view tests/test-subrepo-git.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 88dfe1c279bb
children 580bca200874
line wrap: on
line source

#require git

make git commits repeatable

  $ cat >> $HGRCPATH <<EOF
  > [defaults]
  > commit = -d "0 0"
  > EOF

  $ echo "[core]" >> $HOME/.gitconfig
  $ echo "autocrlf = false" >> $HOME/.gitconfig
  $ GIT_AUTHOR_NAME='test'; export GIT_AUTHOR_NAME
  $ GIT_AUTHOR_EMAIL='test@example.org'; export GIT_AUTHOR_EMAIL
  $ GIT_AUTHOR_DATE='1234567891 +0000'; export GIT_AUTHOR_DATE
  $ GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"; export GIT_COMMITTER_NAME
  $ GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"; export GIT_COMMITTER_EMAIL
  $ GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"; export GIT_COMMITTER_DATE
  $ GIT_CONFIG_NOSYSTEM=1; export GIT_CONFIG_NOSYSTEM

set default branch to value compatible with new and old git version

  $ git config --global init.defaultBranch master

root hg repo

  $ hg init t
  $ cd t
  $ echo a > a
  $ hg add a
  $ hg commit -m a
  $ cd ..

new external git repo

  $ mkdir gitroot
  $ cd gitroot
  $ git init -q
  $ echo g > g
  $ git add g
  $ git commit -q -m g

add subrepo clone

  $ cd ../t
  $ echo 's = [git]../gitroot' > .hgsub
  $ git clone -q ../gitroot s
  $ hg add .hgsub

git subrepo is disabled by default

  $ hg commit -m 'new git subrepo'
  abort: git subrepos not allowed
  (see 'hg help config.subrepos' for details)
  [255]

so enable it

  $ cat >> $HGRCPATH <<EOF
  > [subrepos]
  > git:allowed = true
  > EOF

  $ hg commit -m 'new git subrepo'

  $ hg debugsub
  path s
   source   ../gitroot
   revision da5f5b1d8ffcf62fb8327bcd3c89a4367a6018e7

record a new commit from upstream from a different branch

  $ cd ../gitroot
  $ git checkout -q -b testing
  $ echo gg >> g
  $ git commit -q -a -m gg

  $ cd ../t/s
  $ git pull -q >/dev/null 2>/dev/null
  $ git checkout -q -b testing origin/testing >/dev/null

  $ cd ..
  $ hg status --subrepos
  M s/g
  $ hg commit -m 'update git subrepo'
  $ hg debugsub
  path s
   source   ../gitroot
   revision 126f2a14290cd5ce061fdedc430170e8d39e1c5a

make $GITROOT pushable, by replacing it with a clone with nothing checked out

  $ cd ..
  $ git clone gitroot gitrootbare --bare -q
  $ rm -rf gitroot
  $ mv gitrootbare gitroot

clone root

  $ cd t
  $ hg clone . ../tc 2> /dev/null
  updating to branch default
  cloning subrepo s from $TESTTMP/gitroot
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd ../tc
  $ hg debugsub
  path s
   source   ../gitroot
   revision 126f2a14290cd5ce061fdedc430170e8d39e1c5a
  $ cd ..

clone with subrepo disabled (update should fail)

  $ hg clone t -U tc2 --config subrepos.allowed=false
  $ hg update -R tc2 --config subrepos.allowed=false
  abort: subrepos not enabled
  (see 'hg help config.subrepos' for details)
  [255]
  $ ls tc2
  a

  $ hg clone t tc3 --config subrepos.allowed=false
  updating to branch default
  abort: subrepos not enabled
  (see 'hg help config.subrepos' for details)
  [255]
  $ ls tc3
  a

update to previous substate

  $ cd tc
  $ hg update 1 -q
  $ cat s/g
  g
  $ hg debugsub
  path s
   source   ../gitroot
   revision da5f5b1d8ffcf62fb8327bcd3c89a4367a6018e7

clone root, make local change

  $ cd ../t
  $ hg clone . ../ta 2> /dev/null
  updating to branch default
  cloning subrepo s from $TESTTMP/gitroot
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd ../ta
  $ echo ggg >> s/g
  $ hg status --subrepos
  M s/g
  $ hg diff --subrepos
  diff --git a/s/g b/s/g
  index 089258f..85341ee 100644
  --- a/s/g
  +++ b/s/g
  @@ -1,2 +1,3 @@
   g
   gg
  +ggg
  $ hg commit --subrepos -m ggg
  committing subrepository s
  $ hg debugsub
  path s
   source   ../gitroot
   revision 79695940086840c99328513acbe35f90fcd55e57

clone root separately, make different local change

  $ cd ../t
  $ hg clone . ../tb 2> /dev/null
  updating to branch default
  cloning subrepo s from $TESTTMP/gitroot
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd ../tb/s
  $ hg status --subrepos
  $ echo f > f
  $ hg status --subrepos
  ? s/f
  $ hg add .
  adding f
  $ git add f
  $ cd ..

