view tests/test-revset.t @ 42044:bb271ec2fbfb

compression: introduce a `storage.revlog.zstd.level` configuration This option control the zstd compression level used when compressing revlog chunk. The usage of zstd for revlog compression has not graduated from experimental yet, but we intend to fix that soon. The option name for the compression level is more straight forward to pick, so this changesets comes first. Having a dedicated option for each compression engine is useful because they don't support the same range of values. I ran the same measurement as for the zlib compression level (in the parent changesets). The variation in repository size is stay mostly in the same (small) range. The "read/write" performance see smallish variation, but are overall much better than zlib. Write performance show the same tend of having better write performance for when reaching high-end compression. Again, we don't intend to change the default zstd compression level (currently: 3) in this series. However this is worth investigating in the future. The Performance comparison of zlib vs zstd is quite impressive. The repository size stay in the same range, but the performance are much better in all situations. Comparison summary ================== We are looking at: - performance range for zlib - performance range for zstd - comparison of default zstd (level-3) to default zlib (level 6) - comparison of the slowest zstd time to the fastest zlib time Read performance: ----------------- | zlib | zstd | cmp | f2s mercurial | 0.170159 - 0.189219 | 0.144127 - 0.149624 | 80% | 88% pypy | 2.679217 - 2.768691 | 1.532317 - 1.705044 | 60% | 63% netbeans | 122.477027 - 141.620281 | 72.996346 - 89.731560 | 58% | 73% mozilla | 147.867662 - 170.572118 | 91.700995 - 105.853099 | 56% | 71% Write performance: ------------------ | zlib | zstd | cmp | f2s mercurial | 53.250304 - 56.2936129 | 40.877025 - 45.677286 | 75% | 86% pypy | 460.721984 - 476.589918 | 270.545409 - 301.002219 | 63% | 65% netbeans | 520.560316 - 715.930400 | 370.356311 - 428.329652 | 55% | 82% mozilla | 739.803002 - 987.056093 | 505.152906 - 591.930683 | 57% | 80% Raw data -------- repo alg lvl .hg/store size 00manifest.d read write mercurial zlib 1 49,402,813 5,963,475 0.170159 53.250304 mercurial zlib 6 47,197,397 5,875,730 0.182820 56.264320 mercurial zlib 9 47,121,596 5,849,781 0.189219 56.293612 mercurial zstd 1 49,737,084 5,966,355 0.144127 40.877025 mercurial zstd 3 48,961,867 5,895,208 0.146376 42.268142 mercurial zstd 5 48,200,592 5,938,676 0.149624 43.162875 mercurial zstd 10 47,833,520 5,913,353 0.145185 44.012489 mercurial zstd 15 47,314,604 5,728,679 0.147686 45.677286 mercurial zstd 20 47,330,502 5,830,539 0.145789 45.025407 mercurial zstd 22 47,330,076 5,830,539 0.143996 44.690460 pypy zlib 1 370,830,572 28,462,425 2.679217 460.721984 pypy zlib 6 340,112,317 27,648,747 2.768691 467.537158 pypy zlib 9 338,360,736 27,639,003 2.763495 476.589918 pypy zstd 1 362,377,479 27,916,214 1.532317 270.545409 pypy zstd 3 354,137,693 27,905,988 1.686718 294.951509 pypy zstd 5 342,640,043 27,655,774 1.705044 301.002219 pypy zstd 10 334,224,327 27,164,493 1.567287 285.186239 pypy zstd 15 329,000,363 26,645,965 1.637729 299.561332 pypy zstd 20 324,534,039 26,199,547 1.526813 302.149827 pypy zstd 22 324,530,595 26,198,932 1.525718 307.821218 netbeans zlib 1 1,281,847,810 165,495,457 122.477027 520.560316 netbeans zlib 6 1,205,284,353 159,161,207 139.876147 715.930400 netbeans zlib 9 1,197,135,671 155,034,586 141.620281 678.297064 netbeans zstd 1 1,259,581,737 160,840,613 72.996346 370.356311 netbeans zstd 3 1,232,978,122 157,691,551 81.622317 396.733087 netbeans zstd 5 1,208,034,075 160,246,880 83.080549 364.342626 netbeans zstd 10 1,188,624,176 156,083,417 79.323935 403.594602 netbeans zstd 15 1,176,973,589 153,859,477 89.731560 428.329652 netbeans zstd 20 1,162,958,258 151,147,535 82.842667 392.335349 netbeans zstd 22 1,162,707,029 151,150,220 82.565695 402.840655 mozilla zlib 1 2,775,497,186 298,527,987 147.867662 751.263721 mozilla zlib 6 2,596,856,420 286,597,671 170.572118 987.056093 mozilla zlib 9 2,587,542,494 287,018,264 163.622338 739.803002 mozilla zstd 1 2,723,159,348 286,617,532 91.700995 570.042751 mozilla zstd 3 2,665,055,001 286,152,013 95.240155 561.412805 mozilla zstd 5 2,607,819,817 288,060,030 101.978048 505.152906 mozilla zstd 10 2,558,761,085 283,967,648 104.113481 497.771202 mozilla zstd 15 2,526,216,060 275,581,300 105.853099 591.930683 mozilla zstd 20 2,485,114,806 266,478,859 95.268795 576.515389 mozilla zstd 22 2,484,869,080 266,456,505 94.429282 572.785537
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 27 Mar 2019 18:35:59 +0100
parents c70bdd222dcd
children 29798c9ba5c9 6bc1245cd598
line wrap: on
line source

  $ HGENCODING=utf-8
  $ export HGENCODING
  $ cat > testrevset.py << EOF
  > import mercurial.revset
  > 
  > baseset = mercurial.revset.baseset
  > 
  > def r3232(repo, subset, x):
  >     """"simple revset that return [3,2,3,2]
  > 
  >     revisions duplicated on purpose.
  >     """
  >     if 3 not in subset:
  >        if 2 in subset:
  >            return baseset([2, 2])
  >        return baseset()
  >     return baseset([3, 3, 2, 2])
  > 
  > mercurial.revset.symbols[b'r3232'] = r3232
  > EOF
  $ cat >> $HGRCPATH << EOF
  > [extensions]
  > drawdag=$TESTDIR/drawdag.py
  > testrevset=$TESTTMP/testrevset.py
  > EOF

  $ try() {
  >   hg debugrevspec --debug "$@"
  > }

  $ log() {
  >   hg log --template '{rev}\n' -r "$1"
  > }

extension to build '_intlist()' and '_hexlist()', which is necessary because
these predicates use '\0' as a separator:

  $ cat <<EOF > debugrevlistspec.py
  > from __future__ import absolute_import
  > from mercurial import (
  >     node as nodemod,
  >     registrar,
  >     revset,
  >     revsetlang,
  > )
  > from mercurial.utils import stringutil
  > cmdtable = {}
  > command = registrar.command(cmdtable)
  > @command(b'debugrevlistspec',
  >     [(b'', b'optimize', None, b'print parsed tree after optimizing'),
  >      (b'', b'bin', None, b'unhexlify arguments')])
  > def debugrevlistspec(ui, repo, fmt, *args, **opts):
  >     if opts['bin']:
  >         args = map(nodemod.bin, args)
  >     expr = revsetlang.formatspec(fmt, list(args))
  >     if ui.verbose:
  >         tree = revsetlang.parse(expr, lookup=revset.lookupfn(repo))
  >         ui.note(revsetlang.prettyformat(tree), b"\n")
  >         if opts["optimize"]:
  >             opttree = revsetlang.optimize(revsetlang.analyze(tree))
  >             ui.note(b"* optimized:\n", revsetlang.prettyformat(opttree),
  >                     b"\n")
  >     func = revset.match(ui, expr, lookup=revset.lookupfn(repo))
  >     revs = func(repo)
  >     if ui.verbose:
  >         ui.note(b"* set:\n", stringutil.prettyrepr(revs), b"\n")
  >     for c in revs:
  >         ui.write(b"%d\n" % c)
  > EOF
  $ cat <<EOF >> $HGRCPATH
  > [extensions]
  > debugrevlistspec = $TESTTMP/debugrevlistspec.py
  > EOF
  $ trylist() {
  >   hg debugrevlistspec --debug "$@"
  > }

  $ hg init repo
  $ cd repo

  $ echo a > a
  $ hg branch a
  marked working directory as branch a
  (branches are permanent and global, did you want a bookmark?)
  $ hg ci -Aqm0

  $ echo b > b
  $ hg branch b
  marked working directory as branch b
  $ hg ci -Aqm1

  $ rm a
  $ hg branch a-b-c-
  marked working directory as branch a-b-c-
  $ hg ci -Aqm2 -u Bob

  $ hg log -r "extra('branch', 'a-b-c-')" --template '{rev}\n'
  2
  $ hg log -r "extra('branch')" --template '{rev}\n'
  0
  1
  2
  $ hg log -r "extra('branch', 're:a')" --template '{rev} {branch}\n'
  0 a
  2 a-b-c-

  $ hg co 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg branch +a+b+c+
  marked working directory as branch +a+b+c+
  $ hg ci -Aqm3

