view tests/test-pullbundle.t @ 4130:a1f6b8211016

pullbundle: add caching logic

We now only generate a bundle once (and store it to disk). If we need it again,
we use it directly from disk.

  $ . "$TESTDIR/testlib/pythonpath.sh"

  $ cat << EOF >> $HGRCPATH
  > [extensions]
  > # evolve is providing the stable range code
  > evolve=
  > pullbundle=
  > [experimental]
  > obshashrange.warm-cache=yes
  > EOF

basic setup

  $ hg init server
  $ hg -R server debugbuilddag '.+898:branchpoint+352:mergepoint+267<branchpoint+145/mergepoint+467'
  $ hg init client
  $ hg init client2
  $ hg init client3

simple initial pull
-------------------

  $ hg -R server log -G -T '{rev}:{node}\n' -r '0+1234+(::1234 and (merge() or branchpoint()))'
  o  1234:f864bc82f6a2f2ecb49b83722e0895f9d657b0dd
  :
  o  898:1388f909cd2b0685efd4e2ce076d198bce20922c
  :
  o  0:1ea73414a91b0920940797d8fc6a11e447f8ea1e
  

  $ hg -R client pull server -r 1234 --debug --config devel.bundle2.debug=yes | grep -v 'add changeset'
  pulling from server
  query 1; heads
  1024 changesets found
  128 changesets found
  64 changesets found
  16 changesets found
  2 changesets found
  1 changesets found
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 9 parts total
  bundle2-output: start emission of HG20 stream
  bundle2-output: bundle parameter: 
  bundle2-output: start of parts
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 0: "CHANGEGROUP"
  bundle2-output: header chunk size: 44
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 22368
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 1: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 23564
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 2: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 3: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 4: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 380
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 5: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 6: "LISTKEYS"
  bundle2-output: header chunk size: 35
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "phase-heads"
  bundle2-output-part: "phase-heads" 24 bytes payload
  bundle2-output: part 7: "PHASE-HEADS"
  bundle2-output: header chunk size: 18
  bundle2-output: payload chunk size: 24
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "cache:rev-branch-cache"
  bundle2-output-part: "cache:rev-branch-cache" (advisory) streamed payload
  bundle2-output: part 8: "cache:rev-branch-cache"
  bundle2-output: header chunk size: 29
  bundle2-output: payload chunk size: 24719
  bundle2-output: closing payload chunk
  bundle2-output: end of bundle
  bundle2-input: start processing of HG20 stream
  bundle2-input: reading bundle2 stream parameters
  bundle2-input-bundle: with-transaction
  bundle2-input: start extraction of bundle2 parts
  bundle2-input: part header size: 44
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "0"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 22368
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1024 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 186208
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "1"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 23564
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 128 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 23564
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "2"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "3"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "4"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 380
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 2 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 380
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "5"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "6"
  bundle2-input: part parameters: 1
  bundle2-input: found a handler for part listkeys
  bundle2-input-part: "listkeys" (params: 1 mandatory) supported
  bundle2-input: payload chunk size: 0
  bundle2-input: part header size: 18
  bundle2-input: part type: "PHASE-HEADS"
  bundle2-input: part id: "7"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part phase-heads
  bundle2-input-part: "phase-heads" supported
  bundle2-input: payload chunk size: 24
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 24
  bundle2-input: part header size: 29
  bundle2-input: part type: "cache:rev-branch-cache"
  bundle2-input: part id: "8"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part cache:rev-branch-cache
  bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
  bundle2-input: payload chunk size: 24719
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 24719
  bundle2-input: part header size: 0
  bundle2-input: end of bundle2 stream
  bundle2-input-bundle: 8 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 1ea73414a91b:f864bc82f6a2
  (run 'hg update' to get a working copy)

