view tests/test-mq-subrepo.t @ 46582:b0a3ca02d17a

copies-rust: implement PartialEqual manually Now that we know that each (dest, rev) pair has at most a unique CopySource, we can simplify comparison a lot. This "simple" step buy a good share of the previous slowdown back in some case: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 43.304637 s, 34.443661 s, -8.860976 s, × 0.7954, 90 µs/rev Full benchmark: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000043 s, 0.000043 s, +0.000000 s, × 1.0000, 43 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000114 s, 0.000117 s, +0.000003 s, × 1.0263, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004937 s, 0.004892 s, -0.000045 s, × 0.9909, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000339 s, 0.000196 s, -0.000143 s, × 0.5782, 21 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000049 s, 0.000050 s, +0.000001 s, × 1.0204, 50 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000202 s, 0.000117 s, -0.000085 s, × 0.5792, 16 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000409 s, 0.6f1f4a s, -0.000087 s, × 0.7873, 322 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.011984 s, 0.011949 s, -0.000035 s, × 0.9971, 1991 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.050820 s, 0.050802 s, -0.000018 s, × 0.9996, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.087953 s, 0.088090 s, +0.000137 s, × 1.0016, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.062902 s, 0.062079 s, -0.000823 s, × 0.9869, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.679234 s, 0.635337 s, -0.043897 s, × 0.9354, 14 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.013095 s, 0.013262 s, +0.000167 s, × 1.0128, 6631 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.120910 s, 0.120085 s, -0.000825 s, × 0.9932, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000087 s, 0.000085 s, -0.000002 s, × 0.9770, 42 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000110 s, +0.000003 s, × 1.0280, 55 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000186 s, 0.000177 s, -0.000009 s, × 0.9516, 59 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000754 s, 0.000743 s, -0.000011 s, × 0.9854, 82 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.010443 s, 0.010168 s, -0.000275 s, × 0.9737, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015697 s, 0.015946 s, +0.000249 s, × 1.0159, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.063528 s, 0.062712 s, -0.000816 s, × 0.9872, 10 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.545515 s, 0.523832 s, -0.021683 s, × 0.9603, 7 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000089 s, 0.000090 s, +0.000001 s, × 1.0112, 45 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000265 s, 0.000264 s, -0.000001 s, × 0.9962, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000381 s, 0.000187 s, -0.000194 s, × 0.4908, 20 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000672 s, 0.000665 s, -0.000007 s, × 0.9896, 95 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003497 s, 0.003556 s, +0.000059 s, × 1.0169, 1185 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.073204 s, 0.071345 s, -0.001859 s, × 0.9746, 11890 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006482 s, 0.006551 s, +0.000069 s, × 1.0106, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005066 s, 0.005078 s, +0.000012 s, × 1.0024, 123 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.065707 s, 0.065823 s, +0.000116 s, × 1.0018, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.026800 s, 0.027050 s, +0.000250 s, × 1.0093, 43 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.203856 s, 0.202443 s, -0.001413 s, × 0.9931, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.293394 s, 1.261583 s, -0.031811 s, × 0.9754, 8 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 1.698239 s, 1.643869 s, -0.054370 s, × 0.9680, 8 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000875 s, 0.000868 s, -0.000007 s, × 0.9920, 434 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000891 s, 0.000887 s, -0.000004 s, × 0.9955, 443 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000292 s, 0.000168 s, -0.000124 s, × 0.5753, 42 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.003939 s, 0.001160 s, -0.002779 s, × 0.2945, 580 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.033027 s, 0.033016 s, -0.000011 s, × 0.9997, 33016 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.073703 s, 0.073312 s, -0.39ae31 s, × 0.9947, 12218 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006469 s, 0.006485 s, +0.000016 s, × 1.0025, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005278 s, 0.005494 s, +0.000216 s, × 1.0409, 134 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.064995 s, 0.064879 s, -0.000116 s, × 0.9982, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.301041 s, 0.301469 s, +0.000428 s, × 1.0014, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.285575 s, 0.297113 s, +0.011538 s, × 1.0404, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.085597 s, 0.085890 s, +0.000293 s, × 1.0034, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027118 s, 0.027718 s, +0.000600 s, × 1.0221, 45 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 2.119204 s, 2.048949 s, -0.070255 s, × 0.9668, 21 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.701479 s, 0.685924 s, -0.015555 s, × 0.9778, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 4.482399 s, 4.482891 s, +0.000492 s, × 1.0001, 12 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.574082 s, 0.577633 s, +0.003551 s, × 1.0062, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 4.480366 s, 4.397816 s, -0.082550 s, × 0.9816, 12 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.369070 s, 4.370538 s, +0.001468 s, × 1.0003, 12 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.592506 s, 1.570439 s, -0.022067 s, × 0.9861, 8 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 87.824489 s, 88.388512 s, +0.564023 s, × 1.0064, 386 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 43.304637 s, 34.443661 s, -8.860976 s, × 0.7954, 90 µs/rev private : 459513 revs, 33.853687 s, 27.370148 s, -6.483539 s, × 0.8085, 59 µs/rev Differential Revision: https://phab.mercurial-scm.org/D9653
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 16 Dec 2020 11:11:05 +0100
parents f6540aba8e3e
children
line wrap: on
line source

