marmoute created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REVISION SUMMARY
  This work around any deviciency/limitation of the clone process. In our case
  this ensure the persistent nodemap exist with valid content.
  
  Ideally, the cloning process would also do "the right thing". However since
  older server will never be able to do "the right thing". The local workaround
  will be necessary anyway.
  
  I am not worried by the performance impact of this as `hg clone` is 
non-instant
  on large repositories where is could matters. Warming the cache if they are
  already correct is very fast. And if they are not already warm, this seems 
like
  a good time to do so.
  
  This impact various test as more cache are now warmed sooner, all the change
  should be harmless.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D9789

AFFECTED FILES
  mercurial/hg.py
  tests/test-acl.t
  tests/test-blackbox.t
  tests/test-clone-uncompressed.t
  tests/test-clone.t
  tests/test-clonebundles.t
  tests/test-empty.t
  tests/test-eol-clone.t
  tests/test-hardlinks.t
  tests/test-lfs-serve-access.t
  tests/test-persistent-nodemap.t
  tests/test-share.t
  tests/test-ssh.t
  tests/test-stream-bundle-v2.t
  tests/test-tags.t
  tests/test-treemanifest.t
  tests/test-wireproto-exchangev2-shallow.t
  tests/test-wireproto-exchangev2.t

CHANGE DETAILS

diff --git a/tests/test-wireproto-exchangev2.t 
b/tests/test-wireproto-exchangev2.t
--- a/tests/test-wireproto-exchangev2.t
+++ b/tests/test-wireproto-exchangev2.t
@@ -111,6 +111,7 @@
   }
   updating the branch cache
   new changesets 3390ef850073:caa2a465451d (3 drafts)
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -239,6 +240,7 @@
   }
   updating the branch cache
   new changesets 3390ef850073:4432d83626e8
+  updating the branch cache
   (sent 6 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -557,6 +559,7 @@
   }
   updating the branch cache
   new changesets 3390ef850073:caa2a465451d (1 drafts)
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -758,6 +761,7 @@
   }
   updating the branch cache
   new changesets 3390ef850073:97765fc3cd62
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -872,6 +876,7 @@
   }
   updating the branch cache
   new changesets 3390ef850073:97765fc3cd62
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -988,6 +993,7 @@
   }
   updating the branch cache
   new changesets 3390ef850073:97765fc3cd62
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -1087,6 +1093,7 @@
       }
     ]
   }
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
@@ -1183,6 +1190,7 @@
       }
     ]
   }
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ cat clone-output | grep "received frame"
diff --git a/tests/test-wireproto-exchangev2-shallow.t 
b/tests/test-wireproto-exchangev2-shallow.t
--- a/tests/test-wireproto-exchangev2-shallow.t
+++ b/tests/test-wireproto-exchangev2-shallow.t
@@ -168,6 +168,7 @@
    dir1/f: remote created -> g
   getting dir1/f
   6 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ sqlite3 -line client-shallow-1/.hg/store/db.sqlite << EOF
@@ -333,6 +334,7 @@
    dir0/d: remote created -> g
   getting dir0/d
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ sqlite3 -line client-shallow-narrow-1/.hg/store/db.sqlite << EOF
@@ -469,6 +471,7 @@
    dir1/f: remote created -> g
   getting dir1/f
   6 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   (sent 6 HTTP requests and * bytes; received * bytes in responses) (glob)
 
 Incremental pull of shallow clone fetches new changesets
diff --git a/tests/test-treemanifest.t b/tests/test-treemanifest.t
--- a/tests/test-treemanifest.t
+++ b/tests/test-treemanifest.t
@@ -792,7 +792,7 @@
   $ hg clone --config experimental.changegroup3=True --stream -U \
   >   http://localhost:$HGPORT1 stream-clone-basicstore
   streaming all changes
-  21 files to transfer, * of data (glob)
+  29 files to transfer, * of data (glob)
   transferred * in * seconds (*) (glob)
   $ hg -R stream-clone-basicstore verify
   checking changesets
@@ -806,7 +806,7 @@
   $ hg clone --config experimental.changegroup3=True --stream -U \
   >   http://localhost:$HGPORT2 stream-clone-encodedstore
   streaming all changes
-  21 files to transfer, * of data (glob)
+  29 files to transfer, * of data (glob)
   transferred * in * seconds (*) (glob)
   $ hg -R stream-clone-encodedstore verify
   checking changesets
diff --git a/tests/test-tags.t b/tests/test-tags.t
--- a/tests/test-tags.t
+++ b/tests/test-tags.t
@@ -721,19 +721,26 @@
 
   $ ls tagsclient/.hg/cache
   branch2-base
+  branch2-immutable
+  branch2-served
+  branch2-served.hidden
+  branch2-visible
+  branch2-visible-hidden
   hgtagsfnodes1
   rbc-names-v1
   rbc-revs-v1
+  tags2
+  tags2-served
 