  $ touch oldbundles
  $ ls -1 server/.hg/cache/pullbundles > newbundles
  $ diff -u oldbundles newbundles
  --- oldbundles	* (glob)
  +++ newbundles	* (glob)
  @@ -0,0 +1,6 @@
  +02-467b6e370e816747e27de0d0b9237f4090a33656-0000001152skip-0000000064size.hg
  +02-540f762640ee62ca597ece26af725e6357e82805-0000000000skip-0000001024size.hg
  +02-63ded94ceab180ac2fa13e1f0beeb4d2265998a3-0000001232skip-0000000002size.hg
  +02-7f3a79522d6e904d52aea07c71e6cb612667e8f4-0000001216skip-0000000016size.hg
  +02-ee2deecf044fa5583f66188c9177b0f13332adc2-0000001024skip-0000000128size.hg
  +02-f864bc82f6a2f2ecb49b83722e0895f9d657b0dd-0000001234skip-0000000001size.hg
  [1]

pull the other missing entries (multiple heads pulled)
------------------------------------------------------

  $ hg -R server log -G -T '{rev}:{node}\n' -r '1234+head()+(only(head(), 1234) and (merge() or branchpoint()))'
  o  2130:0f376356904fc8c1c6ceaac27990f2fd79b1f8c1
  :
  o    1663:1710092b3ab17a6d2ecad664580991a608537749
  |\
  | ~
  | o  1517:1dded5aafa0f8d548f6357cc2f8882dcc4489fbf
  |/
  o  1250:d83212ecaa436c80d6113cf915ba35e2db787e79
  :
  o  1234:f864bc82f6a2f2ecb49b83722e0895f9d657b0dd
  |
  ~
  $ hg -R client pull server --debug --config devel.bundle2.debug=yes | grep -v 'add changeset'
  pulling from server
  query 1; heads
  searching for changes
  all local heads known remotely
  16 changesets found
  29 changesets found
  256 changesets found
  256 changesets found
  64 changesets found
  8 changesets found
  1 changesets found
  4 changesets found
  8 changesets found
  16 changesets found
  128 changesets found
  64 changesets found
  32 changesets found
  8 changesets found
  4 changesets found
  2 changesets found
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 19 parts total
  bundle2-output: start emission of HG20 stream
  bundle2-output: bundle parameter: 
  bundle2-output: start of parts
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 0: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 1: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 2: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 14348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 3: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 14348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 4: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 5: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 6: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 7: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 8: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 9: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 10: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 23564
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 11: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 12: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5900
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 13: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 14: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 15: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 380
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 16: "LISTKEYS"
  bundle2-output: header chunk size: 35
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "phase-heads"
  bundle2-output-part: "phase-heads" 48 bytes payload
  bundle2-output: part 17: "PHASE-HEADS"
  bundle2-output: header chunk size: 18
  bundle2-output: payload chunk size: 48
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "cache:rev-branch-cache"
  bundle2-output-part: "cache:rev-branch-cache" (advisory) streamed payload
  bundle2-output: part 18: "cache:rev-branch-cache"
  bundle2-output: header chunk size: 29
  bundle2-output: payload chunk size: 17939
  bundle2-output: closing payload chunk
  bundle2-output: end of bundle
  bundle2-input: start processing of HG20 stream
  bundle2-input: reading bundle2 stream parameters
  bundle2-input-bundle: with-transaction
  bundle2-input: start extraction of bundle2 parts
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "0"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "1"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 29 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 5348
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "2"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 14348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 256 changesets with 0 changes to 0 files (-1 heads)
  bundle2-input-part: total payload size 47116
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "3"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 14348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 256 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 47116
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "4"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "5"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "6"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "7"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "8"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "9"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "10"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 23564
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 128 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 23564
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "11"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "12"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5900
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 32 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 5900
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "13"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "14"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "15"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 380
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 2 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 380
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "16"
  bundle2-input: part parameters: 1
  bundle2-input: found a handler for part listkeys
  bundle2-input-part: "listkeys" (params: 1 mandatory) supported
  bundle2-input: payload chunk size: 0
  bundle2-input: part header size: 18
  bundle2-input: part type: "PHASE-HEADS"
  bundle2-input: part id: "17"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part phase-heads
  bundle2-input-part: "phase-heads" supported
  bundle2-input: payload chunk size: 48
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 48
  bundle2-input: part header size: 29
  bundle2-input: part type: "cache:rev-branch-cache"
  bundle2-input: part id: "18"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part cache:rev-branch-cache
  bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
  bundle2-input: payload chunk size: 17939
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 17939
  bundle2-input: part header size: 0
  bundle2-input: end of bundle2 stream
  bundle2-input-bundle: 18 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 17185c1c22f1:1dded5aafa0f
  (run 'hg heads' to see heads, 'hg merge' to merge)