  $ cat <<EOF >> $HGRCPATH
  > [ui]
  > commitsubrepos = Yes
  > [extensions]
  > mq =
  > record =
  > [diff]
  > nodates = 1
  > EOF

  $ stdin=`pwd`/stdin.tmp

fn to create new repository w/dirty subrepo, and cd into it
  $ mkrepo() {
  >     hg init $1
  >     cd $1
  >     hg qinit
  > }

fn to create dirty subrepo
  $ mksubrepo() {
  >     hg init $1
  >     cd $1
  >     echo a > a
  >     hg add
  >     cd ..
  > }

  $ testadd() {
  >     cat - > "$stdin"
  >     mksubrepo sub
  >     echo sub = sub >> .hgsub
  >     hg add .hgsub
  >     echo % abort when adding .hgsub w/dirty subrepo
  >     hg status -S
  >     echo '%' $*
  >     cat "$stdin" | hg $*
  >     echo [$?]
  >     hg -R sub ci -m0sub
  >     echo % update substate when adding .hgsub w/clean updated subrepo
  >     hg status -S
  >     echo '%' $*
  >     cat "$stdin" | hg $*
  >     hg debugsub
  > }

  $ testmod() {
  >     cat - > "$stdin"
  >     mksubrepo sub2
  >     echo sub2 = sub2 >> .hgsub
  >     echo % abort when modifying .hgsub w/dirty subrepo
  >     hg status -S
  >     echo '%' $*
  >     cat "$stdin" | hg $*
  >     echo [$?]
  >     hg -R sub2 ci -m0sub2
  >     echo % update substate when modifying .hgsub w/clean updated subrepo
  >     hg status -S
  >     echo '%' $*
  >     cat "$stdin" | hg $*
  >     hg debugsub
  > }

  $ testrm1() {
  >     cat - > "$stdin"
  >     mksubrepo sub3
  >     echo sub3 = sub3 >> .hgsub
  >     hg ci -Aqmsub3
  >     $EXTRA
  >     echo b >> sub3/a
  >     hg rm .hgsub
  >     echo % update substate when removing .hgsub w/dirty subrepo
  >     hg status -S
  >     echo '%' $*
  >     cat "$stdin" | hg $*
  >     echo % debugsub should be empty
  >     hg debugsub
  > }