  $ hg status --subrepos
  A s/f
  $ hg commit --subrepos -m f
  committing subrepository s
  $ hg debugsub
  path s
   source   ../gitroot
   revision aa84837ccfbdfedcdcdeeedc309d73e6eb069edc

user b push changes

  $ hg push 2>/dev/null
  pushing to $TESTTMP/t
  pushing branch testing of subrepository "s"
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files

user a pulls, merges, commits

  $ cd ../ta
  $ hg pull
  pulling from $TESTTMP/t
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  new changesets 089416c11d73
  (run 'hg heads' to see heads, 'hg merge' to merge)
  $ hg merge 2>/dev/null
   subrepository s diverged (local revision: 7969594, remote revision: aa84837)
  you can (m)erge, keep (l)ocal [working copy] or keep (r)emote [merge rev].
  what do you want to do? m
  pulling subrepo s from $TESTTMP/gitroot
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg st --subrepos s
  A s/f
  $ cat s/f
  f
  $ cat s/g
  g
  gg
  ggg
  $ hg commit --subrepos -m 'merge'
  committing subrepository s
  $ hg status --subrepos --rev 1:5
  M .hgsubstate
  M s/g
  A s/f
  $ hg debugsub
  path s
   source   ../gitroot
   revision f47b465e1bce645dbf37232a00574aa1546ca8d3
  $ hg push 2>/dev/null
  pushing to $TESTTMP/t
  pushing branch testing of subrepository "s"
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 1 files

make upstream git changes

  $ cd ..
  $ git clone -q gitroot gitclone
  $ cd gitclone
  $ echo ff >> f
  $ git commit -q -a -m ff
  $ echo fff >> f
  $ git commit -q -a -m fff
  $ git push origin testing 2>/dev/null

make and push changes to hg without updating the subrepo

  $ cd ../t
  $ hg clone . ../td 2>&1 | egrep -v '^Cloning into|^done\.'
  updating to branch default
  cloning subrepo s from $TESTTMP/gitroot
  checking out detached HEAD in subrepository "s"
  check out a git branch if you intend to make changes
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd ../td
  $ echo aa >> a
  $ hg commit -m aa
  $ hg push
  pushing to $TESTTMP/t
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files

sync to upstream git, distribute changes

  $ cd ../ta
  $ hg pull -u -q
  $ cd s
  $ git pull -q >/dev/null 2>/dev/null
  $ cd ..
  $ hg commit -m 'git upstream sync'
  $ hg debugsub
  path s
   source   ../gitroot
   revision 32a343883b74769118bb1d3b4b1fbf9156f4dddc
  $ hg push -q

  $ cd ../tb
  $ hg pull -q
  $ hg update 2>/dev/null
  pulling subrepo s from $TESTTMP/gitroot
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg debugsub
  path s
   source   ../gitroot
   revision 32a343883b74769118bb1d3b4b1fbf9156f4dddc

create a new git branch

  $ cd s
  $ git checkout -b b2
  Switched to a new branch 'b2'
  $ echo a>a
  $ git add a
  $ git commit -qm 'add a'
  $ cd ..
  $ hg commit -m 'add branch in s'

pulling new git branch should not create tracking branch named 'origin/b2'
(issue3870)
  $ cd ../td/s
  $ git remote set-url origin $TESTTMP/tb/s
  $ git branch --no-track oldtesting
  $ cd ..
  $ hg pull -q ../tb
  $ hg up
  From $TESTTMP/tb/s
   * [new branch]      b2         -> origin/b2
  Previous HEAD position was f47b465* merge (glob)
  Switched to a new branch 'b2'
  pulling subrepo s from $TESTTMP/tb/s
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

update to a revision without the subrepo, keeping the local git repository

  $ cd ../t
  $ hg up 0
  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ ls -a s
  .
  ..
  .git

  $ hg up 2
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ ls -a s
  .
  ..
  .git
  g

archive subrepos

  $ cd ../tc
  $ hg pull -q
  $ hg archive --subrepos -r 5 ../archive 2>/dev/null
  pulling subrepo s from $TESTTMP/gitroot
  $ cd ../archive
  $ cat s/f
  f
  $ cat s/g
  g
  gg
  ggg

