tests: demonstrate a problem with renames on the p2 side of a conversion

I think this is related to the octopus merge being sloppy, and that's having a
cascading affect on the fixup merge.  If this change is made on p1 (specifically
with the 'Added parent file' commit), the failure doesn't occur.

The file modification with the rename doesn't seem to be necessary, but it's
what's happening in a production repo where I first noticed, so I left it.  This
is an example of the manifest divergence I'd been seeing, which wasn't fixed by
Yuya's recent changes.  This is separate from the changelog divergence I was
also seeing[1].  Probably nobody cares about bzr anymore, but this will also
affect git, since the octopus fixup code is in the hg sink.

[1] https://www.mercurial-scm.org/pipermail/mercurial-devel/2018-August/120473.html

tests/test-convert-bzr-merges.t

@@ -13,7 +13,8 b' test multiple merges at once'
   $ bzr init -q source
   $ cd source
   $ echo content > file
-  $ bzr add -q file
+  $ echo text > rename_me
+  $ bzr add -q file rename_me
   $ bzr commit -q -m 'Initial add' '--commit-time=2009-10-10 08:00:00 +0100'
   $ cd ..
   $ bzr branch -q source source-branch1
@@ -32,6 +33,8 b' test multiple merges at once'
   $ cd source-branch2
   $ echo somecontent > file-branch2
   $ bzr add -q file-branch2
+  $ bzr mv -q rename_me renamed
+  $ echo change > renamed
   $ bzr commit -q -m 'Added brach2 file' '--commit-time=2009-10-10 08:00:03 +0100'
   $ sleep 1
   $ cd ../source
@@ -40,7 +43,8 b' test multiple merges at once'
   $ bzr commit -q -m 'Merged branches' '--commit-time=2009-10-10 08:00:04 +0100'
   $ cd ..
 
-BUG: file-branch2 should not be added in rev 4
+BUG: file-branch2 should not be added in rev 4, and the rename_me -> renamed
+move should be recorded in the fixup merge.
   $ hg convert --datesort --config convert.bzr.saverev=False source source-hg
   initializing destination source-hg repository
   scanning source...
@@ -51,18 +55,19 b' BUG: file-branch2 should not be added in'
   2 Added parent file
   1 Added brach2 file
   0 Merged branches
+  warning: can't find ancestor for 'renamed' copied from 'rename_me'!
   $ glog -R source-hg
-  o    5@source "(octopus merge fixup)" files+: [], files-: [], files: []
+  o    5@source "(octopus merge fixup)" files+: [], files-: [], files: [renamed]
   |\
-  | o    4@source "Merged branches" files+: [file-branch1 file-branch2], files-: [], files: [file]
+  | o    4@source "Merged branches" files+: [file-branch1 file-branch2 renamed], files-: [rename_me], files: [file]
   | |\
-  o---+  3@source-branch2 "Added brach2 file" files+: [file-branch2], files-: [], files: []
+  o---+  3@source-branch2 "Added brach2 file" files+: [file-branch2 renamed], files-: [rename_me], files: []
    / /
   | o  2@source "Added parent file" files+: [file-parent], files-: [], files: []
   | |
   o |  1@source-branch1 "Added branch1 file" files+: [file-branch1], files-: [], files: [file]
   |/
-  o  0@source "Initial add" files+: [file], files-: [], files: []
+  o  0@source "Initial add" files+: [file rename_me], files-: [], files: []
   
   $ manifest source-hg tip
   % manifest of tip
@@ -70,6 +75,7 b' BUG: file-branch2 should not be added in'
   644   file-branch1
   644   file-branch2
   644   file-parent
+  644   renamed
 