  $ mv newbundles oldbundles
  $ ls -1 server/.hg/cache/pullbundles > newbundles
  $ diff -u oldbundles newbundles
  --- oldbundles	* (glob)
  +++ newbundles	* (glob)
  @@ -1,6 +1,22 @@
  +02-0f376356904fc8c1c6ceaac27990f2fd79b1f8c1-0000001856skip-0000000008size.hg
  +02-1dded5aafa0f8d548f6357cc2f8882dcc4489fbf-0000001516skip-0000000002size.hg
  +02-2dc4f1ab9029719714b8e0dde8e3725a5bb28472-0000001408skip-0000000064size.hg
  +02-2f0e261a08964bc1c607c0eda4978364c22a9b94-0000001504skip-0000000008size.hg
   02-467b6e370e816747e27de0d0b9237f4090a33656-0000001152skip-0000000064size.hg
  +02-4a6d0f7d07d060b026d9fc690cd89cd26af96e42-0000001264skip-0000000016size.hg
   02-540f762640ee62ca597ece26af725e6357e82805-0000000000skip-0000001024size.hg
  +02-5eaa75df73c454c1afff722301a4c73e897de94d-0000001256skip-0000000008size.hg
   02-63ded94ceab180ac2fa13e1f0beeb4d2265998a3-0000001232skip-0000000002size.hg
   02-7f3a79522d6e904d52aea07c71e6cb612667e8f4-0000001216skip-0000000016size.hg
  +02-b2d350c94c26edbb783aaa21fc24f1fc65c30e74-0000001536skip-0000000256size.hg
  +02-bbd293bd171fd5b711d428db46940a72eca7a40f-0000001280skip-0000000128size.hg
  +02-ca970a853ea24846035ccb324cc8de49ef768748-0000001252skip-0000000004size.hg
  +02-d1807e3513890ac71c2e8d10e9dc9a5b58b15d4b-0000001251skip-0000000001size.hg
  +02-d83212ecaa436c80d6113cf915ba35e2db787e79-0000001235skip-0000000016size.hg
  +02-da87a81c5310760f414a933e6550b7e8e60cf241-0000001792skip-0000000064size.hg
  +02-dba2fddbf3c28198659046674a512afd616a1519-0000001472skip-0000000032size.hg
  +02-e469a7aa5cce57653b6b02ff46c80b2d94d62629-0000000899skip-0000000029size.hg
  +02-e74670ea99533967c5d90da3ddbc0318cc1fd502-0000001280skip-0000000256size.hg
   02-ee2deecf044fa5583f66188c9177b0f13332adc2-0000001024skip-0000000128size.hg
   02-f864bc82f6a2f2ecb49b83722e0895f9d657b0dd-0000001234skip-0000000001size.hg
  +02-fb6c210a224903e81e5a8d2ee099cb0c9526ba8c-0000001512skip-0000000004size.hg
  [1]

Same Pullin with a different client
-----------------------------------
  $ hg -R server log -G -T '{rev}:{node}\n' -r '0+1234+(::1234 and (merge() or branchpoint()))'
  o  1234:f864bc82f6a2f2ecb49b83722e0895f9d657b0dd
  :
  o  898:1388f909cd2b0685efd4e2ce076d198bce20922c
  :
  o  0:1ea73414a91b0920940797d8fc6a11e447f8ea1e
  