  $ hg -R ../tc archive --subrepo -r 5 -X ../tc/**f ../archive_x 2>/dev/null
  $ find ../archive_x | sort | grep -v pax_global_header
  ../archive_x
  ../archive_x/.hg_archival.txt
  ../archive_x/.hgsub
  ../archive_x/.hgsubstate
  ../archive_x/a
  ../archive_x/s
  ../archive_x/s/g

  $ hg -R ../tc archive -S ../archive.tgz --prefix '.' 2>/dev/null
  $ tar -tzf ../archive.tgz | sort | grep -v pax_global_header
  .hg_archival.txt
  .hgsub
  .hgsubstate
  a
  s/g

  $ hg -R ../tc archive -S ../lf_archive.tgz --prefix '.' \
  >       --config extensions.largefiles= 2>/dev/null
  $ tar -tzf ../lf_archive.tgz | sort | grep -v pax_global_header
  .hg_archival.txt
  .hgsub
  .hgsubstate
  a
  s/g

create nested repo

  $ cd ..
  $ hg init outer
  $ cd outer
  $ echo b>b
  $ hg add b
  $ hg commit -m b

  $ hg clone ../t inner 2> /dev/null
  updating to branch default
  cloning subrepo s from $TESTTMP/gitroot
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo inner = inner > .hgsub
  $ hg add .hgsub
  $ hg commit -m 'nested sub'

nested commit

  $ echo ffff >> inner/s/f
  $ hg status --subrepos
  M inner/s/f
  $ hg commit --subrepos -m nested
  committing subrepository inner
  committing subrepository inner/s

nested archive

  $ hg archive --subrepos ../narchive
  $ ls ../narchive/inner/s | grep -v pax_global_header
  f
  g

relative source expansion

  $ cd ..
  $ mkdir d
  $ hg clone t d/t 2> /dev/null
  updating to branch default
  cloning subrepo s from $TESTTMP/gitroot
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

Don't crash if the subrepo is missing

  $ hg clone t missing -q
  $ cd missing
  $ rm -rf s
  $ hg status -S
  $ hg sum | grep commit
  commit: 1 subrepos
  $ hg push -q
  abort: subrepo s is missing (in subrepository "s")
  [255]
  $ hg commit --subrepos -qm missing
  abort: subrepo s is missing (in subrepository "s")
  [255]

#if symlink
Don't crash if subrepo is a broken symlink
  $ ln -s broken s
  $ hg status -S
  abort: subrepo 's' traverses symbolic link
  [255]
  $ hg push -q
  abort: subrepo 's' traverses symbolic link
  [255]
  $ hg commit --subrepos -qm missing
  abort: subrepo 's' traverses symbolic link
  [255]
  $ rm s
#endif

  $ hg update -C 2> /dev/null
  cloning subrepo s from $TESTTMP/gitroot
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg sum | grep commit
  commit: (clean)

Don't crash if the .hgsubstate entry is missing

  $ hg update 1 -q
  $ hg rm .hgsubstate
  $ hg commit .hgsubstate -m 'no substate'
  nothing changed
  [1]
  $ hg tag -l nosubstate
  $ hg manifest
  .hgsub
  .hgsubstate
  a

  $ hg status -S
  R .hgsubstate
  $ hg sum | grep commit
  commit: 1 removed, 1 subrepos (new branch head)

  $ hg commit -m 'restore substate'
  nothing changed
  [1]
  $ hg manifest
  .hgsub
  .hgsubstate
  a
  $ hg sum | grep commit
  commit: 1 removed, 1 subrepos (new branch head)

  $ hg update -qC nosubstate
  $ ls s
  g

issue3109: false positives in git diff-index

  $ hg update -q
  $ touch -t 200001010000 s/g
  $ hg status --subrepos
  $ touch -t 200001010000 s/g
  $ hg sum | grep commit
  commit: (clean)

Check hg update --clean
  $ cd $TESTTMP/ta
  $ echo  > s/g
  $ cd s
  $ echo c1 > f1
  $ echo c1 > f2
  $ git add f1
  $ cd ..
  $ hg status -S
  M s/g
  A s/f1
  ? s/f2
  $ ls s
  f
  f1
  f2
  g
  $ hg update --clean
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg status -S
  ? s/f1
  ? s/f2
  $ ls s
  f
  f1
  f2
  g

Sticky subrepositories, no changes
  $ cd $TESTTMP/ta
  $ hg id -n
  7
  $ cd s
  $ git rev-parse HEAD
  32a343883b74769118bb1d3b4b1fbf9156f4dddc
  $ cd ..
  $ hg update 1 > /dev/null 2>&1
  $ hg id -n
  1
  $ cd s
  $ git rev-parse HEAD
  da5f5b1d8ffcf62fb8327bcd3c89a4367a6018e7
  $ cd ..