  $ testrm2() {
  >     cat - > "$stdin"
  >     mksubrepo sub4
  >     echo sub4 = sub4 >> .hgsub
  >     hg ci -Aqmsub4
  >     $EXTRA
  >     hg rm .hgsub
  >     echo % update substate when removing .hgsub w/clean updated subrepo
  >     hg status -S
  >     echo '%' $*
  >     cat "$stdin" | hg $*
  >     echo % debugsub should be empty
  >     hg debugsub
  > }


handle subrepos safely on qnew

  $ mkrepo repo-2499-qnew
  $ testadd qnew -X path:no-effect -m0 0.diff
  adding a
  % abort when adding .hgsub w/dirty subrepo
  A .hgsub
  A sub/a
  % qnew -X path:no-effect -m0 0.diff
  abort: uncommitted changes in subrepository "sub"
  [255]
  % update substate when adding .hgsub w/clean updated subrepo
  A .hgsub
  A sub/a
  % qnew -X path:no-effect -m0 0.diff
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31

  $ testmod qnew --cwd .. -R repo-2499-qnew -X path:no-effect -m1 1.diff
  adding a
  % abort when modifying .hgsub w/dirty subrepo
  M .hgsub
  A sub2/a
  % qnew --cwd .. -R repo-2499-qnew -X path:no-effect -m1 1.diff
  abort: uncommitted changes in subrepository "sub2"
  [255]
  % update substate when modifying .hgsub w/clean updated subrepo
  M .hgsub
  A sub2/a
  % qnew --cwd .. -R repo-2499-qnew -X path:no-effect -m1 1.diff
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31
  path sub2
   source   sub2
   revision 1f94c7611cc6b74f5a17b16121a1170d44776845

  $ hg qpop -qa
  patch queue now empty
  $ testrm1 qnew -m2 2.diff
  adding a
  % update substate when removing .hgsub w/dirty subrepo
  M sub3/a
  R .hgsub
  % qnew -m2 2.diff
  % debugsub should be empty

  $ hg qpop -qa
  patch queue now empty
  $ testrm2 qnew -m3 3.diff
  adding a
  % update substate when removing .hgsub w/clean updated subrepo
  R .hgsub
  % qnew -m3 3.diff
  % debugsub should be empty

  $ cd ..


handle subrepos safely on qrefresh

  $ mkrepo repo-2499-qrefresh
  $ hg qnew -m0 0.diff
  $ testadd qrefresh
  adding a
  % abort when adding .hgsub w/dirty subrepo
  A .hgsub
  A sub/a
  % qrefresh
  abort: uncommitted changes in subrepository "sub"
  [255]
  % update substate when adding .hgsub w/clean updated subrepo
  A .hgsub
  A sub/a
  % qrefresh
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31

  $ hg qnew -m1 1.diff
  $ testmod qrefresh
  adding a
  % abort when modifying .hgsub w/dirty subrepo
  M .hgsub
  A sub2/a
  % qrefresh
  abort: uncommitted changes in subrepository "sub2"
  [255]
  % update substate when modifying .hgsub w/clean updated subrepo
  M .hgsub
  A sub2/a
  % qrefresh
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31
  path sub2
   source   sub2
   revision 1f94c7611cc6b74f5a17b16121a1170d44776845

  $ hg qpop -qa
  patch queue now empty
  $ EXTRA='hg qnew -m2 2.diff'
  $ testrm1 qrefresh
  adding a
  % update substate when removing .hgsub w/dirty subrepo
  M sub3/a
  R .hgsub
  % qrefresh
  % debugsub should be empty

  $ hg qpop -qa
  patch queue now empty
  $ EXTRA='hg qnew -m3 3.diff'
  $ testrm2 qrefresh
  adding a
  % update substate when removing .hgsub w/clean updated subrepo
  R .hgsub
  % qrefresh
  % debugsub should be empty
  $ EXTRA=

  $ cd ..


handle subrepos safely on qpush/qpop
(and we cannot qpop / qpush with a modified subrepo)

