view tests/test-mq-guards.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

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH

  $ hg init
  $ hg qinit

  $ echo x > x
  $ hg ci -Ama
  adding x

  $ hg qnew a.patch
  $ echo a > a
  $ hg add a
  $ hg qrefresh

  $ hg qnew b.patch
  $ echo b > b
  $ hg add b
  $ hg qrefresh

  $ hg qnew c.patch
  $ echo c > c
  $ hg add c
  $ hg qrefresh

  $ hg qpop -a
  popping c.patch
  popping b.patch
  popping a.patch
  patch queue now empty


should fail

  $ hg qguard does-not-exist.patch +bleh
  abort: no patch named does-not-exist.patch
  [255]


should fail

  $ hg qguard +fail
  abort: no patches applied
  [255]

  $ hg qpush
  applying a.patch
  now at: a.patch

should guard a.patch

  $ hg qguard +a

should print +a

  $ hg qguard
  a.patch: +a
  $ hg qpop
  popping a.patch
  patch queue now empty


should fail

  $ hg qpush a.patch
  cannot push 'a.patch' - guarded by '+a'
  [1]

  $ hg qguard a.patch
  a.patch: +a

should push b.patch

  $ hg qpush
  applying b.patch
  now at: b.patch

  $ hg qpop
  popping b.patch
  patch queue now empty

test selection of an empty guard

  $ hg qselect ""
  abort: guard cannot be an empty string
  [255]
  $ hg qselect a
  number of unguarded, unapplied patches has changed from 2 to 3

should push a.patch

  $ hg qpush
  applying a.patch
  now at: a.patch

  $ hg qguard -- c.patch -a

should print -a

  $ hg qguard c.patch
  c.patch: -a


should skip c.patch

  $ hg qpush -a
  applying b.patch
  skipping c.patch - guarded by '-a'
  now at: b.patch
  $ hg qnext
  all patches applied
  [1]

should display b.patch

  $ hg qtop
  b.patch

  $ hg qguard -n c.patch

should push c.patch

  $ hg qpush -a
  applying c.patch
  now at: c.patch

  $ hg qpop -a
  popping c.patch
  popping b.patch
  popping a.patch
  patch queue now empty
  $ hg qselect -n
  guards deactivated
  number of unguarded, unapplied patches has changed from 3 to 2

should push all

  $ hg qpush -a
  applying b.patch
  applying c.patch
  now at: c.patch

  $ hg qpop -a
  popping c.patch
  popping b.patch
  patch queue now empty
  $ hg qguard a.patch +1
  $ hg qguard b.patch +2
  $ hg qselect 1
  number of unguarded, unapplied patches has changed from 1 to 2

should push a.patch, not b.patch

  $ hg qpush
  applying a.patch
  now at: a.patch
  $ hg qpush
  applying c.patch
  now at: c.patch
  $ hg qpop -a
  popping c.patch
  popping a.patch
  patch queue now empty

  $ hg qselect 2

should push b.patch

  $ hg qpush
  applying b.patch
  now at: b.patch
  $ hg qpush -a
  applying c.patch
  now at: c.patch
  $ hg qprev
  b.patch

Used to be an issue with holes in the patch sequence
So, put one hole on the base and ask for topmost patch.

  $ hg qtop
  c.patch
  $ hg qpop -a
  popping c.patch
  popping b.patch
  patch queue now empty

  $ hg qselect 1 2
  number of unguarded, unapplied patches has changed from 2 to 3

should push a.patch, b.patch

  $ hg qpush
  applying a.patch
  now at: a.patch
  $ hg qpush
  applying b.patch
  now at: b.patch
  $ hg qpop -a
  popping b.patch
  popping a.patch
  patch queue now empty

  $ hg qguard -- a.patch +1 +2 -3
  $ hg qselect 1 2 3
  number of unguarded, unapplied patches has changed from 3 to 2


list patches and guards

  $ hg qguard -l
  a.patch: +1 +2 -3
  b.patch: +2
  c.patch: unguarded

have at least one patch applied to test coloring

  $ hg qpush
  applying b.patch
  now at: b.patch

list patches and guards with color

  $ hg --config extensions.color= qguard --config color.mode=ansi \
  >     -l --color=always
  \x1b[0;30;1ma.patch\x1b[0m: \x1b[0;33m+1\x1b[0m \x1b[0;33m+2\x1b[0m \x1b[0;31m-3\x1b[0m (esc)
  \x1b[0;34;1;4mb.patch\x1b[0m: \x1b[0;33m+2\x1b[0m (esc)
  \x1b[0;30;1mc.patch\x1b[0m: \x1b[0;32munguarded\x1b[0m (esc)