Sticky subrepositories, file changes
  $ touch s/f1
  $ cd s
  $ git add f1
  $ cd ..
  $ hg id -n
  1+
  $ cd s
  $ git rev-parse HEAD
  da5f5b1d8ffcf62fb8327bcd3c89a4367a6018e7
  $ cd ..
  $ hg update 4
   subrepository s diverged (local revision: da5f5b1, remote revision: aa84837)
  you can (m)erge, keep (l)ocal [working copy] or keep (r)emote [destination].
  what do you want to do? m
   subrepository sources for s differ
  you can use (l)ocal source (da5f5b1) or (r)emote source (aa84837).
  what do you want to do? l
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg id -n
  4+
  $ cd s
  $ git rev-parse HEAD
  da5f5b1d8ffcf62fb8327bcd3c89a4367a6018e7
  $ cd ..
  $ hg update --clean tip > /dev/null 2>&1

Sticky subrepository, revision updates
  $ hg id -n
  7
  $ cd s
  $ git rev-parse HEAD
  32a343883b74769118bb1d3b4b1fbf9156f4dddc
  $ cd ..
  $ cd s
  $ git checkout aa84837ccfbdfedcdcdeeedc309d73e6eb069edc
  Previous HEAD position was 32a3438* fff (glob)
  HEAD is now at aa84837* f (glob)
  $ cd ..
  $ hg update 1
   subrepository s diverged (local revision: 32a3438, remote revision: da5f5b1)
  you can (m)erge, keep (l)ocal [working copy] or keep (r)emote [destination].
  what do you want to do? m
   subrepository sources for s differ (in checked out version)
  you can use (l)ocal source (32a3438) or (r)emote source (da5f5b1).
  what do you want to do? l
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg id -n
  1+
  $ cd s
  $ git rev-parse HEAD
  aa84837ccfbdfedcdcdeeedc309d73e6eb069edc
  $ cd ..

Sticky subrepository, file changes and revision updates
  $ touch s/f1
  $ cd s
  $ git add f1
  $ git rev-parse HEAD
  aa84837ccfbdfedcdcdeeedc309d73e6eb069edc
  $ cd ..
  $ hg id -n
  1+
  $ hg update 7
   subrepository s diverged (local revision: 32a3438, remote revision: 32a3438)
  you can (m)erge, keep (l)ocal [working copy] or keep (r)emote [destination].
  what do you want to do? m
   subrepository sources for s differ
  you can use (l)ocal source (32a3438) or (r)emote source (32a3438).
  what do you want to do? l
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg id -n
  7+
  $ cd s
  $ git rev-parse HEAD
  aa84837ccfbdfedcdcdeeedc309d73e6eb069edc
  $ cd ..

Sticky repository, update --clean
  $ hg update --clean tip 2>/dev/null
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg id -n
  7
  $ cd s
  $ git rev-parse HEAD
  32a343883b74769118bb1d3b4b1fbf9156f4dddc
  $ cd ..

Test subrepo already at intended revision:
  $ cd s
  $ git checkout 32a343883b74769118bb1d3b4b1fbf9156f4dddc
  HEAD is now at 32a3438* fff (glob)
  $ cd ..
  $ hg update 1
  Previous HEAD position was 32a3438* fff (glob)
  HEAD is now at da5f5b1* g (glob)
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg id -n
  1
  $ cd s
  $ git rev-parse HEAD
  da5f5b1d8ffcf62fb8327bcd3c89a4367a6018e7
  $ cd ..

Test forgetting files, not implemented in git subrepo, used to
traceback
#if no-windows
  $ hg forget 'notafile*'
  notafile*: $ENOENT$
  [1]
#else
error: The filename, directory name, or volume label syntax is incorrect
  $ hg forget 'notafile'
  notafile: * (glob)
  [1]
#endif

  $ cd ..