  $ hg co 2  # interleave
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo bb > b
  $ hg branch -- -a-b-c-
  marked working directory as branch -a-b-c-
  $ hg ci -Aqm4 -d "May 12 2005"

  $ hg co 3
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg branch !a/b/c/
  marked working directory as branch !a/b/c/
  $ hg ci -Aqm"5 bug"

  $ hg merge 4
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg branch _a_b_c_
  marked working directory as branch _a_b_c_
  $ hg ci -Aqm"6 issue619"

  $ hg branch .a.b.c.
  marked working directory as branch .a.b.c.
  $ hg ci -Aqm7

  $ hg branch all
  marked working directory as branch all

  $ hg co 4
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg branch é
  marked working directory as branch \xc3\xa9 (esc)
  $ hg ci -Aqm9

  $ hg tag -r6 1.0
  $ hg bookmark -r6 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

  $ hg clone --quiet -U -r 7 . ../remote1
  $ hg clone --quiet -U -r 8 . ../remote2
  $ echo "[paths]" >> .hg/hgrc
  $ echo "default = ../remote1" >> .hg/hgrc

trivial

  $ try 0:1
  (range
    (symbol '0')
    (symbol '1'))
  * set:
  <spanset+ 0:2>
  0
  1
  $ try --optimize :
  (rangeall
    None)
  * optimized:
  (rangeall
    None)
  * set:
  <spanset+ 0:10>
  0
  1
  2
  3
  4
  5
  6
  7
  8
  9
  $ try 3::6
  (dagrange
    (symbol '3')
    (symbol '6'))
  * set:
  <baseset+ [3, 5, 6]>
  3
  5
  6
  $ try '0|1|2'
  (or
    (list
      (symbol '0')
      (symbol '1')
      (symbol '2')))
  * set:
  <baseset [0, 1, 2]>
  0
  1
  2

names that should work without quoting

  $ try a
  (symbol 'a')
  * set:
  <baseset [0]>
  0
  $ try b-a
  (minus
    (symbol 'b')
    (symbol 'a'))
  * set:
  <filteredset
    <baseset [1]>,
    <not
      <baseset [0]>>>
  1
  $ try _a_b_c_
  (symbol '_a_b_c_')
  * set:
  <baseset [6]>
  6
  $ try _a_b_c_-a
  (minus
    (symbol '_a_b_c_')
    (symbol 'a'))
  * set:
  <filteredset
    <baseset [6]>,
    <not
      <baseset [0]>>>
  6
  $ try .a.b.c.
  (symbol '.a.b.c.')
  * set:
  <baseset [7]>
  7
  $ try .a.b.c.-a
  (minus
    (symbol '.a.b.c.')
    (symbol 'a'))
  * set:
  <filteredset
    <baseset [7]>,
    <not
      <baseset [0]>>>
  7

names that should be caught by fallback mechanism

  $ try -- '-a-b-c-'
  (symbol '-a-b-c-')
  * set:
  <baseset [4]>
  4
  $ log -a-b-c-
  4
  $ try '+a+b+c+'
  (symbol '+a+b+c+')
  * set:
  <baseset [3]>
  3
  $ try '+a+b+c+:'
  (rangepost
    (symbol '+a+b+c+'))
  * set:
  <spanset+ 3:10>
  3
  4
  5
  6
  7
  8
  9
  $ try ':+a+b+c+'
  (rangepre
    (symbol '+a+b+c+'))
  * set:
  <spanset+ 0:4>
  0
  1
  2
  3
  $ try -- '-a-b-c-:+a+b+c+'
  (range
    (symbol '-a-b-c-')
    (symbol '+a+b+c+'))
  * set:
  <spanset- 3:5>
  4
  3
  $ log '-a-b-c-:+a+b+c+'
  4
  3

  $ try -- -a-b-c--a # complains
  (minus
    (minus
      (minus
        (negate
          (symbol 'a'))
        (symbol 'b'))
      (symbol 'c'))
    (negate
      (symbol 'a')))
  abort: unknown revision '-a'!
  [255]
  $ try é
  (symbol '\xc3\xa9')
  * set:
  <baseset [9]>
  9

no quoting needed

  $ log ::a-b-c-
  0
  1
  2

quoting needed

  $ try '"-a-b-c-"-a'
  (minus
    (string '-a-b-c-')
    (symbol 'a'))
  * set:
  <filteredset
    <baseset [4]>,
    <not
      <baseset [0]>>>
  4

  $ log '1 or 2'
  1
  2
  $ log '1|2'
  1
  2
  $ log '1 and 2'
  $ log '1&2'
  $ try '1&2|3' # precedence - and is higher
  (or
    (list
      (and
        (symbol '1')
        (symbol '2'))
      (symbol '3')))
  * set:
  <addset
    <baseset []>,
    <baseset [3]>>
  3
  $ try '1|2&3'
  (or
    (list
      (symbol '1')
      (and
        (symbol '2')
        (symbol '3'))))
  * set:
  <addset
    <baseset [1]>,
    <baseset []>>
  1
  $ try '1&2&3' # associativity
  (and
    (and
      (symbol '1')
      (symbol '2'))
    (symbol '3'))
  * set:
  <baseset []>
  $ try '1|(2|3)'
  (or
    (list
      (symbol '1')
      (group
        (or
          (list
            (symbol '2')
            (symbol '3'))))))
  * set:
  <addset
    <baseset [1]>,
    <baseset [2, 3]>>
  1
  2
  3
  $ log '1.0' # tag
  6
  $ log 'a' # branch
  0
  $ log '2785f51ee'
  0
  $ log 'date(2005)'
  4
  $ log 'date(this is a test)'
  hg: parse error at 10: unexpected token: symbol
  (date(this is a test)
             ^ here)
  [255]
  $ log 'date()'
  hg: parse error: date requires a string
  [255]
  $ log 'date'
  abort: unknown revision 'date'!
  [255]
  $ log 'date('
  hg: parse error at 5: not a prefix: end
  (date(
        ^ here)
  [255]
  $ log 'date("\xy")'
  hg: parse error: invalid \x escape* (glob)
  [255]
  $ log 'date(tip)'
  hg: parse error: invalid date: 'tip'
  [255]
  $ log '0:date'
  abort: unknown revision 'date'!
  [255]
  $ log '::"date"'
  abort: unknown revision 'date'!
  [255]
  $ hg book date -r 4
  $ log '0:date'
  0
  1
  2
  3
  4
  $ log '::date'
  0
  1
  2
  4
  $ log '::"date"'
  0
  1
  2
  4
  $ log 'date(2005) and 1::'
  4
  $ hg book -d date

function name should be a symbol

  $ log '"date"(2005)'
  hg: parse error: not a symbol
  [255]

keyword arguments

  $ log 'extra(branch, value=a)'
  0

  $ log 'extra(branch, a, b)'
  hg: parse error: extra takes at most 2 positional arguments
  [255]
  $ log 'extra(a, label=b)'
  hg: parse error: extra got multiple values for keyword argument 'label'
  [255]
  $ log 'extra(label=branch, default)'
  hg: parse error: extra got an invalid argument
  [255]
  $ log 'extra(branch, foo+bar=baz)'
  hg: parse error: extra got an invalid argument
  [255]
  $ log 'extra(unknown=branch)'
  hg: parse error: extra got an unexpected keyword argument 'unknown'
  [255]

  $ try 'foo=bar|baz'
  (keyvalue
    (symbol 'foo')
    (or
      (list
        (symbol 'bar')
        (symbol 'baz'))))
  hg: parse error: can't use a key-value pair in this context
  [255]

 right-hand side should be optimized recursively

  $ try --optimize 'foo=(not public())'
  (keyvalue
    (symbol 'foo')
    (group
      (not
        (func
          (symbol 'public')
          None))))
  * optimized:
  (keyvalue
    (symbol 'foo')
    (func
      (symbol '_notpublic')
      None))
  hg: parse error: can't use a key-value pair in this context
  [255]

relation-subscript operator has the highest binding strength (as function call):

  $ hg debugrevspec -p parsed 'tip:tip^#generations[-1]'
  * parsed:
  (range
    (symbol 'tip')
    (relsubscript
      (parentpost
        (symbol 'tip'))
      (symbol 'generations')
      (negate
        (symbol '1'))))
  9
  8
  7
  6
  5
  4

  $ hg debugrevspec -p parsed --no-show-revs 'not public()#generations[0]'
  * parsed:
  (not
    (relsubscript
      (func
        (symbol 'public')
        None)
      (symbol 'generations')
      (symbol '0')))

left-hand side of relation-subscript operator should be optimized recursively:

  $ hg debugrevspec -p analyzed -p optimized --no-show-revs \
  > '(not public())#generations[0]'
  * analyzed:
  (relsubscript
    (not
      (func
        (symbol 'public')
        None))
    (symbol 'generations')
    (symbol '0'))
  * optimized:
  (relsubscript
    (func
      (symbol '_notpublic')
      None)
    (symbol 'generations')
    (symbol '0'))

resolution of subscript and relation-subscript ternary operators:

  $ hg debugrevspec -p analyzed 'tip[0]'
  * analyzed:
  (subscript
    (symbol 'tip')
    (symbol '0'))
  hg: parse error: can't use a subscript in this context
  [255]

  $ hg debugrevspec -p analyzed 'tip#rel[0]'
  * analyzed:
  (relsubscript
    (symbol 'tip')
    (symbol 'rel')
    (symbol '0'))
  hg: parse error: unknown identifier: rel
  [255]

  $ hg debugrevspec -p analyzed '(tip#rel)[0]'
  * analyzed:
  (subscript
    (relation
      (symbol 'tip')
      (symbol 'rel'))
    (symbol '0'))
  hg: parse error: can't use a subscript in this context
  [255]

  $ hg debugrevspec -p analyzed 'tip#rel[0][1]'
  * analyzed:
  (subscript
    (relsubscript
      (symbol 'tip')
      (symbol 'rel')
      (symbol '0'))
    (symbol '1'))
  hg: parse error: can't use a subscript in this context
  [255]

  $ hg debugrevspec -p analyzed 'tip#rel0#rel1[1]'
  * analyzed:
  (relsubscript
    (relation
      (symbol 'tip')
      (symbol 'rel0'))
    (symbol 'rel1')
    (symbol '1'))
  hg: parse error: unknown identifier: rel1
  [255]

  $ hg debugrevspec -p analyzed 'tip#rel0[0]#rel1[1]'
  * analyzed:
  (relsubscript
    (relsubscript
      (symbol 'tip')
      (symbol 'rel0')
      (symbol '0'))
    (symbol 'rel1')
    (symbol '1'))
  hg: parse error: unknown identifier: rel1
  [255]

parse errors of relation, subscript and relation-subscript operators:

  $ hg debugrevspec '[0]'
  hg: parse error at 0: not a prefix: [
  ([0]
   ^ here)
  [255]
  $ hg debugrevspec '.#'
  hg: parse error at 2: not a prefix: end
  (.#
     ^ here)
  [255]
  $ hg debugrevspec '#rel'
  hg: parse error at 0: not a prefix: #
  (#rel
   ^ here)
  [255]
  $ hg debugrevspec '.#rel[0'
  hg: parse error at 7: unexpected token: end
  (.#rel[0
          ^ here)
  [255]
  $ hg debugrevspec '.]'
  hg: parse error at 1: invalid token
  (.]
    ^ here)
  [255]

  $ hg debugrevspec '.#generations[a]'
  hg: parse error: relation subscript must be an integer or a range
  [255]
  $ hg debugrevspec '.#generations[1-2]'
  hg: parse error: relation subscript must be an integer or a range
  [255]
  $ hg debugrevspec '.#generations[foo:bar]'
  hg: parse error: relation subscript bounds must be integers
  [255]

suggested relations

  $ hg debugrevspec '.#generafions[0]'
  hg: parse error: unknown identifier: generafions
  (did you mean generations?)
  [255]

  $ hg debugrevspec '.#f[0]'
  hg: parse error: unknown identifier: f
  [255]

parsed tree at stages:

  $ hg debugrevspec -p all '()'
  * parsed:
  (group
    None)
  * expanded:
  (group
    None)
  * concatenated:
  (group
    None)
  * analyzed:
  None
  * optimized:
  None
  hg: parse error: missing argument
  [255]

  $ hg debugrevspec --no-optimized -p all '()'
  * parsed:
  (group
    None)
  * expanded:
  (group
    None)
  * concatenated:
  (group
    None)
  * analyzed:
  None
  hg: parse error: missing argument
  [255]

  $ hg debugrevspec -p parsed -p analyzed -p optimized '(0|1)-1'
  * parsed:
  (minus
    (group
      (or
        (list
          (symbol '0')
          (symbol '1'))))
    (symbol '1'))
  * analyzed:
  (and
    (or
      (list
        (symbol '0')
        (symbol '1')))
    (not
      (symbol '1')))
  * optimized:
  (difference
    (func
      (symbol '_list')
      (string '0\x001'))
    (symbol '1'))
  0

  $ hg debugrevspec -p unknown '0'
  abort: invalid stage name: unknown
  [255]

  $ hg debugrevspec -p all --optimize '0'
  abort: cannot use --optimize with --show-stage
  [255]

verify optimized tree:

  $ hg debugrevspec --verify '0|1'

  $ hg debugrevspec --verify -v -p analyzed -p optimized 'r3232() & 2'
  * analyzed:
  (and
    (func
      (symbol 'r3232')
      None)
    (symbol '2'))
  * optimized:
  (andsmally
    (func
      (symbol 'r3232')
      None)
    (symbol '2'))
  * analyzed set:
  <baseset [2]>
  * optimized set:
  <baseset [2, 2]>
  --- analyzed
  +++ optimized
   2
  +2
  [1]

  $ hg debugrevspec --no-optimized --verify-optimized '0'
  abort: cannot use --verify-optimized with --no-optimized
  [255]

Test that symbols only get parsed as functions if there's an opening
parenthesis.

  $ hg book only -r 9
  $ log 'only(only)'   # Outer "only" is a function, inner "only" is the bookmark
  8
  9

':y' behaves like '0:y', but can't be rewritten as such since the revision '0'
may be hidden (issue5385)

  $ try -p parsed -p analyzed ':'
  * parsed:
  (rangeall
    None)
  * analyzed:
  (rangeall
    None)
  * set:
  <spanset+ 0:10>
  0
  1
  2
  3
  4
  5
  6
  7
  8
  9
  $ try -p analyzed ':1'
  * analyzed:
  (rangepre
    (symbol '1'))
  * set:
  <spanset+ 0:2>
  0
  1
  $ try -p analyzed ':(1|2)'
  * analyzed:
  (rangepre
    (or
      (list
        (symbol '1')
        (symbol '2'))))
  * set:
  <spanset+ 0:3>
  0
  1
  2
  $ try -p analyzed ':(1&2)'
  * analyzed:
  (rangepre
    (and
      (symbol '1')
      (symbol '2')))
  * set:
  <baseset []>

infix/suffix resolution of ^ operator (issue2884, issue5764):

 x^:y means (x^):y

  $ try '1^:2'
  (range
    (parentpost
      (symbol '1'))
    (symbol '2'))
  * set:
  <spanset+ 0:3>
  0
  1
  2

  $ try '1^::2'
  (dagrange
    (parentpost
      (symbol '1'))
    (symbol '2'))
  * set:
  <baseset+ [0, 1, 2]>
  0
  1
  2

  $ try '1^..2'
  (dagrange
    (parentpost
      (symbol '1'))
    (symbol '2'))
  * set:
  <baseset+ [0, 1, 2]>
  0
  1
  2

  $ try '9^:'
  (rangepost
    (parentpost
      (symbol '9')))
  * set:
  <spanset+ 8:10>
  8
  9

  $ try '9^::'
  (dagrangepost
    (parentpost
      (symbol '9')))
  * set:
  <generatorsetasc+>
  8
  9

  $ try '9^..'
  (dagrangepost
    (parentpost
      (symbol '9')))
  * set:
  <generatorsetasc+>
  8
  9

 x^:y should be resolved before omitting group operators

  $ try '1^(:2)'
  (parent
    (symbol '1')
    (group
      (rangepre
        (symbol '2'))))
  hg: parse error: ^ expects a number 0, 1, or 2
  [255]

 x^:y should be resolved recursively

  $ try 'sort(1^:2)'
  (func
    (symbol 'sort')
    (range
      (parentpost
        (symbol '1'))
      (symbol '2')))
  * set:
  <spanset+ 0:3>
  0
  1
  2

  $ try '(3^:4)^:2'
  (range
    (parentpost
      (group
        (range
          (parentpost
            (symbol '3'))
          (symbol '4'))))
    (symbol '2'))
  * set:
  <spanset+ 0:3>
  0
  1
  2

  $ try '(3^::4)^::2'
  (dagrange
    (parentpost
      (group
        (dagrange
          (parentpost
            (symbol '3'))
          (symbol '4'))))
    (symbol '2'))
  * set:
  <baseset+ [0, 1, 2]>
  0
  1
  2

  $ try '(9^:)^:'
  (rangepost
    (parentpost
      (group
        (rangepost
          (parentpost
            (symbol '9'))))))
  * set:
  <spanset+ 4:10>
  4
  5
  6
  7
  8
  9

 x^ in alias should also be resolved

  $ try 'A' --config 'revsetalias.A=1^:2'
  (symbol 'A')
  * expanded:
  (range
    (parentpost
      (symbol '1'))
    (symbol '2'))
  * set:
  <spanset+ 0:3>
  0
  1
  2

  $ try 'A:2' --config 'revsetalias.A=1^'
  (range
    (symbol 'A')
    (symbol '2'))
  * expanded:
  (range
    (parentpost
      (symbol '1'))
    (symbol '2'))
  * set:
  <spanset+ 0:3>
  0
  1
  2

 but not beyond the boundary of alias expansion, because the resolution should
 be made at the parsing stage

