strip: add a --keep test related to removing files from dirstate

When strip builds the list of changedfiles to pass into dirstate.rebuild, it adds
files blindly, including those that have been removed. This tests ensures that
rebuild can handle this case.

tests/test-strip.t

@@ -1,854 +1,861 b''
   $ echo "[format]" >> $HGRCPATH
   $ echo "usegeneraldelta=yes" >> $HGRCPATH
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "strip=" >> $HGRCPATH
 
   $ restore() {
   >     hg unbundle -q .hg/strip-backup/*
   >     rm .hg/strip-backup/*
   > }
   $ teststrip() {
   >     hg up -C $1
   >     echo % before update $1, strip $2
   >     hg parents
   >     hg --traceback strip $2
   >     echo % after update $1, strip $2
   >     hg parents
   >     restore
   > }
 
   $ hg init test
   $ cd test
 
   $ echo foo > bar
   $ hg ci -Ama
   adding bar
 
   $ echo more >> bar
   $ hg ci -Amb
 
   $ echo blah >> bar
   $ hg ci -Amc
 
   $ hg up 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo blah >> bar
   $ hg ci -Amd
   created new head
 
   $ echo final >> bar
   $ hg ci -Ame
 
   $ hg log
   changeset:   4:443431ffac4f
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     e
   
   changeset:   3:65bd5f99a4a3
   parent:      1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     d
   
   changeset:   2:264128213d29
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     c
   
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   changeset:   0:9ab35a2d17cb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
 
   $ teststrip 4 4
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   % before update 4, strip 4
   changeset:   4:443431ffac4f
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     e
   
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   % after update 4, strip 4
   changeset:   3:65bd5f99a4a3
   tag:         tip
   parent:      1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     d
   
   $ teststrip 4 3
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   % before update 4, strip 3
   changeset:   4:443431ffac4f
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     e
   
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   % after update 4, strip 3
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   $ teststrip 1 4
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   % before update 1, strip 4
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   % after update 1, strip 4
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   $ teststrip 4 2
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   % before update 4, strip 2
   changeset:   4:443431ffac4f
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     e
   
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   % after update 4, strip 2
   changeset:   3:443431ffac4f
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     e
   
   $ teststrip 4 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   % before update 4, strip 1
   changeset:   4:264128213d29
   tag:         tip
   parent:      1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     c
   
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   % after update 4, strip 1
   changeset:   0:9ab35a2d17cb
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   $ teststrip null 4
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   % before update null, strip 4
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   % after update null, strip 4
 
   $ hg log
   changeset:   4:264128213d29
   tag:         tip
   parent:      1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     c
   
   changeset:   3:443431ffac4f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     e
   
   changeset:   2:65bd5f99a4a3
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     d
   
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   changeset:   0:9ab35a2d17cb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   $ hg up -C 4
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg parents
   changeset:   4:264128213d29
   tag:         tip
   parent:      1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     c
   
 
   $ hg --traceback strip 4
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/264128213d29-0b39d6bf-backup.hg (glob)
   $ hg parents
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   $ hg debugbundle .hg/strip-backup/*
   Stream params: {'Compression': 'BZ'}
   changegroup -- "{'version': '02'}"
       264128213d290d868c54642d13aeaa3675551a78
   $ hg pull .hg/strip-backup/*
   pulling from .hg/strip-backup/264128213d29-0b39d6bf-backup.hg
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 0 changes to 0 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ rm .hg/strip-backup/*
   $ hg log --graph
   o  changeset:   4:264128213d29
   |  tag:         tip
   |  parent:      1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     c
   |
   | o  changeset:   3:443431ffac4f
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     e
   | |
   | o  changeset:   2:65bd5f99a4a3
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     d
   |
   @  changeset:   1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:9ab35a2d17cb
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
   $ hg up -C 2
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg merge 4
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
 before strip of merge parent
 
   $ hg parents
   changeset:   2:65bd5f99a4a3
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     d
   
   changeset:   4:264128213d29
   tag:         tip
   parent:      1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     c
   
   $ hg strip 4
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
 
 after strip of merge parent
 
   $ hg parents
   changeset:   1:ef3a871183d7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   $ restore
 
   $ hg up
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg log -G
   @  changeset:   4:264128213d29
   |  tag:         tip
   |  parent:      1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     c
   |
   | o  changeset:   3:443431ffac4f
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     e
   | |
   | o  changeset:   2:65bd5f99a4a3
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     d
   |
   o  changeset:   1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:9ab35a2d17cb
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
 