Test sanitizing ".hg/hgrc" in subrepo

  $ cd t
  $ hg tip -q
  7:af6d2edbb0d3
  $ hg update -q -C af6d2edbb0d3
  $ cd s
  $ git checkout -q -b sanitize-test
  $ mkdir .hg
  $ echo '.hg/hgrc in git repo' > .hg/hgrc
  $ mkdir -p sub/.hg
  $ echo 'sub/.hg/hgrc in git repo' > sub/.hg/hgrc
  $ git add .hg sub
  $ git commit -qm 'add .hg/hgrc to be sanitized at hg update'
  $ git push -q origin sanitize-test
  $ cd ..
  $ grep ' s$' .hgsubstate
  32a343883b74769118bb1d3b4b1fbf9156f4dddc s
  $ hg commit -qm 'commit with git revision including .hg/hgrc'
  $ hg parents -q
  8:3473d20bddcf
  $ grep ' s$' .hgsubstate
  c4069473b459cf27fd4d7c2f50c4346b4e936599 s
  $ cd ..

  $ hg -R tc pull -q
  $ hg -R tc update -q -C 3473d20bddcf 2>&1 | sort
  warning: removing potentially hostile 'hgrc' in '$TESTTMP/tc/s/.hg'
  warning: removing potentially hostile 'hgrc' in '$TESTTMP/tc/s/sub/.hg'
  $ cd tc
  $ hg parents -q
  8:3473d20bddcf
  $ grep ' s$' .hgsubstate
  c4069473b459cf27fd4d7c2f50c4346b4e936599 s
  $ test -f s/.hg/hgrc
  [1]
  $ test -f s/sub/.hg/hgrc
  [1]
  $ cd ..

additional test for "git merge --ff" route:

  $ cd t
  $ hg tip -q
  8:3473d20bddcf
  $ hg update -q -C af6d2edbb0d3
  $ cd s
  $ git checkout -q testing
  $ mkdir .hg
  $ echo '.hg/hgrc in git repo' > .hg/hgrc
  $ mkdir -p sub/.hg
  $ echo 'sub/.hg/hgrc in git repo' > sub/.hg/hgrc
  $ git add .hg sub
  $ git commit -qm 'add .hg/hgrc to be sanitized at hg update (git merge --ff)'
  $ git push -q origin testing
  $ cd ..
  $ grep ' s$' .hgsubstate
  32a343883b74769118bb1d3b4b1fbf9156f4dddc s
  $ hg commit -qm 'commit with git revision including .hg/hgrc'
  $ hg parents -q
  9:ed23f7fe024e
  $ grep ' s$' .hgsubstate
  f262643c1077219fbd3858d54e78ef050ef84fbf s
  $ cd ..

  $ cd tc
  $ hg update -q -C af6d2edbb0d3
  $ test -f s/.hg/hgrc
  [1]
  $ test -f s/sub/.hg/hgrc
  [1]
  $ cd ..
  $ hg -R tc pull -q
  $ hg -R tc update -q -C ed23f7fe024e 2>&1 | sort
  warning: removing potentially hostile 'hgrc' in '$TESTTMP/tc/s/.hg'
  warning: removing potentially hostile 'hgrc' in '$TESTTMP/tc/s/sub/.hg'
  $ cd tc
  $ hg parents -q
  9:ed23f7fe024e
  $ grep ' s$' .hgsubstate
  f262643c1077219fbd3858d54e78ef050ef84fbf s
  $ test -f s/.hg/hgrc
  [1]
  $ test -f s/sub/.hg/hgrc
  [1]

Test that sanitizing is omitted in meta data area:

  $ mkdir s/.git/.hg
  $ echo '.hg/hgrc in git metadata area' > s/.git/.hg/hgrc
  $ hg update -q -C af6d2edbb0d3
  checking out detached HEAD in subrepository "s"
  check out a git branch if you intend to make changes

check differences made by most recent change
  $ cd s
  $ cat > foobar << EOF
  > woopwoop
  > 
  > foo
  > bar
  > EOF
  $ git add foobar
  $ cd ..

  $ hg diff --subrepos
  diff --git a/s/foobar b/s/foobar
  new file mode 100644
  index 0000000..8a5a5e2
  --- /dev/null
  +++ b/s/foobar
  @@ -0,0 +1,4 @@
  +woopwoop
  +
  +foo
  +bar

  $ hg commit --subrepos -m "Added foobar"
  committing subrepository s
  created new head