  $ try '1^A' --config 'revsetalias.A=:2'
  (parent
    (symbol '1')
    (symbol 'A'))
  * expanded:
  (parent
    (symbol '1')
    (rangepre
      (symbol '2')))
  hg: parse error: ^ expects a number 0, 1, or 2
  [255]

'::' itself isn't a valid expression

  $ try '::'
  (dagrangeall
    None)
  hg: parse error: can't use '::' in this context
  [255]

ancestor can accept 0 or more arguments

  $ log 'ancestor()'
  $ log 'ancestor(1)'
  1
  $ log 'ancestor(4,5)'
  1
  $ log 'ancestor(4,5) and 4'
  $ log 'ancestor(0,0,1,3)'
  0
  $ log 'ancestor(3,1,5,3,5,1)'
  1
  $ log 'ancestor(0,1,3,5)'
  0
  $ log 'ancestor(1,2,3,4,5)'
  1

test ancestors

  $ hg log -G -T '{rev}\n' --config experimental.graphshorten=True
  @  9
  o  8
  | o  7
  | o  6
  |/|
  | o  5
  o |  4
  | o  3
  o |  2
  |/
  o  1
  o  0

  $ log 'ancestors(5)'
  0
  1
  3
  5
  $ log 'ancestor(ancestors(5))'
  0
  $ log '::r3232()'
  0
  1
  2
  3

test common ancestors

  $ hg log -T '{rev}\n' -r 'commonancestors(7 + 9)'
  0
  1
  2
  4

  $ hg log -T '{rev}\n' -r 'commonancestors(heads(all()))'
  0
  1
  2
  4

  $ hg log -T '{rev}\n' -r 'commonancestors(9)'
  0
  1
  2
  4
  8
  9

  $ hg log -T '{rev}\n' -r 'commonancestors(8 + 9)'
  0
  1
  2
  4
  8

test the specialized implementation of heads(commonancestors(..))
(2 gcas is tested in test-merge-criss-cross.t)

  $ hg log -T '{rev}\n' -r 'heads(commonancestors(7 + 9))'
  4
  $ hg log -T '{rev}\n' -r 'heads(commonancestors(heads(all())))'
  4
  $ hg log -T '{rev}\n' -r 'heads(commonancestors(9))'
  9
  $ hg log -T '{rev}\n' -r 'heads(commonancestors(8 + 9))'
  8

test ancestor variants of empty revision

  $ log 'ancestor(none())'
  $ log 'ancestors(none())'
  $ log 'commonancestors(none())'
  $ log 'heads(commonancestors(none()))'

test ancestors with depth limit

 (depth=0 selects the node itself)

  $ log 'reverse(ancestors(9, depth=0))'
  9

 (interleaved: '4' would be missing if heap queue were higher depth first)

  $ log 'reverse(ancestors(8:9, depth=1))'
  9
  8
  4

 (interleaved: '2' would be missing if heap queue were higher depth first)

  $ log 'reverse(ancestors(7+8, depth=2))'
  8
  7
  6
  5
  4
  2

 (walk example above by separate queries)

  $ log 'reverse(ancestors(8, depth=2)) + reverse(ancestors(7, depth=2))'
  8
  4
  2
  7
  6
  5

 (walk 2nd and 3rd ancestors)

  $ log 'reverse(ancestors(7, depth=3, startdepth=2))'
  5
  4
  3
  2

 (interleaved: '4' would be missing if higher-depth ancestors weren't scanned)

  $ log 'reverse(ancestors(7+8, depth=2, startdepth=2))'
  5
  4
  2

 (note that 'ancestors(x, depth=y, startdepth=z)' does not identical to
 'ancestors(x, depth=y) - ancestors(x, depth=z-1)' because a node may have
 multiple depths)

  $ log 'reverse(ancestors(7+8, depth=2) - ancestors(7+8, depth=1))'
  5
  2

test bad arguments passed to ancestors()

  $ log 'ancestors(., depth=-1)'
  hg: parse error: negative depth
  [255]
  $ log 'ancestors(., depth=foo)'
  hg: parse error: ancestors expects an integer depth
  [255]

test descendants

  $ hg log -G -T '{rev}\n' --config experimental.graphshorten=True
  @  9
  o  8
  | o  7
  | o  6
  |/|
  | o  5
  o |  4
  | o  3
  o |  2
  |/
  o  1
  o  0

 (null is ultimate root and has optimized path)

  $ log 'null:4 & descendants(null)'
  -1
  0
  1
  2
  3
  4

 (including merge)

  $ log ':8 & descendants(2)'
  2
  4
  6
  7
  8

 (multiple roots)

  $ log ':8 & descendants(2+5)'
  2
  4
  5
  6
  7
  8

test descendants with depth limit

 (depth=0 selects the node itself)

  $ log 'descendants(0, depth=0)'
  0
  $ log 'null: & descendants(null, depth=0)'
  -1

 (p2 = null should be ignored)

  $ log 'null: & descendants(null, depth=2)'
  -1
  0
  1

 (multiple paths: depth(6) = (2, 3))

  $ log 'descendants(1+3, depth=2)'
  1
  2
  3
  4
  5
  6

 (multiple paths: depth(5) = (1, 2), depth(6) = (2, 3))

  $ log 'descendants(3+1, depth=2, startdepth=2)'
  4
  5
  6

 (multiple depths: depth(6) = (0, 2, 4), search for depth=2)

  $ log 'descendants(0+3+6, depth=3, startdepth=1)'
  1
  2
  3
  4
  5
  6
  7

 (multiple depths: depth(6) = (0, 4), no match)

  $ log 'descendants(0+6, depth=3, startdepth=1)'
  1
  2
  3
  4
  5
  7

test ancestors/descendants relation subscript:

  $ log 'tip#generations[0]'
  9
  $ log '.#generations[-1]'
  8
  $ log '.#g[(-1)]'
  8

  $ log '6#generations[0:1]'
  6
  7
  $ log '6#generations[-1:1]'
  4
  5
  6
  7
  $ log '6#generations[0:]'
  6
  7
  $ log '5#generations[:0]'
  0
  1
  3
  5
  $ log '3#generations[:]'
  0
  1
  3
  5
  6
  7
  $ log 'tip#generations[1:-1]'

  $ hg debugrevspec -p parsed 'roots(:)#g[2]'
  * parsed:
  (relsubscript
    (func
      (symbol 'roots')
      (rangeall
        None))
    (symbol 'g')
    (symbol '2'))
  2
  3

test author

  $ log 'author(bob)'
  2
  $ log 'author("re:bob|test")'
  0
  1
  2
  3
  4
  5
  6
  7
  8
  9
  $ log 'author(r"re:\S")'
  0
  1
  2
  3
  4
  5
  6
  7
  8
  9
  $ log 'branch(é)'
  8
  9
  $ log 'branch(a)'
  0
  $ hg log -r 'branch("re:a")' --template '{rev} {branch}\n'
  0 a
  2 a-b-c-
  3 +a+b+c+
  4 -a-b-c-
  5 !a/b/c/
  6 _a_b_c_
  7 .a.b.c.
  $ log 'children(ancestor(4,5))'
  2
  3

  $ log 'children(4)'
  6
  8
  $ log 'children(null)'
  0

  $ log 'closed()'
  $ log 'contains(a)'
  0
  1
  3
  5
  $ log 'contains("../repo/a")'
  0
  1
  3
  5
  $ log 'desc(B)'
  5
  $ hg log -r 'desc(r"re:S?u")' --template "{rev} {desc|firstline}\n"
  5 5 bug
  6 6 issue619
  $ log 'descendants(2 or 3)'
  2
  3
  4
  5
  6
  7
  8
  9
  $ log 'file("b*")'
  1
  4
  $ log 'filelog("b")'
  1
  4
  $ log 'filelog("../repo/b")'
  1
  4
  $ log 'follow()'
  0
  1
  2
  4
  8
  9
  $ log 'grep("issue\d+")'
  6
  $ try 'grep("(")' # invalid regular expression
  (func
    (symbol 'grep')
    (string '('))
  hg: parse error: invalid match pattern: (unbalanced parenthesis|missing \),.*) (re)
  [255]
  $ try 'grep("\bissue\d+")'
  (func
    (symbol 'grep')
    (string '\x08issue\\d+'))
  * set:
  <filteredset
    <fullreposet+ 0:10>,
    <grep '\x08issue\\d+'>>
  $ try 'grep(r"\bissue\d+")'
  (func
    (symbol 'grep')
    (string '\\bissue\\d+'))
  * set:
  <filteredset
    <fullreposet+ 0:10>,
    <grep '\\bissue\\d+'>>
  6
  $ try 'grep(r"\")'
  hg: parse error at 7: unterminated string
  (grep(r"\")
          ^ here)
  [255]
  $ log 'head()'
  0
  1
  2
  3
  4
  5
  6
  7
  9

Test heads

  $ log 'heads(6::)'
  7

 heads() can be computed in subset '9:'