should pop b.patch

  $ hg qpop
  popping b.patch
  patch queue now empty

list series

  $ hg qseries -v
  0 G a.patch
  1 U b.patch
  2 U c.patch

list guards

  $ hg qselect
  1
  2
  3

should push b.patch

  $ hg qpush
  applying b.patch
  now at: b.patch

  $ hg qpush -a
  applying c.patch
  now at: c.patch
  $ hg qselect -n --reapply -v
  guards deactivated
  popping guarded patches
  popping c.patch
  popping b.patch
  patch queue now empty
  reapplying unguarded patches
  skipping a.patch - guarded by '+1' '+2'
  skipping b.patch - guarded by '+2'
  skipping a.patch - guarded by '+1' '+2'
  skipping b.patch - guarded by '+2'
  applying c.patch
  patching file c
  adding c
  committing files:
  c
  committing manifest
  committing changelog
  now at: c.patch

guards in series file: +1 +2 -3

  $ hg qselect -s
  +1
  +2
  -3

should show c.patch

  $ hg qapplied
  c.patch

  $ hg qrename a.patch new.patch

should show :


new.patch: +1 +2 -3


b.patch: +2


c.patch: unguarded

  $ hg qguard -l
  new.patch: +1 +2 -3
  b.patch: +2
  c.patch: unguarded

  $ hg qnew d.patch
  $ hg qpop
  popping d.patch
  now at: c.patch

should show new.patch and b.patch as Guarded, c.patch as Applied


and d.patch as Unapplied

  $ hg qseries -v
  0 G new.patch
  1 G b.patch
  2 A c.patch
  3 U d.patch

qseries again, but with color

  $ hg --config extensions.color= --config color.mode=ansi qseries -v --color=always
  0 G \x1b[0;30;1mnew.patch\x1b[0m (esc)
  1 G \x1b[0;30;1mb.patch\x1b[0m (esc)
  2 A \x1b[0;34;1;4mc.patch\x1b[0m (esc)
  3 U \x1b[0;30;1md.patch\x1b[0m (esc)

  $ hg qguard d.patch +2

new.patch, b.patch: Guarded. c.patch: Applied. d.patch: Guarded.

  $ hg qseries -v
  0 G new.patch
  1 G b.patch
  2 A c.patch
  3 G d.patch

  $ qappunappv()
  > {
  >     for command in qapplied "qapplied -v" qunapplied "qunapplied -v"; do
  >         echo % hg $command
  >         hg $command
  >     done
  > }

  $ hg qpop -a
  popping c.patch
  patch queue now empty
  $ hg qguard -l
  new.patch: +1 +2 -3
  b.patch: +2
  c.patch: unguarded
  d.patch: +2
  $ qappunappv
  % hg qapplied
  % hg qapplied -v
  % hg qunapplied
  c.patch
  % hg qunapplied -v
  0 G new.patch
  1 G b.patch
  2 U c.patch
  3 G d.patch
  $ hg qselect 1
  number of unguarded, unapplied patches has changed from 1 to 2
  $ qappunappv
  % hg qapplied
  % hg qapplied -v
  % hg qunapplied
  new.patch
  c.patch
  % hg qunapplied -v
  0 U new.patch
  1 G b.patch
  2 U c.patch
  3 G d.patch
  $ hg qpush -a
  applying new.patch
  skipping b.patch - guarded by '+2'
  applying c.patch
  skipping d.patch - guarded by '+2'
  now at: c.patch
  $ qappunappv
  % hg qapplied
  new.patch
  c.patch
  % hg qapplied -v
  0 A new.patch
  1 G b.patch
  2 A c.patch
  % hg qunapplied
  % hg qunapplied -v
  3 G d.patch
  $ hg qselect 2
  number of unguarded, unapplied patches has changed from 0 to 1
  $ qappunappv
  % hg qapplied
  new.patch
  c.patch
  % hg qapplied -v
  0 A new.patch
  1 U b.patch
  2 A c.patch
  % hg qunapplied
  d.patch
  % hg qunapplied -v
  3 U d.patch

