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

  $ cat << EOF >> $HGRCPATH
  > [extensions]
  > pullbundle=
  > EOF

basic setup

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

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

  $ hg -R client pull server -r 1234 --debug --config devel.bundle2.debug=yes | grep -v 'add changeset'
  pulling from server
  query 1; heads
  1235 changesets found
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 4 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: 32768
  bundle2-output: payload chunk size: 28424
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 1: "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 2: "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 3: "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: 32768
  bundle2-input: payload chunk size: 28424
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 1235 changesets with 0 changes to 0 files
  bundle2-input-part: total payload size 225032
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "1"
  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: "2"
  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: "3"
  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: 3 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 1ea73414a91b:f864bc82f6a2
  (run 'hg update' to get a working copy)

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

  $ 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
  896 changesets found
  listing keys for "bookmarks"
  bundle2-output-bundle: "HG20", 4 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: 43
  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: 1036
  bundle2-output: closing payload chunk
  bundle2-output: bundle part: "listkeys"
  bundle2-output-part: "listkeys" (params: 1 mandatory) empty payload
  bundle2-output: part 1: "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 2: "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 3: "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: 43
  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: 1036
  bundle2-input: payload chunk size: 0
  adding manifests
  adding file changes
  added 896 changesets with 0 changes to 0 files (+1 heads)
  bundle2-input-part: total payload size 164876
  bundle2-input: part header size: 35
  bundle2-input: part type: "LISTKEYS"
  bundle2-input: part id: "1"
  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: "2"
  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: "3"
  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: 3 parts total
  checking for updated bookmarks
  updating the branch cache
  new changesets 17185c1c22f1:0f376356904f
  (run 'hg heads' to see heads, 'hg merge' to merge)