  $ hg debugrevspec -s '9: & heads(all())'
  * set:
  <filteredset
    <baseset [9]>,
    <baseset+ [7, 9]>>
  9

 but should follow the order of the subset

  $ log 'heads(all())'
  7
  9
  $ log 'heads(tip:0)'
  7
  9
  $ log 'tip:0 & heads(all())'
  9
  7
  $ log 'tip:0 & heads(0:tip)'
  9
  7

  $ log 'keyword(issue)'
  6
  $ log 'keyword("test a")'

Test first (=limit) and last

  $ log 'limit(head(), 1)'
  0
  $ log 'limit(author("re:bob|test"), 3, 5)'
  5
  6
  7
  $ log 'limit(author("re:bob|test"), offset=6)'
  6
  $ log 'limit(author("re:bob|test"), offset=10)'
  $ log 'limit(all(), 1, -1)'
  hg: parse error: negative offset
  [255]
  $ log 'limit(all(), -1)'
  hg: parse error: negative number to select
  [255]
  $ log 'limit(all(), 0)'

  $ log 'last(all(), -1)'
  hg: parse error: negative number to select
  [255]
  $ log 'last(all(), 0)'
  $ log 'last(all(), 1)'
  9
  $ log 'last(all(), 2)'
  8
  9

Test smartset.slice() by first/last()

 (using unoptimized set, filteredset as example)

  $ hg debugrevspec --no-show-revs -s '0:7 & branch("re:")'
  * set:
  <filteredset
    <spanset+ 0:8>,
    <branch 're:'>>
  $ log 'limit(0:7 & branch("re:"), 3, 4)'
  4
  5
  6
  $ log 'limit(7:0 & branch("re:"), 3, 4)'
  3
  2
  1
  $ log 'last(0:7 & branch("re:"), 2)'
  6
  7

 (using baseset)

  $ hg debugrevspec --no-show-revs -s 0+1+2+3+4+5+6+7
  * set:
  <baseset [0, 1, 2, 3, 4, 5, 6, 7]>
  $ hg debugrevspec --no-show-revs -s 0::7
  * set:
  <baseset+ [0, 1, 2, 3, 4, 5, 6, 7]>
  $ log 'limit(0+1+2+3+4+5+6+7, 3, 4)'
  4
  5
  6
  $ log 'limit(sort(0::7, rev), 3, 4)'
  4
  5
  6
  $ log 'limit(sort(0::7, -rev), 3, 4)'
  3
  2
  1
  $ log 'last(sort(0::7, rev), 2)'
  6
  7
  $ hg debugrevspec -s 'limit(sort(0::7, rev), 3, 6)'
  * set:
  <baseset+ [6, 7]>
  6
  7
  $ hg debugrevspec -s 'limit(sort(0::7, rev), 3, 9)'
  * set:
  <baseset+ []>
  $ hg debugrevspec -s 'limit(sort(0::7, -rev), 3, 6)'
  * set:
  <baseset- [0, 1]>
  1
  0
  $ hg debugrevspec -s 'limit(sort(0::7, -rev), 3, 9)'
  * set:
  <baseset- []>
  $ hg debugrevspec -s 'limit(0::7, 0)'
  * set:
  <baseset+ []>

 (using spanset)

  $ hg debugrevspec --no-show-revs -s 0:7
  * set:
  <spanset+ 0:8>
  $ log 'limit(0:7, 3, 4)'
  4
  5
  6
  $ log 'limit(7:0, 3, 4)'
  3
  2
  1
  $ log 'limit(0:7, 3, 6)'
  6
  7
  $ log 'limit(7:0, 3, 6)'
  1
  0
  $ log 'last(0:7, 2)'
  6
  7
  $ hg debugrevspec -s 'limit(0:7, 3, 6)'
  * set:
  <spanset+ 6:8>
  6
  7
  $ hg debugrevspec -s 'limit(0:7, 3, 9)'
  * set:
  <spanset+ 8:8>
  $ hg debugrevspec -s 'limit(7:0, 3, 6)'
  * set:
  <spanset- 0:2>
  1
  0
  $ hg debugrevspec -s 'limit(7:0, 3, 9)'
  * set:
  <spanset- 0:0>
  $ hg debugrevspec -s 'limit(0:7, 0)'
  * set:
  <spanset+ 0:0>

Test order of first/last revisions

  $ hg debugrevspec -s 'first(4:0, 3) & 3:'
  * set:
  <filteredset
    <spanset- 2:5>,
    <spanset+ 3:10>>
  4
  3

  $ hg debugrevspec -s '3: & first(4:0, 3)'
  * set:
  <filteredset
    <spanset+ 3:10>,
    <spanset- 2:5>>
  3
  4

  $ hg debugrevspec -s 'last(4:0, 3) & :1'
  * set:
  <filteredset
    <spanset- 0:3>,
    <spanset+ 0:2>>
  1
  0

  $ hg debugrevspec -s ':1 & last(4:0, 3)'
  * set:
  <filteredset
    <spanset+ 0:2>,
    <spanset+ 0:3>>
  0
  1

Test scmutil.revsingle() should return the last revision

  $ hg debugrevspec -s 'last(0::)'
  * set:
  <baseset slice=0:1
    <generatorsetasc->>
  9
  $ hg identify -r '0::' --num
  9

Test matching

  $ log 'matching(6)'
  6
  $ log 'matching(6:7, "phase parents user date branch summary files description substate")'
  6
  7

Testing min and max

max: simple

  $ log 'max(contains(a))'
  5

max: simple on unordered set)

  $ log 'max((4+0+2+5+7) and contains(a))'
  5

max: no result

  $ log 'max(contains(stringthatdoesnotappearanywhere))'

max: no result on unordered set

  $ log 'max((4+0+2+5+7) and contains(stringthatdoesnotappearanywhere))'

min: simple

  $ log 'min(contains(a))'
  0

min: simple on unordered set

  $ log 'min((4+0+2+5+7) and contains(a))'
  0

min: empty

  $ log 'min(contains(stringthatdoesnotappearanywhere))'

min: empty on unordered set

  $ log 'min((4+0+2+5+7) and contains(stringthatdoesnotappearanywhere))'


  $ log 'merge()'
  6
  $ log 'branchpoint()'
  1
  4
  $ log 'modifies(b)'
  4
  $ log 'modifies("path:b")'
  4
  $ log 'modifies("*")'
  4
  6
  $ log 'modifies("set:modified()")'
  4
  $ log 'id(5)'
  2
  $ log 'only(9)'
  8
  9
  $ log 'only(8)'
  8
  $ log 'only(9, 5)'
  2
  4
  8
  9
  $ log 'only(7 + 9, 5 + 2)'
  4
  6
  7
  8
  9

Test empty set input
  $ log 'only(p2())'
  $ log 'only(p1(), p2())'
  0
  1
  2
  4
  8
  9

Test '%' operator

  $ log '9%'
  8
  9
  $ log '9%5'
  2
  4
  8
  9
  $ log '(7 + 9)%(5 + 2)'
  4
  6
  7
  8
  9

Test operand of '%' is optimized recursively (issue4670)

  $ try --optimize '8:9-8%'
  (onlypost
    (minus
      (range
        (symbol '8')
        (symbol '9'))
      (symbol '8')))
  * optimized:
  (func
    (symbol 'only')
    (difference
      (range
        (symbol '8')
        (symbol '9'))
      (symbol '8')))
  * set:
  <baseset+ [8, 9]>
  8
  9
  $ try --optimize '(9)%(5)'
  (only
    (group
      (symbol '9'))
    (group
      (symbol '5')))
  * optimized:
  (func
    (symbol 'only')
    (list
      (symbol '9')
      (symbol '5')))
  * set:
  <baseset+ [2, 4, 8, 9]>
  2
  4
  8
  9

Test the order of operations

  $ log '7 + 9%5 + 2'
  7
  2
  4
  8
  9

Test explicit numeric revision
  $ log 'rev(-2)'
  $ log 'rev(-1)'
  -1
  $ log 'rev(0)'
  0
  $ log 'rev(9)'
  9
  $ log 'rev(10)'
  $ log 'rev(tip)'
  hg: parse error: rev expects a number
  [255]

Test hexadecimal revision
  $ log 'id(2)'
  $ log 'id(5)'
  2
  $ hg --config experimental.revisions.prefixhexnode=yes log --template '{rev}\n' -r 'id(x5)'
  2
  $ hg --config experimental.revisions.prefixhexnode=yes log --template '{rev}\n' -r 'x5'
  2
  $ hg --config experimental.revisions.prefixhexnode=yes log --template '{rev}\n' -r 'id(x)'
  $ hg --config experimental.revisions.prefixhexnode=yes log --template '{rev}\n' -r 'x'
  abort: 00changelog.i@: ambiguous identifier!
  [255]
  $ log 'id(23268)'
  4
  $ log 'id(2785f51eece)'
  0
  $ log 'id(d5d0dcbdc4d9ff5dbb2d336f32f0bb561c1a532c)'
  8
  $ log 'id(d5d0dcbdc4a)'
  $ log 'id(d5d0dcbdc4w)'
  $ log 'id(d5d0dcbdc4d9ff5dbb2d336f32f0bb561c1a532d)'
  $ log 'id(d5d0dcbdc4d9ff5dbb2d336f32f0bb561c1a532q)'
  $ log 'id(1.0)'
  $ log 'id(xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx)'