  $ hg diff -c . --subrepos --nodates
  diff -r af6d2edbb0d3 -r 255ee8cf690e .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -32a343883b74769118bb1d3b4b1fbf9156f4dddc s
  +fd4dbf828a5b2fcd36b2bcf21ea773820970d129 s
  diff --git a/s/foobar b/s/foobar
  new file mode 100644
  index 0000000..8a5a5e2
  --- /dev/null
  +++ b/s/foobar
  @@ -0,0 +1,4 @@
  +woopwoop
  +
  +foo
  +bar

check output when only diffing the subrepository
  $ hg diff -c . --subrepos s
  diff --git a/s/foobar b/s/foobar
  new file mode 100644
  index 0000000..8a5a5e2
  --- /dev/null
  +++ b/s/foobar
  @@ -0,0 +1,4 @@
  +woopwoop
  +
  +foo
  +bar

check output when diffing something else
  $ hg diff -c . --subrepos .hgsubstate --nodates
  diff -r af6d2edbb0d3 -r 255ee8cf690e .hgsubstate
  --- a/.hgsubstate
  +++ b/.hgsubstate
  @@ -1,1 +1,1 @@
  -32a343883b74769118bb1d3b4b1fbf9156f4dddc s
  +fd4dbf828a5b2fcd36b2bcf21ea773820970d129 s

add new changes, including whitespace
  $ cd s
  $ cat > foobar << EOF
  > woop    woop
  > 
  > foo
  > bar
  > EOF
  $ echo foo > barfoo
  $ git add barfoo
  $ cd ..

  $ hg diff --subrepos --ignore-all-space
  diff --git a/s/barfoo b/s/barfoo
  new file mode 100644
  index 0000000..257cc56
  --- /dev/null
  +++ b/s/barfoo
  @@ -0,0 +1* @@ (glob)
  +foo
  $ hg diff --subrepos s/foobar
  diff --git a/s/foobar b/s/foobar
  index 8a5a5e2..bd5812a 100644
  --- a/s/foobar
  +++ b/s/foobar
  @@ -1,4 +1,4 @@
  -woopwoop
  +woop    woop
   
   foo
   bar

execute a diffstat
the output contains a regex, because git 1.7.10 and 1.7.11
 change the amount of whitespace
  $ hg diff --subrepos --stat
  \s*barfoo \|\s+1 \+ (re)
  \s*foobar \|\s+2 \+- (re)
   2 files changed, 2 insertions\(\+\), 1 deletions?\(-\) (re)

adding an include should ignore the other elements
  $ hg diff --subrepos -I s/foobar
  diff --git a/s/foobar b/s/foobar
  index 8a5a5e2..bd5812a 100644
  --- a/s/foobar
  +++ b/s/foobar
  @@ -1,4 +1,4 @@
  -woopwoop
  +woop    woop
   
   foo
   bar

adding an exclude should ignore this element
  $ hg diff --subrepos -X s/foobar
  diff --git a/s/barfoo b/s/barfoo
  new file mode 100644
  index 0000000..257cc56
  --- /dev/null
  +++ b/s/barfoo
  @@ -0,0 +1* @@ (glob)
  +foo

moving a file should show a removal and an add
  $ hg revert --all
  reverting subrepo ../gitroot
  $ cd s
  $ git mv foobar woop
  $ cd ..
  $ hg diff --subrepos
  diff --git a/s/foobar b/s/foobar
  deleted file mode 100644
  index 8a5a5e2..0000000
  --- a/s/foobar
  +++ /dev/null
  @@ -1,4 +0,0 @@
  -woopwoop
  -
  -foo
  -bar
  diff --git a/s/woop b/s/woop
  new file mode 100644
  index 0000000..8a5a5e2
  --- /dev/null
  +++ b/s/woop
  @@ -0,0 +1,4 @@
  +woopwoop
  +
  +foo
  +bar
  $ rm s/woop

revert the subrepository
  $ hg revert --all
  reverting subrepo ../gitroot

  $ hg status --subrepos
  ? s/barfoo
  ? s/foobar.orig

  $ mv s/foobar.orig s/foobar

  $ hg revert --no-backup s
  reverting subrepo ../gitroot

  $ hg status --subrepos
  ? s/barfoo

revert moves orig files to the right place
  $ echo 'bloop' > s/foobar
  $ hg revert --all --verbose --config 'ui.origbackuppath=.hg/origbackups'
  reverting subrepo ../gitroot
  creating directory: $TESTTMP/tc/.hg/origbackups/s
  saving current version of foobar as .hg/origbackups/s/foobar
  $ ls .hg/origbackups/s
  foobar
  $ rm -rf .hg/origbackups

show file at specific revision
  $ cat > s/foobar << EOF
  > woop    woop
  > fooo bar
  > EOF
  $ hg commit --subrepos -m "updated foobar"
  committing subrepository s
  $ cat > s/foobar << EOF
  > current foobar
  > (should not be visible using hg cat)
  > EOF

  $ hg cat -r . s/foobar
  woop    woop
  fooo bar (no-eol)
  $ hg cat -r "parents(.)" s/foobar > catparents

