view tests/test-exchange-multi-source.t @ 47072:4c041c71ec01

revlog: introduce an explicit tracking of what the revlog is about

Since the dawn of time, people have been forced to rely to lossy introspection
of the index filename to determine what the purpose and role of the revlog they
encounter is. This is hacky, error prone, inflexible, abstraction-leaky,
<insert-your-own-complaints-here>.

In f63299ee7e4d Raphaël introduced a new attribute to track this information:
`revlog_kind`. However it is initialized in an odd place and various instances
end up not having it set. In addition is only tracking some of the information
we end up having to introspect in various pieces of code.

So we add a new attribute that holds more data and is more strictly enforced.
This work is done in collaboration with Raphaël.

The `revlog_kind` one will be removed/adapted in the next changeset. We expect
to be able to clean up various existing piece of code and to simplify coming
work around the newer revlog format.

Differential Revision: https://phab.mercurial-scm.org/D10352

====================================================
Test push/pull from multiple source at the same time
====================================================


Setup
=====

main repository
---------------

  $ . $RUNTESTDIR/testlib/common.sh
  $ hg init main-repo
  $ cd main-repo
  $ mkcommit A
  $ mkcommit B
  $ mkcommit C
  $ mkcommit D
  $ mkcommit E
  $ hg up 'desc(B)'
  0 files updated, 0 files merged, 3 files removed, 0 files unresolved
  $ mkcommit F
  created new head
  $ mkcommit G
  $ hg up 'desc(C)'
  1 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ mkcommit H
  created new head
  $ hg up null --quiet
  $ hg log -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 7
  |
  | o  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  | o  G 6
  | |
  | o  F 5
  |/
  o  B 1
  |
  o  A 0
  
  $ cd ..

Various other repositories
--------------------------

  $ hg clone main-repo branch-E --rev 4 -U
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 5 changes to 5 files
  new changesets 4a2df7238c3b:a603bfb5a83e
  $ hg clone main-repo branch-G --rev 6 -U
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files
  new changesets 4a2df7238c3b:c521a06b234b
  $ hg clone main-repo branch-H --rev 7 -U
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files
  new changesets 4a2df7238c3b:40faebb2ec45

Test simple bare operation
==========================

pull
----

  $ hg clone main-repo test-repo-bare --rev 0 -U
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  new changesets 4a2df7238c3b

  $ hg pull -R test-repo-bare ./branch-E ./branch-G ./branch-H
  pulling from ./branch-E
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files
  new changesets 27547f69f254:a603bfb5a83e
  (run 'hg update' to get a working copy)
  pulling from ./branch-G
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+1 heads)
  new changesets 2f3a4c5c1417:c521a06b234b
  (run 'hg heads' to see heads, 'hg merge' to merge)
  pulling from ./branch-H
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  new changesets 40faebb2ec45
  (run 'hg heads .' to see heads, 'hg merge' to merge)
  $ hg log -R test-repo-bare -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 7
  |
  | o  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  | o  G 6
  | |
  | o  F 5
  |/
  o  B 1
  |
  o  A 0
  

push
----

  $ cp -R ./branch-E ./branch-E-push
  $ cp -R ./branch-G ./branch-G-push
  $ cp -R ./branch-H ./branch-H-push
  $ hg out -G -R test-repo-bare ./branch-E-push ./branch-G-push ./branch-H-push
  comparing with ./branch-E-push
  searching for changes
  comparing with ./branch-G-push
  searching for changes
  comparing with ./branch-H-push
  searching for changes
  o  changeset:   7:40faebb2ec45
  |  tag:         tip
  |  parent:      2:f838bfaca5c7
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     H
  |
  | o  changeset:   6:c521a06b234b
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     G
  | |
  | o  changeset:   5:2f3a4c5c1417
  |    parent:      1:27547f69f254
  |    user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    summary:     F
  |
  | o  changeset:   4:a603bfb5a83e
  | |  user:        test
  | |  date:        Thu Jan 01 00:00:00 1970 +0000
  | |  summary:     E
  | |
  | o  changeset:   3:b3325c91a4d9
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    summary:     D
  |
  o  changeset:   2:f838bfaca5c7
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     C
  
