisect:      good
  phase:       public
  parent:      0:1e4e1b8f71e05681d422154f5421e385fec3454f
  parent:      -1:0000000000000000000000000000000000000000
  manifest:    1:4e8d705b1e53e3f9375e0e60dc7b525d8211fe55
  user:        A. N. Other <other@place>
  date:        Tue Jan 13 17:33:20 1970 +0000
  files+:      b
  extra:       branch=default
  description:
  other 1
  other 2
  
  other 3
  
  
  changeset:   2:97054abb4ab824450e9164180baf491ae0078465
  bisect:      untested
  phase:       public
  parent:      1:b608e9d1a3f0273ccf70fb85fd6866b3482bf965
  parent:      -1:0000000000000000000000000000000000000000
  manifest:    2:6e0e82995c35d0d57a52aca8da4e56139e06b4b1
  user:        other@place
  date:        Wed Jan 14 21:20:00 1970 +0000
  files+:      c
  extra:       branch=default
  description:
  no person
  
  
  changeset:   3:10e46f2dcbf4823578cf180f33ecf0b957964c47
  bisect:      bad
  phase:       public
  parent:      2:97054abb4ab824450e9164180baf491ae0078465
  parent:      -1:0000000000000000000000000000000000000000
  manifest:    3:cb5a1327723bada42f117e4c55a303246eaf9ccc
  user:        person
  date:        Fri Jan 16 01:06:40 1970 +0000
  files:       c
  extra:       branch=default
  description:
  no user, no domain
  
  
  changeset:   4:bbe44766e73d5f11ed2177f1838de10c53ef3e74
  bisect:      bad (implicit)
  branch:      foo
  phase:       draft
  parent:      3:10e46f2dcbf4823578cf180f33ecf0b957964c47
  parent:      -1:0000000000000000000000000000000000000000
  manifest:    3:cb5a1327723bada42f117e4c55a303246eaf9ccc
  user:        person
  date:        Sat Jan 17 04:53:20 1970 +0000
  extra:       branch=foo
  description:
  new branch
  
  
  $ hg log -v -T bisect -r 0:4
  changeset:   0:1e4e1b8f71e0
  bisect:      good (implicit)
  user:        User Name <user@hostname>
  date:        Mon Jan 12 13:46:40 1970 +0000
  files:       a
  description:
  line 1
  line 2
  
  
  changeset:   1:b608e9d1a3f0
  bisect:      good
  user:        A. N. Other <other@place>
  date:        Tue Jan 13 17:33:20 1970 +0000
  files:       b
  description:
  other 1
  other 2
  
  other 3
  
  
  changeset:   2:97054abb4ab8
  bisect:      untested
  user:        other@place
  date:        Wed Jan 14 21:20:00 1970 +0000
  files:       c
  description:
  no person
  
  
  changeset:   3:10e46f2dcbf4
  bisect:      bad
  user:        person
  date:        Fri Jan 16 01:06:40 1970 +0000
  files:       c
  description:
  no user, no domain
  
  
  changeset:   4:bbe44766e73d
  bisect:      bad (implicit)
  branch:      foo
  user:        person
  date:        Sat Jan 17 04:53:20 1970 +0000
  description:
  new branch
  
  
  $ hg --color=debug log -T bisect -r 0:4
  [log.changeset changeset.public|changeset:   0:1e4e1b8f71e0]
  [log.bisect bisect.good|bisect:      good (implicit)]
  [log.user|user:        User Name <user@hostname>]
  [log.date|date:        Mon Jan 12 13:46:40 1970 +0000]
  [log.summary|summary:     line 1]
  
  [log.changeset changeset.public|changeset:   1:b608e9d1a3f0]
  [log.bisect bisect.good|bisect:      good]
  [log.user|user:        A. N. Other <other@place>]
  [log.date|date:        Tue Jan 13 17:33:20 1970 +0000]
  [log.summary|summary:     other 1]
  
  [log.changeset changeset.public|changeset:   2:97054abb4ab8]
  [log.bisect bisect.untested|bisect:      untested]
  [log.user|user:        other@place]
  [log.date|date:        Wed Jan 14 21:20:00 1970 +0000]
  [log.summary|summary:     no person]
  