  $ mkdir -p tmp/s

  $ hg cat -r "parents(.)" --output tmp/%% s/foobar
  $ diff tmp/% catparents

  $ hg cat -r "parents(.)" --output tmp/%s s/foobar
  $ diff tmp/foobar catparents

  $ hg cat -r "parents(.)" --output tmp/%d/otherfoobar s/foobar
  $ diff tmp/s/otherfoobar catparents

  $ hg cat -r "parents(.)" --output tmp/%p s/foobar
  $ diff tmp/s/foobar catparents

  $ hg cat -r "parents(.)" --output tmp/%H s/foobar
  $ diff tmp/255ee8cf690ec86e99b1e80147ea93ece117cd9d catparents

  $ hg cat -r "parents(.)" --output tmp/%R s/foobar
  $ diff tmp/10 catparents

  $ hg cat -r "parents(.)" --output tmp/%h s/foobar
  $ diff tmp/255ee8cf690e catparents

  $ rm tmp/10
  $ hg cat -r "parents(.)" --output tmp/%r s/foobar
  $ diff tmp/10 catparents

  $ mkdir tmp/tc
  $ hg cat -r "parents(.)" --output tmp/%b/foobar s/foobar
  $ diff tmp/tc/foobar catparents

cleanup
  $ rm -r tmp
  $ rm catparents

add git files, using either files or patterns
  $ echo "hsss! hsssssssh!" > s/snake.python
  $ echo "ccc" > s/c.c
  $ echo "cpp" > s/cpp.cpp

  $ hg add s/snake.python s/c.c s/cpp.cpp
  $ hg st --subrepos s
  M s/foobar
  A s/c.c
  A s/cpp.cpp
  A s/snake.python
  ? s/barfoo
  $ hg revert s
  reverting subrepo ../gitroot

  $ hg add --subrepos "glob:**.python"
  adding s/snake.python
  $ hg st --subrepos s
  A s/snake.python
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  $ hg revert s
  reverting subrepo ../gitroot

  $ hg add --subrepos s
  adding s/barfoo
  adding s/c.c
  adding s/cpp.cpp
  adding s/foobar.orig
  adding s/snake.python
  $ hg st --subrepos s
  A s/barfoo
  A s/c.c
  A s/cpp.cpp
  A s/foobar.orig
  A s/snake.python
  $ hg revert s
  reverting subrepo ../gitroot
make sure everything is reverted correctly
  $ hg st --subrepos s
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  ? s/snake.python

  $ hg add --subrepos --exclude "path:s/c.c"
  adding s/barfoo
  adding s/cpp.cpp
  adding s/foobar.orig
  adding s/snake.python
  $ hg st --subrepos s
  A s/barfoo
  A s/cpp.cpp
  A s/foobar.orig
  A s/snake.python
  ? s/c.c
  $ hg revert --all -q

.hgignore should not have influence in subrepos
  $ cat > .hgignore << EOF
  > syntax: glob
  > *.python
  > EOF
  $ hg add .hgignore
  $ hg add --subrepos "glob:**.python" s/barfoo
  adding s/snake.python
  $ hg st --subrepos s
  A s/barfoo
  A s/snake.python
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  $ hg revert --all -q

.gitignore should have influence,
except for explicitly added files (no patterns)
  $ cat > s/.gitignore << EOF
  > *.python
  > EOF
  $ hg add s/.gitignore
  $ hg st --subrepos s
  A s/.gitignore
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  $ hg st --subrepos s --all
  A s/.gitignore
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  I s/snake.python
  C s/f
  C s/foobar
  C s/g
  $ hg add --subrepos "glob:**.python"
  $ hg st --subrepos s
  A s/.gitignore
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  $ hg add --subrepos s/snake.python
  $ hg st --subrepos s
  A s/.gitignore
  A s/snake.python
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig

correctly do a dry run
  $ hg add --subrepos s --dry-run
  adding s/barfoo
  adding s/c.c
  adding s/cpp.cpp
  adding s/foobar.orig
  $ hg st --subrepos s
  A s/.gitignore
  A s/snake.python
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig

error given when adding an already tracked file
  $ hg add s/.gitignore
  s/.gitignore already tracked!
  [1]
  $ hg add s/g
  s/g already tracked!
  [1]