  $ hg bundle -R test-repo-bare bundle.hg ./branch-E-push ./branch-G-push ./branch-H-push
  searching for changes
  searching for changes
  searching for changes
  6 changesets found
  $ hg push --force -R test-repo-bare ./branch-E-push ./branch-G-push ./branch-H-push
  pushing to ./branch-E-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 3 changesets with 3 changes to 3 files (+2 heads)
  pushing to ./branch-G-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files (+2 heads)
  pushing to ./branch-H-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files (+2 heads)
  $ hg log -R ./branch-E-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 7
  |
  | o  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  | o  G 6
  | |
  | o  F 5
  |/
  o  B 1
  |
  o  A 0
  
  $ hg log -R ./branch-G-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 7
  |
  | o  E 6
  | |
  | o  D 5
  |/
  o  C 4
  |
  | o  G 3
  | |
  | o  F 2
  |/
  o  B 1
  |
  o  A 0
  
  $ hg log -R ./branch-H-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  G 7
  |
  o  F 6
  |
  | o  E 5
  | |
  | o  D 4
  | |
  | | o  H 3
  | |/
  | o  C 2
  |/
  o  B 1
  |
  o  A 0
  
  $ rm -rf ./*-push

Test operation with a target
============================

pull
----

  $ hg clone main-repo test-repo-rev --rev 0 -U
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  new changesets 4a2df7238c3b

pulling an explicite revision

  $ node_b=`hg log -R main-repo --rev 'desc(B)' -T '{node}'`
  $ hg pull -R test-repo-rev ./branch-E ./branch-G ./branch-H --rev $node_b
  pulling from ./branch-E
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  new changesets 27547f69f254
  (run 'hg update' to get a working copy)
  pulling from ./branch-G
  no changes found
  pulling from ./branch-H
  no changes found
  $ hg log -R test-repo-rev -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  B 1
  |
  o  A 0
  

pulling a branch head, the branch head resolve to different revision on the
different repositories.

  $ hg pull -R test-repo-rev ./branch-E ./branch-G ./branch-H --rev default
  pulling from ./branch-E
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 3 changesets with 3 changes to 3 files
  new changesets f838bfaca5c7:a603bfb5a83e
  (run 'hg update' to get a working copy)
  pulling from ./branch-G
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+1 heads)
  new changesets 2f3a4c5c1417:c521a06b234b
  (run 'hg heads' to see heads, 'hg merge' to merge)
  pulling from ./branch-H
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  new changesets 40faebb2ec45
  (run 'hg heads .' to see heads, 'hg merge' to merge)
  $ hg log -R test-repo-rev -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 7
  |
  | o  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  | o  G 6
  | |
  | o  F 5
  |/
  o  B 1
  |
  o  A 0
  

push
----

We only push a specific branch with --rev

  $ cp -R ./branch-E ./branch-E-push
  $ cp -R ./branch-G ./branch-G-push
  $ cp -R ./branch-H ./branch-H-push
  $ hg out -G -R test-repo-bare ./branch-E-push ./branch-G-push ./branch-H-push --rev default
  comparing with ./branch-E-push
  searching for changes
  comparing with ./branch-G-push
  searching for changes
  comparing with ./branch-H-push
  searching for changes
  no changes found
  o  changeset:   7:40faebb2ec45
  |  tag:         tip
  |  parent:      2:f838bfaca5c7
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     H
  |
  o  changeset:   2:f838bfaca5c7
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     C
  
  $ hg bundle -R test-repo-bare bundle.hg ./branch-E-push ./branch-G-push ./branch-H-push --rev default
  searching for changes
  searching for changes
  searching for changes
  2 changesets found
  $ hg push --force -R test-repo-bare ./branch-E-push ./branch-G-push ./branch-H-push --rev default
  pushing to ./branch-E-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  pushing to ./branch-G-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+1 heads)
  pushing to ./branch-H-push
  searching for changes
  no changes found
  $ hg log -R ./branch-E-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 5
  |
  | o  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  o  B 1
  |
  o  A 0
  