   $ hg convert source-hg hg2hg
   initializing destination hg2hg repository
@@ -82,49 +88,107 b' BUG: file-branch2 should not be added in'
   2 Added brach2 file
   1 Merged branches
   0 (octopus merge fixup)
+
+BUG: The manifest entries should be the same for matching revisions, and
+nothing should be outgoing
+
+  $ hg -R source-hg manifest --debug -r tip | grep renamed
+  67109fdebf6c556eb0a9d5696dd98c8420520405 644   renamed
+  $ hg -R hg2hg manifest --debug -r tip | grep renamed
+  27c968376d7c3afd095ecb9c7697919b933448c8 644   renamed
+  $ hg -R source-hg manifest --debug -r 'tip^' | grep renamed
+  27c968376d7c3afd095ecb9c7697919b933448c8 644   renamed
+  $ hg -R hg2hg manifest --debug -r 'tip^' | grep renamed
+  27c968376d7c3afd095ecb9c7697919b933448c8 644   renamed
+
+BUG: The revisions found should be the same in both repos
+
+  $ hg --cwd source-hg log -r 'file("renamed")' -G -Tcompact
+  o    5[tip]:4,3   6652429c300a   2009-10-10 08:00 +0100   foo
+  |\     (octopus merge fixup)
+  | |
+  | o    4:2,1   e0ae8af3503a   2009-10-10 08:00 +0100   foo
+  | |\     Merged branches
+  | ~ ~
+  o  3   138bed2e14be   2009-10-10 08:00 +0100   foo
+  |    Added brach2 file
+  ~
+  $ hg --cwd hg2hg log -r 'file("renamed")' -G -Tcompact
+  o    4:2,1   e0ae8af3503a   2009-10-10 08:00 +0100   foo
+  |\     Merged branches
+  ~ ~
+  o  3   138bed2e14be   2009-10-10 08:00 +0100   foo
+  |    Added brach2 file
+  ~
+
+BUG(?): The move seems to be recorded in rev 4, so it should probably show up
+there.  It's not recorded as a move in rev 5, even in source-hg.
+
+  $ hg -R source-hg up -q tip
+  $ hg -R hg2hg up -q tip
+  $ hg --cwd source-hg log -r 'follow("renamed")' -G -Tcompact
+  @    5[tip]:4,3   6652429c300a   2009-10-10 08:00 +0100   foo
+  |\     (octopus merge fixup)
+  | :
+  o :  3   138bed2e14be   2009-10-10 08:00 +0100   foo
+  :/     Added brach2 file
+  :
+  o  0   18b86f5df51b   2009-10-10 08:00 +0100   foo
+       Initial add
+  
+  $ hg --cwd hg2hg log -r 'follow("renamed")' -G -Tcompact
+  o  3   138bed2e14be   2009-10-10 08:00 +0100   foo
+  :    Added brach2 file
+  :
+  o  0   18b86f5df51b   2009-10-10 08:00 +0100   foo
+       Initial add
+  
+
   $ hg -R hg2hg out source-hg -T compact
   comparing with source-hg
   searching for changes
-  no changes found
-  [1]
+  5[tip]:4,3   3be2299ccd31   2009-10-10 08:00 +0100   foo
+    (octopus merge fixup)
+  
 
   $ glog -R hg2hg
-  o    5@source "(octopus merge fixup)" files+: [], files-: [], files: []
+  @    5@source "(octopus merge fixup)" files+: [], files-: [], files: []
   |\
-  | o    4@source "Merged branches" files+: [file-branch1 file-branch2], files-: [], files: [file]
+  | o    4@source "Merged branches" files+: [file-branch1 file-branch2 renamed], files-: [rename_me], files: [file]
   | |\
-  o---+  3@source-branch2 "Added brach2 file" files+: [file-branch2], files-: [], files: []
+  o---+  3@source-branch2 "Added brach2 file" files+: [file-branch2 renamed], files-: [rename_me], files: []
    / /
   | o  2@source "Added parent file" files+: [file-parent], files-: [], files: []
   | |
   o |  1@source-branch1 "Added branch1 file" files+: [file-branch1], files-: [], files: [file]
   |/
-  o  0@source "Initial add" files+: [file], files-: [], files: []
+  o  0@source "Initial add" files+: [file rename_me], files-: [], files: []
   