removed files can be re-added
removing files using 'rm' or 'git rm' has the same effect,
since we ignore the staging area
  $ hg ci --subrepos -m 'snake'
  committing subrepository s
  $ cd s
  $ rm snake.python
(remove leftover .hg so Mercurial doesn't look for a root here)
  $ rm -rf .hg
  $ hg status --subrepos --all .
  R snake.python
  ? barfoo
  ? c.c
  ? cpp.cpp
  ? foobar.orig
  C .gitignore
  C f
  C foobar
  C g
  $ git rm snake.python
  rm 'snake.python'
  $ hg status --subrepos --all .
  R snake.python
  ? barfoo
  ? c.c
  ? cpp.cpp
  ? foobar.orig
  C .gitignore
  C f
  C foobar
  C g
  $ touch snake.python
  $ cd ..
  $ hg add s/snake.python
  $ hg status -S
  M s/snake.python
  ? .hgignore
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  $ hg revert --all -q

make sure we show changed files, rather than changed subtrees
  $ mkdir s/foo
  $ touch s/foo/bwuh
  $ hg add s/foo/bwuh
  $ hg commit -S -m "add bwuh"
  committing subrepository s
  $ hg status -S --change .
  M .hgsubstate
  A s/foo/bwuh
  ? s/barfoo
  ? s/c.c
  ? s/cpp.cpp
  ? s/foobar.orig
  ? s/snake.python.orig

#if git19

test for Git CVE-2016-3068
  $ hg init malicious-subrepository
  $ cd malicious-subrepository
  $ echo "s = [git]ext::sh -c echo% pwned:% \$PWNED_MSG% >pwned.txt" > .hgsub
  $ git init s
  Initialized empty Git repository in $TESTTMP/tc/malicious-subrepository/s/.git/
  $ cd s
  $ git commit --allow-empty -m 'empty'
  [master (root-commit) 153f934] empty
  $ cd ..
  $ hg add .hgsub
  $ hg commit -m "add subrepo"
  $ cd ..
  $ rm -f pwned.txt
  $ unset GIT_ALLOW_PROTOCOL
  $ PWNED_MSG="your git is too old or mercurial has regressed" hg clone \
  > malicious-subrepository malicious-subrepository-protected
  Cloning into '$TESTTMP/tc/malicious-subrepository-protected/s'...
  fatal: transport 'ext' not allowed
  updating to branch default
  cloning subrepo s from ext::sh -c echo% pwned:% $PWNED_MSG% >pwned.txt
  abort: git clone error 128 in s (in subrepository "s")
  [255]
  $ f -Dq pwned.txt
  pwned.txt: file not found

whitelisting of ext should be respected (that's the git submodule behaviour)
  $ rm -f pwned.txt
  $ env GIT_ALLOW_PROTOCOL=ext PWNED_MSG="you asked for it" hg clone \
  > malicious-subrepository malicious-subrepository-clone-allowed
  Cloning into '$TESTTMP/tc/malicious-subrepository-clone-allowed/s'...
  fatal: Could not read from remote repository.
  
  Please make sure you have the correct access rights
  and the repository exists.
  updating to branch default
  cloning subrepo s from ext::sh -c echo% pwned:% $PWNED_MSG% >pwned.txt
  abort: git clone error 128 in s (in subrepository "s")
  [255]
  $ f -Dq pwned.txt
  pwned: you asked for it

#endif

test for ssh exploit with git subrepos 2017-07-25

  $ hg init malicious-proxycommand
  $ cd malicious-proxycommand
  $ echo 's = [git]ssh://-oProxyCommand=rm${IFS}non-existent/path' > .hgsub
  $ git init s
  Initialized empty Git repository in $TESTTMP/tc/malicious-proxycommand/s/.git/
  $ cd s
  $ git commit --allow-empty -m 'empty'
  [master (root-commit) 153f934] empty
  $ cd ..
  $ hg add .hgsub
  $ hg ci -m 'add subrepo'
  $ cd ..
  $ hg clone malicious-proxycommand malicious-proxycommand-clone
  updating to branch default
  abort: potentially unsafe url: 'ssh://-oProxyCommand=rm${IFS}non-existent/path' (in subrepository "s")
  [255]

also check that a percent encoded '-' (%2D) doesn't work

  $ cd malicious-proxycommand
  $ echo 's = [git]ssh://%2DoProxyCommand=rm${IFS}non-existent/path' > .hgsub
  $ hg ci -m 'change url to percent encoded'
  $ cd ..
  $ rm -r malicious-proxycommand-clone
  $ hg clone malicious-proxycommand malicious-proxycommand-clone
  updating to branch default
  abort: potentially unsafe url: 'ssh://-oProxyCommand=rm${IFS}non-existent/path' (in subrepository "s")
  [255]