  $ mkrepo repo-2499-qpush
  $ mksubrepo sub
  adding a
  $ hg -R sub ci -m0sub
  $ echo sub = sub > .hgsub
  $ hg add .hgsub
  $ hg commit -m0
  $ hg debugsub
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31
  $ echo foo > ./sub/a
  $ hg -R sub commit -m foo
  $ hg commit -m1
  $ hg qimport -r "0:tip"
  $ hg -R sub id --id
  aa037b301eba

qpop
  $ hg -R sub update 0000
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg qpop
  abort: local changed subrepos found, qrefresh first
  [255]
  $ hg revert sub
  reverting subrepo sub
  adding sub/a
  $ hg qpop
  popping 1
  now at: 0
  $ hg status -AS
  C .hgsub
  C .hgsubstate
  C sub/a
  $ hg -R sub id --id
  b2fdb12cd82b

qpush
  $ hg -R sub update 0000
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg qpush
  abort: local changed subrepos found, qrefresh first
  [255]
  $ hg revert sub
  reverting subrepo sub
  adding sub/a
  $ hg qpush
  applying 1
   subrepository sub diverged (local revision: b2fdb12cd82b, remote revision: aa037b301eba)
  you can (m)erge, keep (l)ocal or keep (r)emote.
  what do you want to do? m
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  now at: 1
  $ hg status -AS
  C .hgsub
  C .hgsubstate
  C sub/a
  $ hg -R sub id --id
  aa037b301eba

  $ cd ..


handle subrepos safely on qrecord

  $ mkrepo repo-2499-qrecord
  $ testadd qrecord --config ui.interactive=1 -m0 0.diff <<EOF
  > y
  > y
  > EOF
  adding a
  % abort when adding .hgsub w/dirty subrepo
  A .hgsub
  A sub/a
  % qrecord --config ui.interactive=1 -m0 0.diff
  abort: uncommitted changes in subrepository "sub"
  [255]
  % update substate when adding .hgsub w/clean updated subrepo
  A .hgsub
  A sub/a
  % qrecord --config ui.interactive=1 -m0 0.diff
  diff --git a/.hgsub b/.hgsub
  new file mode 100644
  examine changes to '.hgsub'?
  (enter ? for help) [Ynesfdaq?] y
  
  @@ -0,0 +1,1 @@
  +sub = sub
  record this change to '.hgsub'?
  (enter ? for help) [Ynesfdaq?] y
  
  warning: subrepo spec file '.hgsub' not found
  warning: subrepo spec file '.hgsub' not found
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31
  $ testmod qrecord --config ui.interactive=1 -m1 1.diff <<EOF
  > y
  > y
  > EOF
  adding a
  % abort when modifying .hgsub w/dirty subrepo
  M .hgsub
  A sub2/a
  % qrecord --config ui.interactive=1 -m1 1.diff
  abort: uncommitted changes in subrepository "sub2"
  [255]
  % update substate when modifying .hgsub w/clean updated subrepo
  M .hgsub
  A sub2/a
  % qrecord --config ui.interactive=1 -m1 1.diff
  diff --git a/.hgsub b/.hgsub
  1 hunks, 1 lines changed
  examine changes to '.hgsub'?
  (enter ? for help) [Ynesfdaq?] y
  
  @@ -1,1 +1,2 @@
   sub = sub
  +sub2 = sub2
  record this change to '.hgsub'?
  (enter ? for help) [Ynesfdaq?] y
  
  path sub
   source   sub
   revision b2fdb12cd82b021c3b7053d67802e77b6eeaee31
  path sub2
   source   sub2
   revision 1f94c7611cc6b74f5a17b16121a1170d44776845

  $ hg qpop -qa
  patch queue now empty
  $ testrm1 qrecord --config ui.interactive=1 -m2 2.diff <<EOF
  > y
  > y
  > EOF
  adding a
  % update substate when removing .hgsub w/dirty subrepo
  M sub3/a
  R .hgsub
  % qrecord --config ui.interactive=1 -m2 2.diff
  diff --git a/.hgsub b/.hgsub
  deleted file mode 100644
  examine changes to '.hgsub'?
  (enter ? for help) [Ynesfdaq?] y
  