Test null revision
  $ log '(null)'
  -1
  $ log '(null:0)'
  -1
  0
  $ log '(0:null)'
  0
  -1
  $ log 'null::0'
  -1
  0
  $ log 'null:tip - 0:'
  -1
  $ log 'null: and null::' | head -1
  -1
  $ log 'null: or 0:' | head -2
  -1
  0
  $ log 'ancestors(null)'
  -1
  $ log 'reverse(null:)' | tail -2
  0
  -1
  $ log 'first(null:)'
  -1
  $ log 'min(null:)'
BROKEN: should be '-1'
  $ log 'tip:null and all()' | tail -2
  1
  0

Test working-directory revision
  $ hg debugrevspec 'wdir()'
  2147483647
  $ hg debugrevspec 'wdir()^'
  9
  $ hg up 7
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg debugrevspec 'wdir()^'
  7
  $ hg debugrevspec 'wdir()^0'
  2147483647
  $ hg debugrevspec 'wdir()~3'
  5
  $ hg debugrevspec 'ancestors(wdir())'
  0
  1
  2
  3
  4
  5
  6
  7
  2147483647
  $ hg debugrevspec '0:wdir() & ancestor(wdir())'
  2147483647
  $ hg debugrevspec '0:wdir() & ancestor(.:wdir())'
  4
  $ hg debugrevspec '0:wdir() & ancestor(wdir(), wdir())'
  2147483647
  $ hg debugrevspec '0:wdir() & ancestor(wdir(), tip)'
  4
  $ hg debugrevspec 'null:wdir() & ancestor(wdir(), null)'
  -1
  $ hg debugrevspec 'wdir()~0'
  2147483647
  $ hg debugrevspec 'p1(wdir())'
  7
  $ hg debugrevspec 'p2(wdir())'
  $ hg debugrevspec 'parents(wdir())'
  7
  $ hg debugrevspec 'wdir()^1'
  7
  $ hg debugrevspec 'wdir()^2'
  $ hg debugrevspec 'wdir()^3'
  hg: parse error: ^ expects a number 0, 1, or 2
  [255]
For tests consistency
  $ hg up 9
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg debugrevspec 'tip or wdir()'
  9
  2147483647
  $ hg debugrevspec '0:tip and wdir()'
  $ log '0:wdir()' | tail -3
  8
  9
  2147483647
  $ log 'wdir():0' | head -3
  2147483647
  9
  8
  $ log 'wdir():wdir()'
  2147483647
  $ log '(all() + wdir()) & min(. + wdir())'
  9
  $ log '(all() + wdir()) & max(. + wdir())'
  2147483647
  $ log 'first(wdir() + .)'
  2147483647
  $ log 'last(. + wdir())'
  2147483647

Test working-directory integer revision and node id
(BUG: '0:wdir()' is still needed to populate wdir revision)

  $ hg debugrevspec '0:wdir() & 2147483647'
  2147483647
  $ hg debugrevspec '0:wdir() & rev(2147483647)'
  2147483647
  $ hg debugrevspec '0:wdir() & ffffffffffffffffffffffffffffffffffffffff'
  2147483647
  $ hg debugrevspec '0:wdir() & ffffffffffff'
  2147483647
  $ hg debugrevspec '0:wdir() & id(ffffffffffffffffffffffffffffffffffffffff)'
  2147483647
  $ hg debugrevspec '0:wdir() & id(ffffffffffff)'
  2147483647

  $ cd ..

Test short 'ff...' hash collision
(BUG: '0:wdir()' is still needed to populate wdir revision)

  $ hg init wdir-hashcollision
  $ cd wdir-hashcollision
  $ cat <<EOF >> .hg/hgrc
  > [experimental]
  > evolution.createmarkers=True
  > EOF
  $ echo 0 > a
  $ hg ci -qAm 0
  $ for i in 2463 2961 6726 78127; do
  >   hg up -q 0
  >   echo $i > a
  >   hg ci -qm $i
  > done
  $ hg up -q null
  $ hg log -r '0:wdir()' -T '{rev}:{node} {shortest(node, 3)}\n'
  0:b4e73ffab476aa0ee32ed81ca51e07169844bc6a b4e
  1:fffbae3886c8fbb2114296380d276fd37715d571 fffba
  2:fffb6093b00943f91034b9bdad069402c834e572 fffb6
  3:fff48a9b9de34a4d64120c29548214c67980ade3 fff4
  4:ffff85cff0ff78504fcdc3c0bc10de0c65379249 ffff8
  2147483647:ffffffffffffffffffffffffffffffffffffffff fffff
  $ hg debugobsolete fffbae3886c8fbb2114296380d276fd37715d571
  obsoleted 1 changesets

  $ hg debugrevspec '0:wdir() & fff'
  abort: 00changelog.i@fff: ambiguous identifier!
  [255]
  $ hg debugrevspec '0:wdir() & ffff'
  abort: 00changelog.i@ffff: ambiguous identifier!
  [255]
  $ hg debugrevspec '0:wdir() & fffb'
  abort: 00changelog.i@fffb: ambiguous identifier!
  [255]
BROKEN should be '2' (node lookup uses unfiltered repo)
  $ hg debugrevspec '0:wdir() & id(fffb)'
BROKEN should be '2' (node lookup uses unfiltered repo)
  $ hg debugrevspec '0:wdir() & ffff8'
  4
  $ hg debugrevspec '0:wdir() & fffff'
  2147483647

  $ cd ..

Test branch() with wdir()

  $ cd repo

  $ log '0:wdir() & branch("literal:é")'
  8
  9
  2147483647
  $ log '0:wdir() & branch("re:é")'
  8
  9
  2147483647
  $ log '0:wdir() & branch("re:^a")'
  0
  2
  $ log '0:wdir() & branch(8)'
  8
  9
  2147483647

branch(wdir()) returns all revisions belonging to the working branch. The wdir
itself isn't returned unless it is explicitly populated.

  $ log 'branch(wdir())'
  8
  9
  $ log '0:wdir() & branch(wdir())'
  8
  9
  2147483647

  $ log 'outgoing()'
  8
  9
  $ log 'outgoing("../remote1")'
  8
  9
  $ log 'outgoing("../remote2")'
  3
  5
  6
  7
  9
  $ log 'p1(merge())'
  5
  $ log 'p2(merge())'
  4
  $ log 'parents(merge())'
  4
  5
  $ log 'p1(branchpoint())'
  0
  2
  $ log 'p2(branchpoint())'
  $ log 'parents(branchpoint())'
  0
  2
  $ log 'removes(a)'
  2
  6
  $ log 'roots(all())'
  0
  $ log 'reverse(2 or 3 or 4 or 5)'
  5
  4
  3
  2
  $ log 'reverse(all())'
  9
  8
  7
  6
  5
  4
  3
  2
  1
  0
  $ log 'reverse(all()) & filelog(b)'
  4
  1
  $ log 'rev(5)'
  5
  $ log 'sort(limit(reverse(all()), 3))'
  7
  8
  9
  $ log 'sort(2 or 3 or 4 or 5, date)'
  2
  3
  5
  4
  $ log 'tagged()'
  6
  $ log 'tag()'
  6
  $ log 'tag(1.0)'
  6
  $ log 'tag(tip)'
  9

Test order of revisions in compound expression
----------------------------------------------

The general rule is that only the outermost (= leftmost) predicate can
enforce its ordering requirement. The other predicates should take the
ordering defined by it.

 'A & B' should follow the order of 'A':

  $ log '2:0 & 0::2'
  2
  1
  0

 'head()' combines sets in right order:

  $ log '2:0 & head()'
  2
  1
  0

 'x:y' takes ordering parameter into account:

  $ try -p optimized '3:0 & 0:3 & not 2:1'
  * optimized:
  (difference
    (and
      (range
        (symbol '3')
        (symbol '0'))
      (range
        (symbol '0')
        (symbol '3')))
    (range
      (symbol '2')
      (symbol '1')))
  * set:
  <filteredset
    <filteredset
      <spanset- 0:4>,
      <spanset+ 0:4>>,
    <not
      <spanset+ 1:3>>>
  3
  0

 'a + b', which is optimized to '_list(a b)', should take the ordering of
 the left expression:

  $ try --optimize '2:0 & (0 + 1 + 2)'
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (group
      (or
        (list
          (symbol '0')
          (symbol '1')
          (symbol '2')))))
  * optimized:
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol '_list')
      (string '0\x001\x002')))
  * set:
  <filteredset
    <spanset- 0:3>,
    <baseset [0, 1, 2]>>
  2
  1
  0

 'A + B' should take the ordering of the left expression:

  $ try --optimize '2:0 & (0:1 + 2)'
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (group
      (or
        (list
          (range
            (symbol '0')
            (symbol '1'))
          (symbol '2')))))
  * optimized:
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (or
      (list
        (range
          (symbol '0')
          (symbol '1'))
        (symbol '2'))))
  * set:
  <filteredset
    <spanset- 0:3>,
    <addset
      <spanset+ 0:2>,
      <baseset [2]>>>
  2
  1
  0

 '_intlist(a b)' should behave like 'a + b':

  $ trylist --optimize '2:0 & %ld' 0 1 2
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol '_intlist')
      (string '0\x001\x002')))
  * optimized:
  (andsmally
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol '_intlist')
      (string '0\x001\x002')))
  * set:
  <filteredset
    <spanset- 0:3>,
    <baseset+ [0, 1, 2]>>
  2
  1
  0

  $ trylist --optimize '%ld & 2:0' 0 2 1
  (and
    (func
      (symbol '_intlist')
      (string '0\x002\x001'))
    (range
      (symbol '2')
      (symbol '0')))
  * optimized:
  (and
    (func
      (symbol '_intlist')
      (string '0\x002\x001'))
    (range
      (symbol '2')
      (symbol '0')))
  * set:
  <filteredset
    <baseset [0, 2, 1]>,
    <spanset- 0:3>>
  0
  2
  1

 '_hexlist(a b)' should behave like 'a + b':

  $ trylist --optimize --bin '2:0 & %ln' `hg log -T '{node} ' -r0:2`
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol '_hexlist')
      (string '*'))) (glob)
  * optimized:
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol '_hexlist')
      (string '*'))) (glob)
  * set:
  <filteredset
    <spanset- 0:3>,
    <baseset [0, 1, 2]>>
  2
  1
  0

  $ trylist --optimize --bin '%ln & 2:0' `hg log -T '{node} ' -r0+2+1`
  (and
    (func
      (symbol '_hexlist')
      (string '*')) (glob)
    (range
      (symbol '2')
      (symbol '0')))
  * optimized:
  (andsmally
    (func
      (symbol '_hexlist')
      (string '*')) (glob)
    (range
      (symbol '2')
      (symbol '0')))
  * set:
  <baseset [0, 2, 1]>
  0
  2
  1

 '_list' should not go through the slow follow-order path if order doesn't
 matter:

  $ try -p optimized '2:0 & not (0 + 1)'
  * optimized:
  (difference
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol '_list')
      (string '0\x001')))
  * set:
  <filteredset
    <spanset- 0:3>,
    <not
      <baseset [0, 1]>>>
  2

  $ try -p optimized '2:0 & not (0:2 & (0 + 1))'
  * optimized:
  (difference
    (range
      (symbol '2')
      (symbol '0'))
    (and
      (range
        (symbol '0')
        (symbol '2'))
      (func
        (symbol '_list')
        (string '0\x001'))))
  * set:
  <filteredset
    <spanset- 0:3>,
    <not
      <baseset [0, 1]>>>
  2

 because 'present()' does nothing other than suppressing an error, the
 ordering requirement should be forwarded to the nested expression

  $ try -p optimized 'present(2 + 0 + 1)'
  * optimized:
  (func
    (symbol 'present')
    (func
      (symbol '_list')
      (string '2\x000\x001')))
  * set:
  <baseset [2, 0, 1]>
  2
  0
  1

  $ try --optimize '2:0 & present(0 + 1 + 2)'
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol 'present')
      (or
        (list
          (symbol '0')
          (symbol '1')
          (symbol '2')))))
  * optimized:
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol 'present')
      (func
        (symbol '_list')
        (string '0\x001\x002'))))
  * set:
  <filteredset
    <spanset- 0:3>,
    <baseset [0, 1, 2]>>
  2
  1
  0

 'reverse()' should take effect only if it is the outermost expression:

  $ try --optimize '0:2 & reverse(all())'
  (and
    (range
      (symbol '0')
      (symbol '2'))
    (func
      (symbol 'reverse')
      (func
        (symbol 'all')
        None)))
  * optimized:
  (and
    (range
      (symbol '0')
      (symbol '2'))
    (func
      (symbol 'reverse')
      (func
        (symbol 'all')
        None)))
  * set:
  <filteredset
    <spanset+ 0:3>,
    <spanset+ 0:10>>
  0
  1
  2

 'sort()' should take effect only if it is the outermost expression:

  $ try --optimize '0:2 & sort(all(), -rev)'
  (and
    (range
      (symbol '0')
      (symbol '2'))
    (func
      (symbol 'sort')
      (list
        (func
          (symbol 'all')
          None)
        (negate
          (symbol 'rev')))))
  * optimized:
  (and
    (range
      (symbol '0')
      (symbol '2'))
    (func
      (symbol 'sort')
      (list
        (func
          (symbol 'all')
          None)
        (string '-rev'))))
  * set:
  <filteredset
    <spanset+ 0:3>,
    <spanset+ 0:10>>
  0
  1
  2

 invalid argument passed to noop sort():

  $ log '0:2 & sort()'
  hg: parse error: sort requires one or two arguments
  [255]
  $ log '0:2 & sort(all(), -invalid)'
  hg: parse error: unknown sort key '-invalid'
  [255]

 for 'A & f(B)', 'B' should not be affected by the order of 'A':

  $ try --optimize '2:0 & first(1 + 0 + 2)'
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol 'first')
      (or
        (list
          (symbol '1')
          (symbol '0')
          (symbol '2')))))
  * optimized:
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol 'first')
      (func
        (symbol '_list')
        (string '1\x000\x002'))))
  * set:
  <filteredset
    <baseset [1]>,
    <spanset- 0:3>>
  1

  $ try --optimize '2:0 & not last(0 + 2 + 1)'
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (not
      (func
        (symbol 'last')
        (or
          (list
            (symbol '0')
            (symbol '2')
            (symbol '1'))))))
  * optimized:
  (difference
    (range
      (symbol '2')
      (symbol '0'))
    (func
      (symbol 'last')
      (func
        (symbol '_list')
        (string '0\x002\x001'))))
  * set:
  <filteredset
    <spanset- 0:3>,
    <not
      <baseset [1]>>>
  2
  0

 for 'A & (op)(B)', 'B' should not be affected by the order of 'A':

  $ try --optimize '2:0 & (1 + 0 + 2):(0 + 2 + 1)'
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (range
      (group
        (or
          (list
            (symbol '1')
            (symbol '0')
            (symbol '2'))))
      (group
        (or
          (list
            (symbol '0')
            (symbol '2')
            (symbol '1'))))))
  * optimized:
  (and
    (range
      (symbol '2')
      (symbol '0'))
    (range
      (func
        (symbol '_list')
        (string '1\x000\x002'))
      (func
        (symbol '_list')
        (string '0\x002\x001'))))
  * set:
  <filteredset
    <spanset- 0:3>,
    <baseset [1]>>
  1

 'A & B' can be rewritten as 'flipand(B, A)' by weight.

  $ try --optimize 'contains("glob:*") & (2 + 0 + 1)'
  (and
    (func
      (symbol 'contains')
      (string 'glob:*'))
    (group
      (or
        (list
          (symbol '2')
          (symbol '0')
          (symbol '1')))))
  * optimized:
  (andsmally
    (func
      (symbol 'contains')
      (string 'glob:*'))
    (func
      (symbol '_list')
      (string '2\x000\x001')))
  * set:
  <filteredset
    <baseset+ [0, 1, 2]>,
    <contains 'glob:*'>>
  0
  1
  2

 and in this example, 'A & B' is rewritten as 'B & A', but 'A' overrides
 the order appropriately:

  $ try --optimize 'reverse(contains("glob:*")) & (0 + 2 + 1)'
  (and
    (func
      (symbol 'reverse')
      (func
        (symbol 'contains')
        (string 'glob:*')))
    (group
      (or
        (list
          (symbol '0')
          (symbol '2')
          (symbol '1')))))
  * optimized:
  (andsmally
    (func
      (symbol 'reverse')
      (func
        (symbol 'contains')
        (string 'glob:*')))
    (func
      (symbol '_list')
      (string '0\x002\x001')))
  * set:
  <filteredset
    <baseset- [0, 1, 2]>,
    <contains 'glob:*'>>
  2
  1
  0

test sort revset
--------------------------------------------

test when adding two unordered revsets

  $ log 'sort(keyword(issue) or modifies(b))'
  4
  6

test when sorting a reversed collection in the same way it is

  $ log 'sort(reverse(all()), -rev)'
  9
  8
  7
  6
  5
  4
  3
  2
  1
  0

test when sorting a reversed collection

  $ log 'sort(reverse(all()), rev)'
  0
  1
  2
  3
  4
  5
  6
  7
  8
  9


test sorting two sorted collections in different orders

  $ log 'sort(outgoing() or reverse(removes(a)), rev)'
  2
  6
  8
  9

test sorting two sorted collections in different orders backwards

  $ log 'sort(outgoing() or reverse(removes(a)), -rev)'
  9
  8
  6
  2

test empty sort key which is noop

  $ log 'sort(0 + 2 + 1, "")'
  0
  2
  1

test invalid sort keys

  $ log 'sort(all(), -invalid)'
  hg: parse error: unknown sort key '-invalid'
  [255]