  $ hg log -R ./branch-G-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 5
  |
  o  C 4
  |
  | o  G 3
  | |
  | o  F 2
  |/
  o  B 1
  |
  o  A 0
  
  $ hg log -R ./branch-H-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 3
  |
  o  C 2
  |
  o  B 1
  |
  o  A 0
  
  $ rm -rf ./*-push

Same push, but the first one is a no-op

  $ cp -R ./branch-E ./branch-E-push
  $ cp -R ./branch-G ./branch-G-push
  $ cp -R ./branch-H ./branch-H-push
  $ hg out -G -R test-repo-bare ./branch-G-push ./branch-H-push ./branch-E-push --rev default
  comparing with ./branch-G-push
  searching for changes
  comparing with ./branch-H-push
  searching for changes
  no changes found
  comparing with ./branch-E-push
  searching for changes
  o  changeset:   7:40faebb2ec45
  |  tag:         tip
  |  parent:      2:f838bfaca5c7
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     H
  |
  o  changeset:   2:f838bfaca5c7
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     C
  
  $ hg bundle -R test-repo-bare bundle.hg ./branch-G-push ./branch-H-push ./branch-E-push --rev default
  searching for changes
  searching for changes
  searching for changes
  2 changesets found
  $ hg push --force -R test-repo-bare ./branch-G-push ./branch-H-push ./branch-E-push --rev default
  pushing to ./branch-G-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+1 heads)
  pushing to ./branch-H-push
  searching for changes
  no changes found
  pushing to ./branch-E-push
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  $ hg log -R ./branch-E-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 5
  |
  | o  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  o  B 1
  |
  o  A 0
  
  $ hg log -R ./branch-G-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 5
  |
  o  C 4
  |
  | o  G 3
  | |
  | o  F 2
  |/
  o  B 1
  |
  o  A 0
  
  $ hg log -R ./branch-H-push -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 3
  |
  o  C 2
  |
  o  B 1
  |
  o  A 0
  
  $ rm -rf ./*-push


Test with --update
==================

update without conflicts
------------------------

  $ hg clone main-repo test-repo-update --rev 0
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  new changesets 4a2df7238c3b
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

We update for each pull, so the first on get into a branch independant from the
other and stay there. This is the expected behavior.

  $ hg log -R test-repo-update -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  @  A 0
  
  $ hg pull -R test-repo-update ./branch-E ./branch-G ./branch-H --update
  pulling from ./branch-E
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files
  new changesets 27547f69f254:a603bfb5a83e
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  pulling from ./branch-G
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+1 heads)
  new changesets 2f3a4c5c1417:c521a06b234b
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to "a603bfb5a83e: E"
  1 other heads for branch "default"
  pulling from ./branch-H
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  new changesets 40faebb2ec45
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to "a603bfb5a83e: E"
  2 other heads for branch "default"
  $ hg log -R test-repo-update -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  o  H 7
  |
  | @  E 4
  | |
  | o  D 3
  |/
  o  C 2
  |
  | o  G 6
  | |
  | o  F 5
  |/
  o  B 1
  |
  o  A 0
  

update with conflicts
---------------------

  $ hg clone main-repo test-repo-conflict --rev 0
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  new changesets 4a2df7238c3b
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

The update has conflict and interrupt the pull.

  $ echo this-will-conflict > test-repo-conflict/D
  $ hg add -R test-repo-conflict test-repo-conflict/D
  $ hg log -R test-repo-conflict -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  @  A 0
  
  $ hg pull -R test-repo-conflict ./branch-E ./branch-G ./branch-H --update
  pulling from ./branch-E
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 4 files
  new changesets 27547f69f254:a603bfb5a83e
  merging D
  warning: conflicts while merging D! (edit, then use 'hg resolve --mark')
  3 files updated, 0 files merged, 0 files removed, 1 files unresolved
  use 'hg resolve' to retry unresolved file merges
  [1]
  $ hg -R test-repo-conflict resolve -l
  U D
  $ hg log -R test-repo-conflict -T '{desc} {rev}\n' --rev 'sort(all(), "topo")' -G
  @  E 4
  |
  o  D 3
  |
  o  C 2
  |
  o  B 1
  |
  %  A 0