  % debugsub should be empty

  $ hg qpop -qa
  patch queue now empty
  $ testrm2 qrecord --config ui.interactive=1 -m3 3.diff <<EOF
  > y
  > y
  > EOF
  adding a
  % update substate when removing .hgsub w/clean updated subrepo
  R .hgsub
  % qrecord --config ui.interactive=1 -m3 3.diff
  diff --git a/.hgsub b/.hgsub
  deleted file mode 100644
  examine changes to '.hgsub'?
  (enter ? for help) [Ynesfdaq?] y
  
  % debugsub should be empty

  $ cd ..


correctly handle subrepos with patch queues
  $ mkrepo repo-subrepo-with-queue
  $ mksubrepo sub
  adding a
  $ hg -R sub qnew sub0.diff
  $ echo sub = sub >> .hgsub
  $ hg add .hgsub
  $ hg qnew 0.diff

  $ cd ..

check whether MQ operations can import updated .hgsubstate correctly
both into 'revision' and 'patch file under .hg/patches':

  $ hg init importing-hgsubstate
  $ cd importing-hgsubstate

  $ echo a > a
  $ hg commit -u test -d '0 0' -Am '#0 in parent'
  adding a
  $ hg init sub
  $ echo sa > sub/sa
  $ hg -R sub commit -u test -d '0 0' -Am '#0 in sub'
  adding sa
  $ echo 'sub = sub' > .hgsub
  $ touch .hgsubstate
  $ hg add .hgsub .hgsubstate

  $ hg qnew -u test -d '0 0' import-at-qnew
  $ hg -R sub parents --template '{node} sub\n'
  b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  $ cat .hgsubstate
  b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  $ hg diff -c tip
  diff -r f499373e340c -r f69e96d86e75 .hgsub
  --- /dev/null
  +++ b/.hgsub
  @@ -0,0 +1,1 @@
  +sub = sub
  diff -r f499373e340c -r f69e96d86e75 .hgsubstate
  --- /dev/null
  +++ b/.hgsubstate
  @@ -0,0 +1,1 @@
  +b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  $ cat .hg/patches/import-at-qnew
  # HG changeset patch
  # User test
  # Date 0 0
  # Parent  f499373e340cdca5d01dee904aeb42dd2a325e71
  
  diff -r f499373e340c -r f69e96d86e75 .hgsub
  --- /dev/null
  +++ b/.hgsub
  @@ -0,0 +1,1 @@
  +sub = sub
  diff -r f499373e340c -r f69e96d86e75 .hgsubstate
  --- /dev/null
  +++ b/.hgsubstate
  @@ -0,0 +1,1 @@
  +b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  $ hg parents --template '{node}\n'
  f69e96d86e75a6d4fd88285dc9697acb23951041
  $ hg parents --template '{files}\n'
  .hgsub .hgsubstate

check also whether qnew not including ".hgsubstate" explicitly causes
as same result (in node hash) as one including it.

  $ hg qpop -a -q
  patch queue now empty
  $ hg qdelete import-at-qnew
  $ echo 'sub = sub' > .hgsub
  $ hg add .hgsub
  $ rm -f .hgsubstate
  $ hg qnew -u test -d '0 0' import-at-qnew
  $ hg parents --template '{node}\n'
  f69e96d86e75a6d4fd88285dc9697acb23951041
  $ hg parents --template '{files}\n'
  .hgsub .hgsubstate

check whether qrefresh imports updated .hgsubstate correctly

  $ hg qpop
  popping import-at-qnew
  patch queue now empty
  $ hg qpush
  applying import-at-qnew
  now at: import-at-qnew
  $ hg parents --template '{files}\n'
  .hgsub .hgsubstate