  $ cd ..

test sorting by multiple keys including variable-length strings

  $ hg init sorting
  $ cd sorting
  $ cat <<EOF >> .hg/hgrc
  > [ui]
  > logtemplate = '{rev} {branch|p5}{desc|p5}{author|p5}{date|hgdate}\n'
  > [templatealias]
  > p5(s) = pad(s, 5)
  > EOF
  $ hg branch -qf b12
  $ hg ci -m m111 -u u112 -d '111 10800'
  $ hg branch -qf b11
  $ hg ci -m m12 -u u111 -d '112 7200'
  $ hg branch -qf b111
  $ hg ci -m m11 -u u12 -d '111 3600'
  $ hg branch -qf b112
  $ hg ci -m m111 -u u11 -d '120 0'
  $ hg branch -qf b111
  $ hg ci -m m112 -u u111 -d '110 14400'
  created new head

 compare revisions (has fast path):

  $ hg log -r 'sort(all(), rev)'
  0 b12  m111 u112 111 10800
  1 b11  m12  u111 112 7200
  2 b111 m11  u12  111 3600
  3 b112 m111 u11  120 0
  4 b111 m112 u111 110 14400

  $ hg log -r 'sort(all(), -rev)'
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0
  2 b111 m11  u12  111 3600
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800

 compare variable-length strings (issue5218):

  $ hg log -r 'sort(all(), branch)'
  1 b11  m12  u111 112 7200
  2 b111 m11  u12  111 3600
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0
  0 b12  m111 u112 111 10800

  $ hg log -r 'sort(all(), -branch)'
  0 b12  m111 u112 111 10800
  3 b112 m111 u11  120 0
  2 b111 m11  u12  111 3600
  4 b111 m112 u111 110 14400
  1 b11  m12  u111 112 7200

  $ hg log -r 'sort(all(), desc)'
  2 b111 m11  u12  111 3600
  0 b12  m111 u112 111 10800
  3 b112 m111 u11  120 0
  4 b111 m112 u111 110 14400
  1 b11  m12  u111 112 7200

  $ hg log -r 'sort(all(), -desc)'
  1 b11  m12  u111 112 7200
  4 b111 m112 u111 110 14400
  0 b12  m111 u112 111 10800
  3 b112 m111 u11  120 0
  2 b111 m11  u12  111 3600

  $ hg log -r 'sort(all(), user)'
  3 b112 m111 u11  120 0
  1 b11  m12  u111 112 7200
  4 b111 m112 u111 110 14400
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600

  $ hg log -r 'sort(all(), -user)'
  2 b111 m11  u12  111 3600
  0 b12  m111 u112 111 10800
  1 b11  m12  u111 112 7200
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0

 compare dates (tz offset should have no effect):

  $ hg log -r 'sort(all(), date)'
  4 b111 m112 u111 110 14400
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600
  1 b11  m12  u111 112 7200
  3 b112 m111 u11  120 0

  $ hg log -r 'sort(all(), -date)'
  3 b112 m111 u11  120 0
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600
  4 b111 m112 u111 110 14400

 be aware that 'sort(x, -k)' is not exactly the same as 'reverse(sort(x, k))'
 because '-k' reverses the comparison, not the list itself:

  $ hg log -r 'sort(0 + 2, date)'
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600

  $ hg log -r 'sort(0 + 2, -date)'
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600

  $ hg log -r 'reverse(sort(0 + 2, date))'
  2 b111 m11  u12  111 3600
  0 b12  m111 u112 111 10800

 sort by multiple keys:

  $ hg log -r 'sort(all(), "branch -rev")'
  1 b11  m12  u111 112 7200
  4 b111 m112 u111 110 14400
  2 b111 m11  u12  111 3600
  3 b112 m111 u11  120 0
  0 b12  m111 u112 111 10800

  $ hg log -r 'sort(all(), "-desc -date")'
  1 b11  m12  u111 112 7200
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600

  $ hg log -r 'sort(all(), "user -branch date rev")'
  3 b112 m111 u11  120 0
  4 b111 m112 u111 110 14400
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800
  2 b111 m11  u12  111 3600

 toposort prioritises graph branches

  $ hg up 2
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ touch a
  $ hg addremove
  adding a
  $ hg ci -m 't1' -u 'tu' -d '130 0'
  created new head
  $ echo 'a' >> a
  $ hg ci -m 't2' -u 'tu' -d '130 0'
  $ hg book book1
  $ hg up 4
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  (leaving bookmark book1)
  $ touch a
  $ hg addremove
  adding a
  $ hg ci -m 't3' -u 'tu' -d '130 0'

  $ hg log -r 'sort(all(), topo)'
  7 b111 t3   tu   130 0
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0
  6 b111 t2   tu   130 0
  5 b111 t1   tu   130 0
  2 b111 m11  u12  111 3600
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800

  $ hg log -r 'sort(all(), -topo)'
  0 b12  m111 u112 111 10800
  1 b11  m12  u111 112 7200
  2 b111 m11  u12  111 3600
  5 b111 t1   tu   130 0
  6 b111 t2   tu   130 0
  3 b112 m111 u11  120 0
  4 b111 m112 u111 110 14400
  7 b111 t3   tu   130 0

  $ hg log -r 'sort(all(), topo, topo.firstbranch=book1)'
  6 b111 t2   tu   130 0
  5 b111 t1   tu   130 0
  7 b111 t3   tu   130 0
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0
  2 b111 m11  u12  111 3600
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800

topographical sorting can't be combined with other sort keys, and you can't
use the topo.firstbranch option when topo sort is not active:

  $ hg log -r 'sort(all(), "topo user")'
  hg: parse error: topo sort order cannot be combined with other sort keys
  [255]

  $ hg log -r 'sort(all(), user, topo.firstbranch=book1)'
  hg: parse error: topo.firstbranch can only be used when using the topo sort key
  [255]

topo.firstbranch should accept any kind of expressions:

  $ hg log -r 'sort(0, topo, topo.firstbranch=(book1))'
  0 b12  m111 u112 111 10800

  $ cd ..
  $ cd repo

test multiline revset with errors

  $ echo > multiline-revset
  $ echo '. +' >> multiline-revset
  $ echo '.^ +' >> multiline-revset
  $ hg log -r "`cat multiline-revset`"
  hg: parse error at 9: not a prefix: end
  ( . + .^ +
            ^ here)
  [255]
  $ hg debugrevspec -v 'revset(first(rev(0)))' -p all
  * parsed:
  (func
    (symbol 'revset')
    (func
      (symbol 'first')
      (func
        (symbol 'rev')
        (symbol '0'))))
  * expanded:
  (func
    (symbol 'revset')
    (func
      (symbol 'first')
      (func
        (symbol 'rev')
        (symbol '0'))))
  * concatenated:
  (func
    (symbol 'revset')
    (func
      (symbol 'first')
      (func
        (symbol 'rev')
        (symbol '0'))))
  * analyzed:
  (func
    (symbol 'revset')
    (func
      (symbol 'first')
      (func
        (symbol 'rev')
        (symbol '0'))))
  * optimized:
  (func
    (symbol 'revset')
    (func
      (symbol 'first')
      (func
        (symbol 'rev')
        (symbol '0'))))
  * set:
  <baseset+ [0]>
  0

abort if the revset doesn't expect given size
  $ log 'expectsize()'
  hg: parse error: invalid set of arguments
  [255]
  $ log 'expectsize(0:2, a)'
  hg: parse error: expectsize requires a size range or a positive integer
  [255]
  $ log 'expectsize(0:2, 3)'
  0
  1
  2

  $ log 'expectsize(2:0, 3)'
  2
  1
  0
  $ log 'expectsize(0:1, 1)'
  abort: revset size mismatch. expected 1, got 2!
  [255]
  $ log 'expectsize(0:4, -1)'
  hg: parse error: negative size
  [255]
  $ log 'expectsize(0:2, 2:4)'
  0
  1
  2
  $ log 'expectsize(0:1, 3:5)'
  abort: revset size mismatch. expected between 3 and 5, got 2!
  [255]
  $ log 'expectsize(0:1, -1:2)'
  hg: parse error: negative size
  [255]
  $ log 'expectsize(0:1, 1:-2)'
  hg: parse error: negative size
  [255]
  $ log 'expectsize(0:2, a:4)'
  hg: parse error: size range bounds must be integers
  [255]
  $ log 'expectsize(0:2, 2:b)'
  hg: parse error: size range bounds must be integers
  [255]
  $ log 'expectsize(0:2, 2:)'
  0
  1
  2
  $ log 'expectsize(0:2, :5)'
  0
  1
  2
  $ log 'expectsize(0:2, :)'
  0
  1
  2
  $ log 'expectsize(0:2, 4:)'
  abort: revset size mismatch. expected between 4 and 11, got 3!
  [255]
  $ log 'expectsize(0:2, :2)'
  abort: revset size mismatch. expected between 0 and 2, got 3!
  [255]