  [log.changeset changeset.public|changeset:   3:10e46f2dcbf4]
  [log.bisect bisect.bad|bisect:      bad]
  [log.user|user:        person]
  [log.date|date:        Fri Jan 16 01:06:40 1970 +0000]
  [log.summary|summary:     no user, no domain]
  
  [log.changeset changeset.draft|changeset:   4:bbe44766e73d]
  [log.bisect bisect.bad|bisect:      bad (implicit)]
  [log.branch|branch:      foo]
  [log.user|user:        person]
  [log.date|date:        Sat Jan 17 04:53:20 1970 +0000]
  [log.summary|summary:     new branch]
  
  $ hg --color=debug log --debug -T bisect -r 0:4
  [log.changeset changeset.public|changeset:   0:1e4e1b8f71e05681d422154f5421e385fec3454f]
  [log.bisect bisect.good|bisect:      good (implicit)]
  [log.phase|phase:       public]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [ui.debug log.manifest|manifest:    0:a0c8bcbbb45c63b90b70ad007bf38961f64f2af0]
  [log.user|user:        User Name <user@hostname>]
  [log.date|date:        Mon Jan 12 13:46:40 1970 +0000]
  [ui.debug log.files|files+:      a]
  [ui.debug log.extra|extra:       branch=default]
  [ui.note log.description|description:]
  [ui.note log.description|line 1
  line 2]
  
  
  [log.changeset changeset.public|changeset:   1:b608e9d1a3f0273ccf70fb85fd6866b3482bf965]
  [log.bisect bisect.good|bisect:      good]
  [log.phase|phase:       public]
  [log.parent changeset.public|parent:      0:1e4e1b8f71e05681d422154f5421e385fec3454f]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [ui.debug log.manifest|manifest:    1:4e8d705b1e53e3f9375e0e60dc7b525d8211fe55]
  [log.user|user:        A. N. Other <other@place>]
  [log.date|date:        Tue Jan 13 17:33:20 1970 +0000]
  [ui.debug log.files|files+:      b]
  [ui.debug log.extra|extra:       branch=default]
  [ui.note log.description|description:]
  [ui.note log.description|other 1
  other 2
  
  other 3]
  
  
  [log.changeset changeset.public|changeset:   2:97054abb4ab824450e9164180baf491ae0078465]
  [log.bisect bisect.untested|bisect:      untested]
  [log.phase|phase:       public]
  [log.parent changeset.public|parent:      1:b608e9d1a3f0273ccf70fb85fd6866b3482bf965]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [ui.debug log.manifest|manifest:    2:6e0e82995c35d0d57a52aca8da4e56139e06b4b1]
  [log.user|user:        other@place]
  [log.date|date:        Wed Jan 14 21:20:00 1970 +0000]
  [ui.debug log.files|files+:      c]
  [ui.debug log.extra|extra:       branch=default]
  [ui.note log.description|description:]
  [ui.note log.description|no person]
  
  
  [log.changeset changeset.public|changeset:   3:10e46f2dcbf4823578cf180f33ecf0b957964c47]
  [log.bisect bisect.bad|bisect:      bad]
  [log.phase|phase:       public]
  [log.parent changeset.public|parent:      2:97054abb4ab824450e9164180baf491ae0078465]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [ui.debug log.manifest|manifest:    3:cb5a1327723bada42f117e4c55a303246eaf9ccc]
  [log.user|user:        person]
  [log.date|date:        Fri Jan 16 01:06:40 1970 +0000]
  [ui.debug log.files|files:       c]
  [ui.debug log.extra|extra:       branch=default]
  [ui.note log.description|description:]
  [ui.note log.description|no user, no domain]
  
