tests/test-exchange-obsmarkers-case-B4.t

commit: move sorting of added and removed files list to lower level

localrepo.commitctx() has lists of all changed files, as well as lists
of added and removed files. The list of all files is unsorted and
changelog.add() will sort it. Let's also sort the lists of added and
removed files at a lower level (manifestrevlog.add()) for
consistency. It also seems safer to do it there, just before we write
them to the store. That way other callers won't be able to create
invalid commits (or whatever the consequence is) by passing in
unsorted lists. Also, alternative storages may not care that the lists
are sorted. I don't think this will be a performance problem (someone
should have fixed the sorting in changelog.add() if it were).

Differential Revision: https://phab.mercurial-scm.org/D6390

============================================
Testing obsolescence markers push: Cases B.4
============================================

Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of
all changesets that requested to be "in sync" after the push (even if they are
already on both side).

This test belongs to a series of tests checking such set is properly computed
and applied. This does not tests "obsmarkers" discovery capabilities.

Category B: pruning case
TestCase 4: Pruned changeset on common part of the history
Variants:
# a: explicite push
# b: bare push

B.4 Pruned changeset on common part of history
=============================================

.. {{{
..   ⊗ C
..   | ● B
..   | |
..   | ● A
..   |/
..   ● O
.. }}}
..
.. Marker exist from:
..
..  * C (prune)
..
.. Command run:
..
..  * hg push -r B
..  * hg push
..
.. Expected exchange:
..
..  * prune for C

Setup
-----

  $ . $TESTDIR/testlib/exchange-obsmarker-util.sh

initial

  $ setuprepos B.4
  creating test repo for test case B.4
  - pulldest
  - main
  - pushdest
  cd into `main` and proceed with env setup
  $ cd main
  $ mkcommit A
  $ mkcommit B
  $ hg phase --public .
  $ hg push ../pushdest
  pushing to ../pushdest
  searching for changes
  remote: adding changesets
  remote: adding manifests
  remote: adding file changes
  remote: added 2 changesets with 2 changes to 2 files
  $ hg push ../pulldest
  pushing to ../pulldest
  searching for changes
  remote: adding changesets
  remote: adding manifests
  remote: adding file changes
  remote: added 2 changesets with 2 changes to 2 files
  $ hg update -q 0
  $ mkcommit C
  created new head
  $ hg prune -qd '0 0' .
  $ hg log -G --hidden
  x  7f7f229b13a6 (draft): C
  |
  | o  f6fbb35d8ac9 (public): B
  | |
  | o  f5bc6836db60 (public): A
  |/
  @  a9bdc8b26820 (public): O
  
  $ inspect_obsmarkers
  obsstore content
  ================
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  $ cd ..
  $ cd ..

  $ cp -R B.4 B.4.a
  $ cp -R B.4 B.4.b

Actual Test (explicit push version)
-----------------------------------

  $ dotest B.4.a O
  ## Running testcase B.4.a
  # testing echange of "O" (a9bdc8b26820)
  ## initial state
  # obstore: main
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pushdest
  # obstore: pulldest
  ## pushing "O" from main to pushdest
  pushing to pushdest
  searching for changes
  no changes found
  remote: 1 new obsolescence markers
  ## post push state
  # obstore: main
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pushdest
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pulldest
  ## pulling "a9bdc8b26820" from main into pulldest
  pulling from main
  no changes found
  1 new obsolescence markers
  ## post pull state
  # obstore: main
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pushdest
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pulldest
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

Actual Test (bare push version)
-----------------------------------

  $ dotest B.4.b
  ## Running testcase B.4.b
  ## initial state
  # obstore: main
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pushdest
  # obstore: pulldest
  ## pushing from main to pushdest
  pushing to pushdest
  searching for changes
  no changes found
  remote: 1 new obsolescence markers
  ## post push state
  # obstore: main
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pushdest
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pulldest
  ## pulling from main into pulldest
  pulling from main
  searching for changes
  no changes found
  1 new obsolescence markers
  ## post pull state
  # obstore: main
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pushdest
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
  # obstore: pulldest
  7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}