 2 is parent of 3, only one strip should happen
 
   $ hg strip "roots(2)" 3
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ hg log -G
   @  changeset:   2:264128213d29
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     c
   |
   o  changeset:   1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:9ab35a2d17cb
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
   $ restore
   $ hg log -G
   o  changeset:   4:443431ffac4f
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     e
   |
   o  changeset:   3:65bd5f99a4a3
   |  parent:      1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     d
   |
   | @  changeset:   2:264128213d29
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     c
   |
   o  changeset:   1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:9ab35a2d17cb
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
 
 2 different branches: 2 strips
 
   $ hg strip 2 4
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ hg log -G
   o  changeset:   2:65bd5f99a4a3
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     d
   |
   @  changeset:   1:ef3a871183d7
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:9ab35a2d17cb
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
   $ restore
 
 2 different branches and a common ancestor: 1 strip
 
   $ hg strip 1 "2|4"
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ restore
 
 verify fncache is kept up-to-date
 
   $ touch a
   $ hg ci -qAm a
   $ cat .hg/store/fncache | sort
   data/a.i
   data/bar.i
   $ hg strip tip
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ cat .hg/store/fncache
   data/bar.i
 
 stripping an empty revset
 
   $ hg strip "1 and not 1"
   abort: empty revision set
   [255]
 
 remove branchy history for qimport tests
 
   $ hg strip 3
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
 
 
 strip of applied mq should cleanup status file
 
   $ echo "mq=" >> $HGRCPATH
   $ hg up -C 3
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo fooagain >> bar
   $ hg ci -mf
   $ hg qimport -r tip:2
 
 applied patches before strip
 
   $ hg qapplied
   d
   e
   f
 
 stripping revision in queue
 
   $ hg strip 3
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
 
 applied patches after stripping rev in queue
 
   $ hg qapplied
   d
 
 stripping ancestor of queue
 
   $ hg strip 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
 
 applied patches after stripping ancestor of queue
 
   $ hg qapplied
 
 Verify strip protects against stripping wc parent when there are uncommitted mods
 
   $ echo b > b
   $ echo bb > bar
   $ hg add b
   $ hg ci -m 'b'
   $ hg log --graph
   @  changeset:   1:76dcf9fab855
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:9ab35a2d17cb
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
   $ hg up 0
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo c > bar
   $ hg up -t false
   merging bar
   merging bar failed!
   1 files updated, 0 files merged, 0 files removed, 1 files unresolved
   use 'hg resolve' to retry unresolved file merges
   [1]
   $ hg sum
   parent: 1:76dcf9fab855 tip
    b
   branch: default
   commit: 1 modified, 1 unknown, 1 unresolved
   update: (current)
   phases: 2 draft
   mq:     3 unapplied
 
   $ echo c > b
   $ hg strip tip
   abort: local changes found
   [255]
   $ hg strip tip --keep
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ hg log --graph
   @  changeset:   0:9ab35a2d17cb
      tag:         tip
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
   $ hg status
   M bar
   ? b
   ? bar.orig
 
   $ rm bar.orig
   $ hg sum
   parent: 0:9ab35a2d17cb tip
    a
   branch: default
   commit: 1 modified, 1 unknown
   update: (current)
   phases: 1 draft
   mq:     3 unapplied
 
 Strip adds, removes, modifies with --keep
 
   $ touch b
   $ hg add b
   $ hg commit -mb
   $ touch c
 
 ... with a clean working dir
 
   $ hg add c
   $ hg rm bar
   $ hg commit -mc
   $ hg status
   $ hg strip --keep tip
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ hg status
   ! bar
   ? c
 
 ... with a dirty working dir
 
   $ hg add c
   $ hg rm bar
   $ hg commit -mc
   $ hg status
   $ echo b > b
   $ echo d > d
   $ hg strip --keep tip
-  saved backup bundle to $TESTTMP/test/.hg/strip-backup/57e364c8a475-4cfed93c-backup.hg (glob)
+  saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
   $ hg status
   M b
   ! bar
   ? c
   ? d
+
+... after updating the dirstate
+  $ hg add c
+  $ hg commit -mc
+  $ hg rm c
+  $ hg commit -mc
+  $ hg strip --keep '.^' -q
   $ cd ..
 
 stripping many nodes on a complex graph (issue3299)
 