  
  [log.changeset changeset.draft|changeset:   4:bbe44766e73d5f11ed2177f1838de10c53ef3e74]
  [log.bisect bisect.bad|bisect:      bad (implicit)]
  [log.branch|branch:      foo]
  [log.phase|phase:       draft]
  [log.parent changeset.public|parent:      3:10e46f2dcbf4823578cf180f33ecf0b957964c47]
  [log.parent changeset.public|parent:      -1:0000000000000000000000000000000000000000]
  [ui.debug log.manifest|manifest:    3:cb5a1327723bada42f117e4c55a303246eaf9ccc]
  [log.user|user:        person]
  [log.date|date:        Sat Jan 17 04:53:20 1970 +0000]
  [ui.debug log.extra|extra:       branch=foo]
  [ui.note log.description|description:]
  [ui.note log.description|new branch]
  
  
  $ hg --color=debug log -v -T bisect -r 0:4
  [log.changeset changeset.public|changeset:   0:1e4e1b8f71e0]
  [log.bisect bisect.good|bisect:      good (implicit)]
  [log.user|user:        User Name <user@hostname>]
  [log.date|date:        Mon Jan 12 13:46:40 1970 +0000]
  [ui.note log.files|files:       a]
  [ui.note log.description|description:]
  [ui.note log.description|line 1
  line 2]
  
  
  [log.changeset changeset.public|changeset:   1:b608e9d1a3f0]
  [log.bisect bisect.good|bisect:      good]
  [log.user|user:        A. N. Other <other@place>]
  [log.date|date:        Tue Jan 13 17:33:20 1970 +0000]
  [ui.note log.files|files:       b]
  [ui.note log.description|description:]
  [ui.note log.description|other 1
  other 2
  
  other 3]
  
  
  [log.changeset changeset.public|changeset:   2:97054abb4ab8]
  [log.bisect bisect.untested|bisect:      untested]
  [log.user|user:        other@place]
  [log.date|date:        Wed Jan 14 21:20:00 1970 +0000]
  [ui.note log.files|files:       c]
  [ui.note log.description|description:]
  [ui.note log.description|no person]
  
  
  [log.changeset changeset.public|changeset:   3:10e46f2dcbf4]
  [log.bisect bisect.bad|bisect:      bad]
  [log.user|user:        person]
  [log.date|date:        Fri Jan 16 01:06:40 1970 +0000]
  [ui.note log.files|files:       c]
  [ui.note log.description|description:]
  [ui.note log.description|no user, no domain]
  
  
  [log.changeset changeset.draft|changeset:   4:bbe44766e73d]
  [log.bisect bisect.bad|bisect:      bad (implicit)]
  [log.branch|branch:      foo]
  [log.user|user:        person]
  [log.date|date:        Sat Jan 17 04:53:20 1970 +0000]
  [ui.note log.description|description:]
  [ui.note log.description|new branch]
  
  
  $ hg bisect --reset

  $ cd ..

Set up latesttag repository:

  $ 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'

  $ hg tag -r 1 -m t1 -d '6 0' t1
  $ hg tag -r 2 -m t2 -d '7 0' t2
  $ hg tag -r 3 -m t3 -d '8 0' t3
  $ hg tag -r 4 -m t4 -d '4 0' t4 # older than t2, but should not matter
  $ hg tag -r 5 -m t5 -d '9 0' t5
  $ hg tag -r 3 -m at3 -d '10 0' at3

  $ cd ..

Style path expansion: issue1948 - ui.style option doesn't work on OSX
if it is a relative path

  $ mkdir -p home/styles

  $ cat > home/styles/teststyle <<EOF
  > changeset = 'test {rev}:{node|short}\n'
  > EOF

  $ HOME=`pwd`/home; export HOME

  $ cat > latesttag/.hg/hgrc <<EOF
  > [ui]
  > style = ~/styles/teststyle
  > EOF

  $ hg -R latesttag tip
  test 11:97e5943b523a

Test recursive showlist template (issue1989):

  $ cat > style1989 <<EOF
  > changeset = '{file_mods}{manifest}{extras}'
  > file_mod  = 'M|{author|person}\n'
  > manifest = '{rev},{author}\n'
  > extra = '{key}: {author}\n'
  > EOF

  $ hg -R latesttag log -r tip --style=style1989
  M|test
  11,
  branch: test