 Cache should contain the head only, even though other nodes have tags data
 
   $ f --size --hexdump tagsclient/.hg/cache/hgtagsfnodes1
   tagsclient/.hg/cache/hgtagsfnodes1: size=96
-  0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0030: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0040: ff ff ff ff ff ff ff ff 40 f0 35 8c 19 e0 a7 d3 |........@.5.....|
+  0000: 96 ee 1d 73 00 00 00 00 00 00 00 00 00 00 00 00 |...s............|
+  0010: 00 00 00 00 00 00 00 00 c4 da b0 c2 94 65 e1 c6 |.............e..|
+  0020: 0d f7 f0 dd 32 04 ea 57 78 c8 97 97 79 fc d5 95 |....2..Wx...y...|
+  0030: f6 3c c8 fe 94 65 e1 c6 0d f7 f0 dd 32 04 ea 57 |.<...e......2..W|
+  0040: 78 c8 97 97 79 fc d5 95 40 f0 35 8c 19 e0 a7 d3 |x...y...@.5.....|
   0050: 8a 5c 6a 82 4d cf fb a5 87 d0 2f a3 1e 4f 2f 8a |.\j.M...../..O/.|
 
 Running hg tags should produce tags2* file and not change cache
@@ -745,18 +752,25 @@
 
   $ ls tagsclient/.hg/cache
   branch2-base
+  branch2-immutable
+  branch2-served
+  branch2-served.hidden
+  branch2-visible
+  branch2-visible-hidden
   hgtagsfnodes1
   rbc-names-v1
   rbc-revs-v1
+  tags2
+  tags2-served
   tags2-visible
 
   $ f --size --hexdump tagsclient/.hg/cache/hgtagsfnodes1
   tagsclient/.hg/cache/hgtagsfnodes1: size=96
-  0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0030: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
-  0040: ff ff ff ff ff ff ff ff 40 f0 35 8c 19 e0 a7 d3 |........@.5.....|
+  0000: 96 ee 1d 73 00 00 00 00 00 00 00 00 00 00 00 00 |...s............|
+  0010: 00 00 00 00 00 00 00 00 c4 da b0 c2 94 65 e1 c6 |.............e..|
+  0020: 0d f7 f0 dd 32 04 ea 57 78 c8 97 97 79 fc d5 95 |....2..Wx...y...|
+  0030: f6 3c c8 fe 94 65 e1 c6 0d f7 f0 dd 32 04 ea 57 |.<...e......2..W|
+  0040: 78 c8 97 97 79 fc d5 95 40 f0 35 8c 19 e0 a7 d3 |x...y...@.5.....|
   0050: 8a 5c 6a 82 4d cf fb a5 87 d0 2f a3 1e 4f 2f 8a |.\j.M...../..O/.|
 
 Check that the bundle includes cache data
@@ -779,6 +793,8 @@
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ (cd tags-local-clone/.hg/cache/; ls -1 tag*)
+  tags2
+  tags2-served
   tags2-visible
 
 Avoid writing logs on trying to delete an already deleted tag
diff --git a/tests/test-stream-bundle-v2.t b/tests/test-stream-bundle-v2.t
--- a/tests/test-stream-bundle-v2.t
+++ b/tests/test-stream-bundle-v2.t
@@ -117,6 +117,7 @@
    E: remote created -> g
   getting E
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   (sent 4 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ hg clone --stream http://localhost:$HGPORT streamv2-clone-explicit --debug
@@ -173,4 +174,5 @@
    E: remote created -> g
   getting E
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   (sent 4 HTTP requests and * bytes; received * bytes in responses) (glob)
diff --git a/tests/test-ssh.t b/tests/test-ssh.t
--- a/tests/test-ssh.t
+++ b/tests/test-ssh.t
@@ -84,8 +84,8 @@
   $ hg -R local-stream book mybook
   $ hg clone -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" --stream 
ssh://user@dummy/local-stream stream2
   streaming all changes
-  9 files to transfer, 870 bytes of data
-  transferred 870 bytes in * seconds (*) (glob)
+  16 files to transfer, * of data (glob)
+  transferred * in * seconds (*) (glob)
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd stream2
diff --git a/tests/test-share.t b/tests/test-share.t
--- a/tests/test-share.t
+++ b/tests/test-share.t
@@ -62,9 +62,17 @@
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ ls -1 ../repo2-clone/.hg/cache
+  branch2-base
+  branch2-immutable
   branch2-served
+  branch2-served.hidden
+  branch2-visible
+  branch2-visible-hidden
+  hgtagsfnodes1
   rbc-names-v1
   rbc-revs-v1
+  tags2
+  tags2-served
   tags2-visible
 
 Some sed versions appends newline, some don't, and some just fails
diff --git a/tests/test-persistent-nodemap.t b/tests/test-persistent-nodemap.t
--- a/tests/test-persistent-nodemap.t
+++ b/tests/test-persistent-nodemap.t
@@ -608,8 +608,17 @@
 