  $ hg -R client2 pull server -r 1234 --debug --config devel.bundle2.debug=yes --traceback| grep -v 'add changeset'
  pulling from server
  query 1; heads
  1024 changesets found in caches
  128 changesets found in caches
  64 changesets found in caches
  16 changesets found in caches
  2 changesets found in caches
  1 changesets found in caches
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 9 parts total
  bundle2-output: start emission of HG20 stream
  bundle2-output: bundle parameter: 
  bundle2-output: start of parts
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 0: "CHANGEGROUP"
  bundle2-output: header chunk size: 44
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 22368
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 1: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 23564
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 2: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 3: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 4: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 380
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 5: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 6: "LISTKEYS"
  bundle2-output: header chunk size: 35
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "phase-heads"
  bundle2-output-part: "phase-heads" 24 bytes payload
  bundle2-output: part 7: "PHASE-HEADS"
  bundle2-output: header chunk size: 18
  bundle2-output: payload chunk size: 24
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "cache:rev-branch-cache"
  bundle2-output-part: "cache:rev-branch-cache" (advisory) streamed payload
  bundle2-output: part 8: "cache:rev-branch-cache"
  bundle2-output: header chunk size: 29
  bundle2-output: payload chunk size: 24719
  bundle2-output: closing payload chunk
  bundle2-output: end of bundle
  bundle2-input: start processing of HG20 stream
  bundle2-input: reading bundle2 stream parameters
  bundle2-input-bundle: with-transaction
  bundle2-input: start extraction of bundle2 parts
  bundle2-input: part header size: 44
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "0"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 22368
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1024 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 186208
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "1"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 23564
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 128 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 23564
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "2"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "3"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "4"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 380
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 2 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 380
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "5"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "6"
  bundle2-input: part parameters: 1
  bundle2-input: found a handler for part listkeys
  bundle2-input-part: "listkeys" (params: 1 mandatory) supported
  bundle2-input: payload chunk size: 0
  bundle2-input: part header size: 18
  bundle2-input: part type: "PHASE-HEADS"
  bundle2-input: part id: "7"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part phase-heads
  bundle2-input-part: "phase-heads" supported
  bundle2-input: payload chunk size: 24
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 24
  bundle2-input: part header size: 29
  bundle2-input: part type: "cache:rev-branch-cache"
  bundle2-input: part id: "8"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part cache:rev-branch-cache
  bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
  bundle2-input: payload chunk size: 24719
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 24719
  bundle2-input: part header size: 0
  bundle2-input: end of bundle2 stream
  bundle2-input-bundle: 8 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 1ea73414a91b:f864bc82f6a2
  (run 'hg update' to get a working copy)

  $ mv newbundles oldbundles
  $ ls -1 server/.hg/cache/pullbundles > newbundles
  $ diff -u oldbundles newbundles

  $ hg -R server log -G -T '{rev}:{node}\n' -r '1234+head()+(only(head(), 1234) and (merge() or branchpoint()))'
  o  2130:0f376356904fc8c1c6ceaac27990f2fd79b1f8c1
  :
  o    1663:1710092b3ab17a6d2ecad664580991a608537749
  |\
  | ~
  | o  1517:1dded5aafa0f8d548f6357cc2f8882dcc4489fbf
  |/
  o  1250:d83212ecaa436c80d6113cf915ba35e2db787e79
  :
  o  1234:f864bc82f6a2f2ecb49b83722e0895f9d657b0dd
  |
  ~