  $ for patch in `hg qseries`; do
  >     echo % hg qapplied $patch
  >     hg qapplied $patch
  >     echo % hg qunapplied $patch
  >     hg qunapplied $patch
  > done
  % hg qapplied new.patch
  new.patch
  % hg qunapplied new.patch
  b.patch
  d.patch
  % hg qapplied b.patch
  new.patch
  % hg qunapplied b.patch
  d.patch
  % hg qapplied c.patch
  new.patch
  c.patch
  % hg qunapplied c.patch
  d.patch
  % hg qapplied d.patch
  new.patch
  c.patch
  % hg qunapplied d.patch


hg qseries -m: only b.patch should be shown
the guards file was not ignored in the past

  $ hg qdelete -k b.patch
  $ hg qseries -m
  b.patch

hg qseries -m with color

  $ hg --config extensions.color= --config color.mode=ansi qseries -m --color=always
  \x1b[0;31;1mb.patch\x1b[0m (esc)


excercise corner cases in "qselect --reapply"

  $ hg qpop -a
  popping c.patch
  popping new.patch
  patch queue now empty
  $ hg qguard -- new.patch -not-new
  $ hg qguard -- c.patch -not-c
  $ hg qguard -- d.patch -not-d
  $ hg qpush -a
  applying new.patch
  applying c.patch
  applying d.patch
  patch d.patch is empty
  now at: d.patch
  $ hg qguard -l
  new.patch: -not-new
  c.patch: -not-c
  d.patch: -not-d
  $ hg qselect --reapply not-d
  popping guarded patches
  popping d.patch
  now at: c.patch
  reapplying unguarded patches
  cannot push 'd.patch' - guarded by '-not-d'
  $ hg qser -v
  0 A new.patch
  1 A c.patch
  2 G d.patch
  $ hg qselect --reapply -n
  guards deactivated
  $ hg qpush
  applying d.patch
  patch d.patch is empty
  now at: d.patch
  $ hg qser -v
  0 A new.patch
  1 A c.patch
  2 A d.patch
  $ hg qselect --reapply not-c
  popping guarded patches
  popping d.patch
  popping c.patch
  now at: new.patch
  reapplying unguarded patches
  applying d.patch
  patch d.patch is empty
  now at: d.patch
  $ hg qser -v
  0 A new.patch
  1 G c.patch
  2 A d.patch
  $ hg qselect --reapply not-new
  popping guarded patches
  popping d.patch
  popping new.patch
  patch queue now empty
  reapplying unguarded patches
  applying c.patch
  applying d.patch
  patch d.patch is empty
  now at: d.patch
  $ hg qser -v
  0 G new.patch
  1 A c.patch
  2 A d.patch

test that qselect shows "number of guarded, applied patches" correctly

  $ hg qimport -q -e b.patch
  adding b.patch to series file
  $ hg qguard -- b.patch -not-b
  $ hg qpop -a -q
  patch queue now empty
  $ hg qunapplied -v
  0 G new.patch
  1 U c.patch
  2 U d.patch
  3 U b.patch
  $ hg qselect not-new not-c
  number of unguarded, unapplied patches has changed from 3 to 2
  $ hg qpush -q -a
  patch d.patch is empty
  now at: b.patch

  $ hg qapplied -v
  0 G new.patch
  1 G c.patch
  2 A d.patch
  3 A b.patch
  $ hg qselect --none
  guards deactivated
  $ hg qselect not-new not-c not-d
  number of guarded, applied patches has changed from 0 to 1

test that "qselect --reapply" reapplies patches successfully when the
already applied patch becomes unguarded and it follows the already
guarded (= not yet applied) one.

  $ hg qpop -q -a
  patch queue now empty
  $ hg qselect not-new not-c
  number of unguarded, unapplied patches has changed from 1 to 2
  $ hg qpush -q -a
  patch d.patch is empty
  now at: b.patch
  $ hg qapplied -v
  0 G new.patch
  1 G c.patch
  2 A d.patch
  3 A b.patch
  $ hg qselect -q --reapply not-c not-b
  now at: d.patch
  cannot push 'b.patch' - guarded by '-not-b'
  $ hg qseries -v
  0 U new.patch
  1 G c.patch
  2 A d.patch
  3 G b.patch

test that "qselect --reapply" checks applied patches correctly when no
applied patches becomes guarded but some of unapplied ones become
unguarded.

  $ hg qpop -q -a
  patch queue now empty
  $ hg qselect not-new not-c not-d
  number of unguarded, unapplied patches has changed from 2 to 1
  $ hg qpush -q -a
  now at: b.patch
  $ hg qapplied -v
  0 G new.patch
  1 G c.patch
  2 G d.patch
  3 A b.patch
  $ hg qselect -q --reapply not-new not-c
  $ hg qseries -v
  0 G new.patch
  1 G c.patch
  2 U d.patch
  3 A b.patch