  $ hg qnew import-at-qrefresh
  $ echo sb > sub/sb
  $ hg -R sub commit -u test -d '0 0' -Am '#1 in sub'
  adding sb
  $ hg qrefresh -u test -d '0 0'
  $ hg -R sub parents --template '{node} sub\n'
  88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ cat .hgsubstate
  88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ hg diff -c tip
  diff -r 05b056bb9c8c -r d987bec230f4 .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  +88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ cat .hg/patches/import-at-qrefresh
  # HG changeset patch
  # User test
  # Date 0 0
  # Parent  05b056bb9c8c05ff15258b84fd42ab3527271033
  
  diff -r 05b056bb9c8c .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  +88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ hg parents --template '{files}\n'
  .hgsubstate

  $ hg qrefresh -u test -d '0 0'
  $ cat .hgsubstate
  88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ hg diff -c tip
  diff -r 05b056bb9c8c -r d987bec230f4 .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  +88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ cat .hg/patches/import-at-qrefresh
  # HG changeset patch
  # User test
  # Date 0 0
  # Parent  05b056bb9c8c05ff15258b84fd42ab3527271033
  
  diff -r 05b056bb9c8c .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  +88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ hg parents --template '{files}\n'
  .hgsubstate

  $ hg update -C tip
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg qpop -a
  popping import-at-qrefresh
  popping import-at-qnew
  patch queue now empty

  $ hg -R sub update -C 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo 'sub = sub' > .hgsub
  $ hg commit -Am '#1 in parent'
  adding .hgsub
  $ hg -R sub update -C 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg commit -Am '#2 in parent (but will be rolled back soon)'
  $ hg rollback
  repository tip rolled back to revision 1 (undo commit)
  working directory now based on revision 1
  $ hg status
  M .hgsubstate
  $ hg qnew -u test -d '0 0' checkstate-at-qnew
  $ hg -R sub parents --template '{node} sub\n'
  88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ cat .hgsubstate
  88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ hg diff -c tip
  diff -r 4d91eb2fa1d1 -r 1259c112d884 .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  +88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ cat .hg/patches/checkstate-at-qnew
  # HG changeset patch
  # User test
  # Date 0 0
  # Parent  4d91eb2fa1d1b22ec513347b9cd06f6b49d470fa
  
  diff -r 4d91eb2fa1d1 -r 1259c112d884 .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -b6f6e9c41f3dfd374a6d2ed4535c87951cf979cf sub
  +88ac1bef5ed43b689d1d200b59886b675dec474b sub
  $ hg parents --template '{files}\n'
  .hgsubstate

check whether qrefresh not including ".hgsubstate" explicitly causes
as same result (in node hash) as one including it.

  $ hg update -C -q 0
  $ hg qpop -a -q
  patch queue now empty
  $ hg qnew -u test -d '0 0' add-hgsub-at-qrefresh
  $ echo 'sub = sub' > .hgsub
  $ echo > .hgsubstate
  $ hg add .hgsub .hgsubstate
  $ hg qrefresh -u test -d '0 0'
  $ hg parents --template '{node}\n'
  7c48c35501aae6770ed9c2517014628615821a8e
  $ hg parents --template '{files}\n'
  .hgsub .hgsubstate

  $ hg qpop -a -q
  patch queue now empty
  $ hg qdelete add-hgsub-at-qrefresh
  $ hg qnew -u test -d '0 0' add-hgsub-at-qrefresh
  $ echo 'sub = sub' > .hgsub
  $ hg add .hgsub
  $ rm -f .hgsubstate
  $ hg qrefresh -u test -d '0 0'
  $ hg parents --template '{node}\n'
  7c48c35501aae6770ed9c2517014628615821a8e
  $ hg parents --template '{files}\n'
  .hgsub .hgsubstate

  $ cd ..

  $ cd ..