  $ hg -R client2 pull server --debug --config devel.bundle2.debug=yes | grep -v 'add changeset'
  pulling from server
  query 1; heads
  searching for changes
  all local heads known remotely
  16 changesets found in caches
  29 changesets found in caches
  256 changesets found in caches
  256 changesets found in caches
  64 changesets found in caches
  8 changesets found in caches
  1 changesets found in caches
  4 changesets found in caches
  8 changesets found in caches
  16 changesets found in caches
  128 changesets found in caches
  64 changesets found in caches
  32 changesets found in caches
  8 changesets found in caches
  4 changesets found in caches
  2 changesets found in caches
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 19 parts total
  bundle2-output: start emission of HG20 stream
  bundle2-output: bundle parameter: 
  bundle2-output: start of parts
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 0: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 1: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 2: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 14348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 3: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 14348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 4: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 5: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 6: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 7: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 8: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 9: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 10: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 23564
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 11: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 12: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5900
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 13: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 14: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 15: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 380
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 16: "LISTKEYS"
  bundle2-output: header chunk size: 35
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "phase-heads"
  bundle2-output-part: "phase-heads" 48 bytes payload
  bundle2-output: part 17: "PHASE-HEADS"
  bundle2-output: header chunk size: 18
  bundle2-output: payload chunk size: 48
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "cache:rev-branch-cache"
  bundle2-output-part: "cache:rev-branch-cache" (advisory) streamed payload
  bundle2-output: part 18: "cache:rev-branch-cache"
  bundle2-output: header chunk size: 29
  bundle2-output: payload chunk size: 17939
  bundle2-output: closing payload chunk
  bundle2-output: end of bundle
  bundle2-input: start processing of HG20 stream
  bundle2-input: reading bundle2 stream parameters
  bundle2-input-bundle: with-transaction
  bundle2-input: start extraction of bundle2 parts
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "0"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "1"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 29 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 5348
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "2"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 14348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 256 changesets with 0 changes to 0 files (-1 heads)
  bundle2-input-part: total payload size 47116
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "3"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 14348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 256 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 47116
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "4"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "5"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "6"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "7"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "8"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "9"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "10"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 23564
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 128 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 23564
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "11"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "12"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5900
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 32 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 5900
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "13"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "14"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "15"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 380
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 2 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 380
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "16"
  bundle2-input: part parameters: 1
  bundle2-input: found a handler for part listkeys
  bundle2-input-part: "listkeys" (params: 1 mandatory) supported
  bundle2-input: payload chunk size: 0
  bundle2-input: part header size: 18
  bundle2-input: part type: "PHASE-HEADS"
  bundle2-input: part id: "17"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part phase-heads
  bundle2-input-part: "phase-heads" supported
  bundle2-input: payload chunk size: 48
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 48
  bundle2-input: part header size: 29
  bundle2-input: part type: "cache:rev-branch-cache"
  bundle2-input: part id: "18"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part cache:rev-branch-cache
  bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
  bundle2-input: payload chunk size: 17939
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 17939
  bundle2-input: part header size: 0
  bundle2-input: end of bundle2 stream
  bundle2-input-bundle: 18 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 17185c1c22f1:1dded5aafa0f
  (run 'hg heads' to see heads, 'hg merge' to merge)

  $ mv newbundles oldbundles
  $ ls -1 server/.hg/cache/pullbundles > newbundles
  $ diff -u oldbundles newbundles

different pull with a different client
--------------------------------------

  $ hg -R server log -G -T '{rev}:{node}\n' -r '87232049c8d1+0+1789+(::1789 and (merge() or branchpoint()))'
  o  2085:87232049c8d1f413105bf813b6bfc21da3e26a4f
  :
  o  1789:44e80141ad530a2aa085e9bd9b5311b57eff72ff
  :
  o    1663:1710092b3ab17a6d2ecad664580991a608537749
  |\
  o :  1250:d83212ecaa436c80d6113cf915ba35e2db787e79
  :/
  o  898:1388f909cd2b0685efd4e2ce076d198bce20922c
  :
  o  0:1ea73414a91b0920940797d8fc6a11e447f8ea1e
  