   $ hg init issue3299
   $ cd issue3299
   $ hg debugbuilddag '@a.:a@b.:b.:x<a@a.:a<b@b.:b<a@a.:a'
   $ hg strip 'not ancestors(x)'
   saved backup bundle to $TESTTMP/issue3299/.hg/strip-backup/*-backup.hg (glob)
 
 test hg strip -B bookmark
 
   $ cd ..
   $ hg init bookmarks
   $ cd bookmarks
   $ hg debugbuilddag '..<2.*1/2:m<2+3:c<m+3:a<2.:b<m+2:d<2.:e<m+1:f'
   $ hg bookmark -r 'a' 'todelete'
   $ hg bookmark -r 'b' 'B'
   $ hg bookmark -r 'b' 'nostrip'
   $ hg bookmark -r 'c' 'delete'
   $ hg bookmark -r 'd' 'multipledelete1'
   $ hg bookmark -r 'e' 'multipledelete2'
   $ hg bookmark -r 'f' 'singlenode1'
   $ hg bookmark -r 'f' 'singlenode2'
   $ hg up -C todelete
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (activating bookmark todelete)
   $ hg strip -B nostrip
   bookmark 'nostrip' deleted
   abort: empty revision set
   [255]
   $ hg strip -B todelete
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob)
   bookmark 'todelete' deleted
   $ hg id -ir dcbb326fdec2
   abort: unknown revision 'dcbb326fdec2'!
   [255]
   $ hg id -ir d62d843c9a01
   d62d843c9a01
   $ hg bookmarks
      B                         9:ff43616e5d0f
      delete                    6:2702dd0c91e7
      multipledelete1           11:e46a4836065c
      multipledelete2           12:b4594d867745
      singlenode1               13:43227190fef8
      singlenode2               13:43227190fef8
   $ hg strip -B multipledelete1 -B multipledelete2
   saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/e46a4836065c-89ec65c2-backup.hg (glob)
   bookmark 'multipledelete1' deleted
   bookmark 'multipledelete2' deleted
   $ hg id -ir e46a4836065c
   abort: unknown revision 'e46a4836065c'!
   [255]
   $ hg id -ir b4594d867745
   abort: unknown revision 'b4594d867745'!
   [255]
   $ hg strip -B singlenode1 -B singlenode2
   saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/43227190fef8-8da858f2-backup.hg (glob)
   bookmark 'singlenode1' deleted
   bookmark 'singlenode2' deleted
   $ hg id -ir 43227190fef8
   abort: unknown revision '43227190fef8'!
   [255]
   $ hg strip -B unknownbookmark
   abort: bookmark 'unknownbookmark' not found
   [255]
   $ hg strip -B unknownbookmark1 -B unknownbookmark2
   abort: bookmark 'unknownbookmark1,unknownbookmark2' not found
   [255]
   $ hg strip -B delete -B unknownbookmark
   abort: bookmark 'unknownbookmark' not found
   [255]
   $ hg strip -B delete
   saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob)
   bookmark 'delete' deleted
   $ hg id -ir 6:2702dd0c91e7
   abort: unknown revision '2702dd0c91e7'!
   [255]
   $ hg update B
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (activating bookmark B)
   $ echo a > a
   $ hg add a
   $ hg strip -B B
   abort: local changes found
   [255]
   $ hg bookmarks
    * B                         6:ff43616e5d0f
 
 Make sure no one adds back a -b option:
 
   $ hg strip -b tip
   hg strip: option -b not recognized
   hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...
   
   strip changesets and all their descendants from the repository
   
   (use "hg help -e strip" to show help for the strip extension)
   
   options ([+] can be repeated):
   
    -r --rev REV [+]        strip specified revision (optional, can specify
                            revisions without this option)
    -f --force              force removal of changesets, discard uncommitted
                            changes (no backup)
       --no-backup          no backups
    -k --keep               do not modify working directory during strip
    -B --bookmark VALUE [+] remove revs only reachable from given bookmark
       --mq                 operate on patch repository
   
   (use "hg strip -h" to show more help)
   [255]
 
   $ cd ..
 
 Verify bundles don't get overwritten:
 
   $ hg init doublebundle
   $ cd doublebundle
   $ touch a
   $ hg commit -Aqm a
   $ touch b
   $ hg commit -Aqm b
   $ hg strip -r 0
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/doublebundle/.hg/strip-backup/3903775176ed-e68910bd-backup.hg (glob)
   $ ls .hg/strip-backup
   3903775176ed-e68910bd-backup.hg
   $ hg pull -q -r 3903775176ed .hg/strip-backup/3903775176ed-e68910bd-backup.hg
   $ hg strip -r 0
   saved backup bundle to $TESTTMP/doublebundle/.hg/strip-backup/3903775176ed-54390173-backup.hg (glob)
   $ ls .hg/strip-backup
   3903775176ed-54390173-backup.hg
   3903775176ed-e68910bd-backup.hg
   $ cd ..
 