 
   $ hg -R source-hg log --debug -r tip
-  changeset:   5:6bd55e8269392769783345686faf7ff7b3b0215d
+  changeset:   5:6652429c300ab66fdeaf2e730945676a00b53231
   branch:      source
   tag:         tip
   phase:       draft
-  parent:      4:1dc38c377bb35eeea4fa955056fbe4440d54a743
-  parent:      3:4aaba1bfb426b8941bbf63f9dd52301152695164
-  manifest:    4:daa315d56a98ba20811fdd0d9d575861f65cfa8c
+  parent:      4:e0ae8af3503af9bbffb0b29268a02744cc61a561
+  parent:      3:138bed2e14be415a2692b02e41405b2864f758b4
+  manifest:    5:1eabd5f5d4b985784cf2c45c717ff053eca14b0d
   user:        Foo Bar <[e-mail]>
   date:        Sat Oct 10 08:00:04 2009 +0100
+  files:       renamed
   extra:       branch=source
   description:
   (octopus merge fixup)
   
   
   $ hg -R hg2hg log --debug -r tip
-  changeset:   5:6bd55e8269392769783345686faf7ff7b3b0215d
+  changeset:   5:3be2299ccd315ff9aab2b49bdb0d14e3244435e8
   branch:      source
   tag:         tip
   phase:       draft
-  parent:      4:1dc38c377bb35eeea4fa955056fbe4440d54a743
-  parent:      3:4aaba1bfb426b8941bbf63f9dd52301152695164
-  manifest:    4:daa315d56a98ba20811fdd0d9d575861f65cfa8c
+  parent:      4:e0ae8af3503af9bbffb0b29268a02744cc61a561
+  parent:      3:138bed2e14be415a2692b02e41405b2864f758b4
+  manifest:    4:3ece3c7f2cc6df15b3cbbf3273c69869fc7c3ab0
   user:        Foo Bar <[e-mail]>
   date:        Sat Oct 10 08:00:04 2009 +0100
   extra:       branch=source
@@ -137,21 +201,25 b' BUG: file-branch2 should not be added in'
   5108144f585149b29779d7c7e51d61dd22303ffe 644   file-branch1
   80753c4a9ac3806858405b96b24a907b309e3616 644   file-branch2
   7108421418404a937c684d2479a34a24d2ce4757 644   file-parent
+  67109fdebf6c556eb0a9d5696dd98c8420520405 644   renamed
   $ hg -R source-hg manifest --debug -r 'tip^'
   cdf31ed9242b209cd94697112160e2c5b37a667d 644   file
   5108144f585149b29779d7c7e51d61dd22303ffe 644   file-branch1
   80753c4a9ac3806858405b96b24a907b309e3616 644   file-branch2
   7108421418404a937c684d2479a34a24d2ce4757 644   file-parent
+  27c968376d7c3afd095ecb9c7697919b933448c8 644   renamed
 
   $ hg -R hg2hg manifest --debug -r tip
   cdf31ed9242b209cd94697112160e2c5b37a667d 644   file
   5108144f585149b29779d7c7e51d61dd22303ffe 644   file-branch1
   80753c4a9ac3806858405b96b24a907b309e3616 644   file-branch2
   7108421418404a937c684d2479a34a24d2ce4757 644   file-parent
+  27c968376d7c3afd095ecb9c7697919b933448c8 644   renamed
   $ hg -R hg2hg manifest --debug -r 'tip^'
   cdf31ed9242b209cd94697112160e2c5b37a667d 644   file
   5108144f585149b29779d7c7e51d61dd22303ffe 644   file-branch1
   80753c4a9ac3806858405b96b24a907b309e3616 644   file-branch2
   7108421418404a937c684d2479a34a24d2ce4757 644   file-parent
+  27c968376d7c3afd095ecb9c7697919b933448c8 644   renamed
 
   $ cd ..