  $ hg -R client3 pull server -r 1789 --debug --config devel.bundle2.debug=yes | grep -v 'add changeset'
  pulling from server
  query 1; heads
  1024 changesets found in caches
  227 changesets found
  29 changesets found in caches
  128 changesets found
  64 changesets found
  32 changesets found
  16 changesets found
  2 changesets found
  1 changesets found
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 12 parts total
  bundle2-output: start emission of HG20 stream
  bundle2-output: bundle parameter: 
  bundle2-output: start of parts
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 0: "CHANGEGROUP"
  bundle2-output: header chunk size: 44
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 22368
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 1: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 9012
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 2: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 3: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 23564
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 4: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-input: start processing of HG20 stream
  bundle2-input: reading bundle2 stream parameters
  bundle2-input-bundle: with-transaction
  bundle2-input: start extraction of bundle2 parts
  bundle2-input: part header size: 44
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "0"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 22368
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1024 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 186208
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "1"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 9012
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 227 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 41780
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "2"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 29 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 5348
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "3"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 23564
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 128 changesets with 0 changes to 0 files (-1 heads)
  bundle2-input-part: total payload size 23564
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "4"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 5: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5900
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 6: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 7: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 380
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 8: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 9: "LISTKEYS"
  bundle2-output: header chunk size: 35
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "phase-heads"
  bundle2-output-part: "phase-heads" 24 bytes payload
  bundle2-output: part 10: "PHASE-HEADS"
  bundle2-output: header chunk size: 18
  bundle2-output: payload chunk size: 24
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "cache:rev-branch-cache"
  bundle2-output-part: "cache:rev-branch-cache" (advisory) streamed payload
  bundle2-output: part 11: "cache:rev-branch-cache"
  bundle2-output: header chunk size: 29
  bundle2-output: payload chunk size: 30479
  bundle2-output: closing payload chunk
  bundle2-output: end of bundle
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "5"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5900
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 32 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 5900
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "6"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "7"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 380
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 2 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 380
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "8"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "9"
  bundle2-input: part parameters: 1
  bundle2-input: found a handler for part listkeys
  bundle2-input-part: "listkeys" (params: 1 mandatory) supported
  bundle2-input: payload chunk size: 0
  bundle2-input: part header size: 18
  bundle2-input: part type: "PHASE-HEADS"
  bundle2-input: part id: "10"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part phase-heads
  bundle2-input-part: "phase-heads" supported
  bundle2-input: payload chunk size: 24
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 24
  bundle2-input: part header size: 29
  bundle2-input: part type: "cache:rev-branch-cache"
  bundle2-input: part id: "11"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part cache:rev-branch-cache
  bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
  bundle2-input: payload chunk size: 30479
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 30479
  bundle2-input: part header size: 0
  bundle2-input: end of bundle2 stream
  bundle2-input-bundle: 11 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 1ea73414a91b:44e80141ad53
  (run 'hg update' to get a working copy)

  $ mv newbundles oldbundles
  $ ls -1 server/.hg/cache/pullbundles > newbundles
  $ diff -u oldbundles newbundles
  --- oldbundles	* (glob)
  +++ newbundles	* (glob)
  @@ -2,19 +2,26 @@
   02-1dded5aafa0f8d548f6357cc2f8882dcc4489fbf-0000001516skip-0000000002size.hg
   02-2dc4f1ab9029719714b8e0dde8e3725a5bb28472-0000001408skip-0000000064size.hg
   02-2f0e261a08964bc1c607c0eda4978364c22a9b94-0000001504skip-0000000008size.hg
  +02-44e80141ad530a2aa085e9bd9b5311b57eff72ff-0000001522skip-0000000001size.hg
   02-467b6e370e816747e27de0d0b9237f4090a33656-0000001152skip-0000000064size.hg
   02-4a6d0f7d07d060b026d9fc690cd89cd26af96e42-0000001264skip-0000000016size.hg
   02-540f762640ee62ca597ece26af725e6357e82805-0000000000skip-0000001024size.hg
  +02-59e60b258b18cde1e931cf30ce4ae62b49e37abd-0000001520skip-0000000002size.hg
   02-5eaa75df73c454c1afff722301a4c73e897de94d-0000001256skip-0000000008size.hg
   02-63ded94ceab180ac2fa13e1f0beeb4d2265998a3-0000001232skip-0000000002size.hg
  +02-7a55a4d5ce324910842c893b56173cf2a847cb9d-0000001472skip-0000000032size.hg
   02-7f3a79522d6e904d52aea07c71e6cb612667e8f4-0000001216skip-0000000016size.hg
  +02-a4ab7df9d74053fb819c8a1c6a48ad605cc05f8a-0000001504skip-0000000016size.hg
   02-b2d350c94c26edbb783aaa21fc24f1fc65c30e74-0000001536skip-0000000256size.hg
   02-bbd293bd171fd5b711d428db46940a72eca7a40f-0000001280skip-0000000128size.hg
  +02-c12927fef661d2463043347101b90067c2961333-0000001280skip-0000000128size.hg
   02-ca970a853ea24846035ccb324cc8de49ef768748-0000001252skip-0000000004size.hg
   02-d1807e3513890ac71c2e8d10e9dc9a5b58b15d4b-0000001251skip-0000000001size.hg
  +02-d83212ecaa436c80d6113cf915ba35e2db787e79-0000001024skip-0000000227size.hg
   02-d83212ecaa436c80d6113cf915ba35e2db787e79-0000001235skip-0000000016size.hg
   02-da87a81c5310760f414a933e6550b7e8e60cf241-0000001792skip-0000000064size.hg
   02-dba2fddbf3c28198659046674a512afd616a1519-0000001472skip-0000000032size.hg
  +02-dc714c3a5d080165292ba99b097567d0b95e5756-0000001408skip-0000000064size.hg
   02-e469a7aa5cce57653b6b02ff46c80b2d94d62629-0000000899skip-0000000029size.hg
   02-e74670ea99533967c5d90da3ddbc0318cc1fd502-0000001280skip-0000000256size.hg
   02-ee2deecf044fa5583f66188c9177b0f13332adc2-0000001024skip-0000000128size.hg
  [1]