 Test that we only bundle the stripped changesets (issue4736)
 ------------------------------------------------------------
 
 initialization (previous repo is empty anyway)
 
   $ hg init issue4736
   $ cd issue4736
   $ echo a > a
   $ hg add a
   $ hg commit -m commitA
   $ echo b > b
   $ hg add b
   $ hg commit -m commitB
   $ echo c > c
   $ hg add c
   $ hg commit -m commitC
   $ hg up 'desc(commitB)'
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo d > d
   $ hg add d
   $ hg commit -m commitD
   created new head
   $ hg up 'desc(commitC)'
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg merge 'desc(commitD)'
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m 'mergeCD'
   $ hg log -G
   @    changeset:   4:d8db9d137221
   |\   tag:         tip
   | |  parent:      2:5c51d8d6557d
   | |  parent:      3:6625a5168474
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     mergeCD
   | |
   | o  changeset:   3:6625a5168474
   | |  parent:      1:eca11cf91c71
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     commitD
   | |
   o |  changeset:   2:5c51d8d6557d
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     commitC
   |
   o  changeset:   1:eca11cf91c71
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     commitB
   |
   o  changeset:   0:105141ef12d0
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     commitA
   
 
 Check bundle behavior:
 
   $ hg bundle -r 'desc(mergeCD)' --base 'desc(commitC)' ../issue4736.hg
   2 changesets found
   $ hg log -r 'bundle()' -R ../issue4736.hg
   changeset:   3:6625a5168474
   parent:      1:eca11cf91c71
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commitD
   
   changeset:   4:d8db9d137221
   tag:         tip
   parent:      2:5c51d8d6557d
   parent:      3:6625a5168474
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     mergeCD
   
 
 check strip behavior
 
   $ hg --config extensions.strip= strip 'desc(commitD)' --debug
   resolving manifests
    branchmerge: False, force: True, partial: False
    ancestor: d8db9d137221+, local: d8db9d137221+, remote: eca11cf91c71
    c: other deleted -> r
   removing c
    d: other deleted -> r
   removing d
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   2 changesets found
   list of changesets:
   6625a516847449b6f0fa3737b9ba56e9f0f3032c
   d8db9d1372214336d2b5570f20ee468d2c72fa8b
   bundle2-output-bundle: "HG20", (1 params) 1 parts total
   bundle2-output-part: "changegroup" (params: 1 mandatory) streamed payload
   saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/6625a5168474-345bb43d-backup.hg (glob)
   invalid branchheads cache (served): tip differs
   truncating cache/rbc-revs-v1 to 24
   $ hg log -G
   o  changeset:   2:5c51d8d6557d
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     commitC
   |
   @  changeset:   1:eca11cf91c71
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     commitB
   |
   o  changeset:   0:105141ef12d0
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     commitA
   
 
 strip backup content
 
   $ hg log -r 'bundle()' -R .hg/strip-backup/6625a5168474-*-backup.hg
   changeset:   3:6625a5168474
   parent:      1:eca11cf91c71
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commitD
   
   changeset:   4:d8db9d137221
   tag:         tip
   parent:      2:5c51d8d6557d
   parent:      3:6625a5168474
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     mergeCD
   
 
 Error during post-close callback of the strip transaction
 (They should be gracefully handled and reported)
 
   $ cat > ../crashstrip.py << EOF
   > from mercurial import error
   > def reposetup(ui, repo):
   >     class crashstriprepo(repo.__class__):
   >         def transaction(self, desc, *args, **kwargs):
   >             tr = super(crashstriprepo, self).transaction(self, desc, *args, **kwargs)
   >             if desc == 'strip':
   >                 def crash(tra): raise error.Abort('boom')
   >                 tr.addpostclose('crash', crash)
   >             return tr
   >     repo.__class__ = crashstriprepo
   > EOF
   $ hg strip tip --config extensions.crash=$TESTTMP/crashstrip.py
   saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/5c51d8d6557d-70daef06-backup.hg (glob)
   strip failed, full bundle stored in '$TESTTMP/issue4736/.hg/strip-backup/5c51d8d6557d-70daef06-backup.hg' (glob)
   abort: boom
   [255]