  $ hg -R server log -G -T '{rev}:{node}\n' -r '1789+head()+parents(roots(only(head(), 1789)))+(only(head(), 1789) and (merge() or branchpoint()))'
  o  2130:0f376356904fc8c1c6ceaac27990f2fd79b1f8c1
  :
  o  1789:44e80141ad530a2aa085e9bd9b5311b57eff72ff
  :
  : o  1517:1dded5aafa0f8d548f6357cc2f8882dcc4489fbf
  :/
  o  1250:d83212ecaa436c80d6113cf915ba35e2db787e79
  |
  ~

  $ hg -R client3 pull server --debug --config devel.bundle2.debug=yes | grep -v 'add changeset'
  pulling from server
  query 1; heads
  searching for changes
  all local heads known remotely
  1 changesets found
  4 changesets found
  8 changesets found
  256 changesets found in caches
  64 changesets found in caches
  8 changesets found in caches
  1 changesets found in caches
  4 changesets found in caches
  8 changesets found in caches
  16 changesets found in caches
  128 changesets found in caches
  64 changesets found in caches
  32 changesets found in caches
  8 changesets found in caches
  4 changesets found in caches
  2 changesets found in caches
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 19 parts total
  bundle2-output: start emission of HG20 stream
  bundle2-output: bundle parameter: 
  bundle2-output: start of parts
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 0: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 1: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 2: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 3: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 32768
  bundle2-output: payload chunk size: 14348
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 4: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 5: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 6: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 196
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 7: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 8: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 9: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 2956
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 10: "CHANGEGROUP"
  bundle2-output: header chunk size: 43
  bundle2-output: payload chunk size: 23564
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 11: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 11788
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 12: "CHANGEGROUP"
  bundle2-output: header chunk size: 42
  bundle2-output: payload chunk size: 5900
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 13: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 1484
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 14: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 748
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "changegroup"
  bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
  bundle2-output: part 15: "CHANGEGROUP"
  bundle2-output: header chunk size: 41
  bundle2-output: payload chunk size: 380
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 16: "LISTKEYS"
  bundle2-output: header chunk size: 35
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "phase-heads"
  bundle2-output-part: "phase-heads" 48 bytes payload
  bundle2-output: part 17: "PHASE-HEADS"
  bundle2-output: header chunk size: 18
  bundle2-output: payload chunk size: 48
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "cache:rev-branch-cache"
  bundle2-output-part: "cache:rev-branch-cache" (advisory) streamed payload
  bundle2-output: part 18: "cache:rev-branch-cache"
  bundle2-output: header chunk size: 29
  bundle2-output: payload chunk size: 12179
  bundle2-output: closing payload chunk
  bundle2-output: end of bundle
  bundle2-input: start processing of HG20 stream
  bundle2-input: reading bundle2 stream parameters
  bundle2-input-bundle: with-transaction
  bundle2-input: start extraction of bundle2 parts
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "0"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "1"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "2"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "3"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 32768
  bundle2-input: payload chunk size: 14348
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 256 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 47116
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "4"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "5"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "6"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 196
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 196
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "7"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "8"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "9"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 2956
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 16 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 2956
  bundle2-input: part header size: 43
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "10"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 23564
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 128 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 23564
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "11"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 11788
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 64 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 11788
  bundle2-input: part header size: 42
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "12"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 5900
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 32 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 5900
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "13"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 1484
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 8 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 1484
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "14"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 748
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 4 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 748
  bundle2-input: part header size: 41
  bundle2-input: part type: "CHANGEGROUP"
  bundle2-input: part id: "15"
  bundle2-input: part parameters: 2
  bundle2-input: found a handler for part changegroup
  bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
  adding changesets
  bundle2-input: payload chunk size: 380
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 2 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 380
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "16"
  bundle2-input: part parameters: 1
  bundle2-input: found a handler for part listkeys
  bundle2-input-part: "listkeys" (params: 1 mandatory) supported
  bundle2-input: payload chunk size: 0
  bundle2-input: part header size: 18
  bundle2-input: part type: "PHASE-HEADS"
  bundle2-input: part id: "17"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part phase-heads
  bundle2-input-part: "phase-heads" supported
  bundle2-input: payload chunk size: 48
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 48
  bundle2-input: part header size: 29
  bundle2-input: part type: "cache:rev-branch-cache"
  bundle2-input: part id: "18"
  bundle2-input: part parameters: 0
  bundle2-input: found a handler for part cache:rev-branch-cache
  bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
  bundle2-input: payload chunk size: 12179
  bundle2-input: payload chunk size: 0
  bundle2-input-part: total payload size 12179
  bundle2-input: part header size: 0
  bundle2-input: end of bundle2 stream
  bundle2-input-bundle: 18 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets c232505f58fd:1dded5aafa0f
  (run 'hg heads' to see heads, 'hg merge' to merge)

  $ mv newbundles oldbundles
  $ ls -1 server/.hg/cache/pullbundles > newbundles
  $ diff -u oldbundles newbundles
  --- oldbundles	* (glob)
  +++ newbundles	* (glob)
  @@ -1,5 +1,6 @@
   02-0f376356904fc8c1c6ceaac27990f2fd79b1f8c1-0000001856skip-0000000008size.hg
   02-1dded5aafa0f8d548f6357cc2f8882dcc4489fbf-0000001516skip-0000000002size.hg
  +02-1ed78f99f705cb819a02f1227c217728d008e461-0000001524skip-0000000004size.hg
   02-2dc4f1ab9029719714b8e0dde8e3725a5bb28472-0000001408skip-0000000064size.hg
   02-2f0e261a08964bc1c607c0eda4978364c22a9b94-0000001504skip-0000000008size.hg
   02-44e80141ad530a2aa085e9bd9b5311b57eff72ff-0000001522skip-0000000001size.hg
  @@ -15,6 +16,7 @@
   02-b2d350c94c26edbb783aaa21fc24f1fc65c30e74-0000001536skip-0000000256size.hg
   02-bbd293bd171fd5b711d428db46940a72eca7a40f-0000001280skip-0000000128size.hg
   02-c12927fef661d2463043347101b90067c2961333-0000001280skip-0000000128size.hg
  +02-c232505f58fdf70bcf5f6ab6a555f23ffc74f761-0000001523skip-0000000001size.hg
   02-ca970a853ea24846035ccb324cc8de49ef768748-0000001252skip-0000000004size.hg
   02-d1807e3513890ac71c2e8d10e9dc9a5b58b15d4b-0000001251skip-0000000001size.hg
   02-d83212ecaa436c80d6113cf915ba35e2db787e79-0000001024skip-0000000227size.hg
  @@ -24,6 +26,7 @@
   02-dc714c3a5d080165292ba99b097567d0b95e5756-0000001408skip-0000000064size.hg
   02-e469a7aa5cce57653b6b02ff46c80b2d94d62629-0000000899skip-0000000029size.hg
   02-e74670ea99533967c5d90da3ddbc0318cc1fd502-0000001280skip-0000000256size.hg
  +02-e74670ea99533967c5d90da3ddbc0318cc1fd502-0000001528skip-0000000008size.hg
   02-ee2deecf044fa5583f66188c9177b0f13332adc2-0000001024skip-0000000128size.hg
   02-f864bc82f6a2f2ecb49b83722e0895f9d657b0dd-0000001234skip-0000000001size.hg
   02-fb6c210a224903e81e5a8d2ee099cb0c9526ba8c-0000001512skip-0000000004size.hg
  [1]