   $ hg clone -U test-repo local-clone
   $ ls -1 local-clone/.hg/store/ | egrep '00(changelog|manifest)(\.n|-.*\.nd)'
-  [1]
+  00changelog-*.nd (glob)
+  00changelog.n
+  00manifest-*.nd (glob)
+  00manifest.n
   $ hg -R local-clone debugnodemap --metadata
+  uid: * (glob)
+  tip-rev: 5005
+  tip-node: 90d5d3ba2fc47db50f712570487cb261a68c8ffe
+  data-length: 121088
+  data-unused: 0
+  data-unused: 0.000%
 
 stream clone
 ------------
@@ -624,5 +633,14 @@
   adding [s] 00changelog.i (313 KB)
   adding [s] 00changelog.d (360 KB)
   $ ls -1 stream-clone/.hg/store/ | egrep '00(changelog|manifest)(\.n|-.*\.nd)'
-  [1]
+  00changelog-*.nd (glob)
+  00changelog.n
+  00manifest-*.nd (glob)
+  00manifest.n
   $ hg -R stream-clone debugnodemap --metadata
+  uid: * (glob)
+  tip-rev: 5005
+  tip-node: 90d5d3ba2fc47db50f712570487cb261a68c8ffe
+  data-length: 121088
+  data-unused: 0
+  data-unused: 0.000%
diff --git a/tests/test-lfs-serve-access.t b/tests/test-lfs-serve-access.t
--- a/tests/test-lfs-serve-access.t
+++ b/tests/test-lfs-serve-access.t
@@ -158,6 +158,7 @@
   getting lfs.bin
   lfs: found f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e 
in the local lfs store
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   (sent 3 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ "$PYTHON" $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
diff --git a/tests/test-hardlinks.t b/tests/test-hardlinks.t
--- a/tests/test-hardlinks.t
+++ b/tests/test-hardlinks.t
@@ -69,6 +69,7 @@
   linking: 6 files
   linking: 7 files
   linked 7 files
+  updating the branch cache
 
 Create non-hardlinked clone r3:
 
@@ -238,9 +239,16 @@
   2 r4/.hg/00changelog.i
   2 r4/.hg/branch
   2 r4/.hg/cache/branch2-base
+  2 r4/.hg/cache/branch2-immutable
   2 r4/.hg/cache/branch2-served
+  2 r4/.hg/cache/branch2-served.hidden
+  2 r4/.hg/cache/branch2-visible
+  2 r4/.hg/cache/branch2-visible-hidden
+  2 r4/.hg/cache/hgtagsfnodes1
   2 r4/.hg/cache/rbc-names-v1
   2 r4/.hg/cache/rbc-revs-v1
+  2 r4/.hg/cache/tags2
+  2 r4/.hg/cache/tags2-served
   2 r4/.hg/dirstate
   2 r4/.hg/fsmonitor.state (fsmonitor !)
   2 r4/.hg/hgrc
@@ -289,9 +297,16 @@
   2 r4/.hg/00changelog.i
   1 r4/.hg/branch
   2 r4/.hg/cache/branch2-base
+  2 r4/.hg/cache/branch2-immutable
   2 r4/.hg/cache/branch2-served
+  2 r4/.hg/cache/branch2-served.hidden
+  2 r4/.hg/cache/branch2-visible
+  2 r4/.hg/cache/branch2-visible-hidden
+  2 r4/.hg/cache/hgtagsfnodes1
   2 r4/.hg/cache/rbc-names-v1
   2 r4/.hg/cache/rbc-revs-v1
+  2 r4/.hg/cache/tags2
+  2 r4/.hg/cache/tags2-served
   1 r4/.hg/dirstate
   1 r4/.hg/fsmonitor.state (fsmonitor !)
   2 r4/.hg/hgrc
diff --git a/tests/test-eol-clone.t b/tests/test-eol-clone.t
--- a/tests/test-eol-clone.t
+++ b/tests/test-eol-clone.t
@@ -89,6 +89,7 @@
    a.txt: remote created -> g
   getting a.txt
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updating the branch cache
   $ cd repo-3
 
   $ cat a.txt
diff --git a/tests/test-empty.t b/tests/test-empty.t
--- a/tests/test-empty.t
+++ b/tests/test-empty.t
@@ -44,6 +44,7 @@
   checked 0 changesets with 0 changes to 0 files
   $ ls .hg
   00changelog.i
+  cache
   hgrc
   requires
   store
diff --git a/tests/test-clonebundles.t b/tests/test-clonebundles.t
--- a/tests/test-clonebundles.t
+++ b/tests/test-clonebundles.t
@@ -597,6 +597,7 @@
   added 2 changesets with 2 changes to 2 files
   new changesets 53245c60e682:aaff8d2ffbbf
   calling hook changegroup.lfiles: 
hgext.largefiles.reposetup.checkrequireslfiles
+  updating the branch cache
   (sent 4 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ hg clone -U --debug --config ui.available-memory=32MB 
http://localhost:$HGPORT gzip-too-large2
@@ -634,5 +635,6 @@
   checking for updated bookmarks
   2 local changesets published
   calling hook changegroup.lfiles: 
hgext.largefiles.reposetup.checkrequireslfiles
+  updating the branch cache
   (sent 4 HTTP requests and * bytes; received * bytes in responses) (glob)
   $ killdaemons.py
diff --git a/tests/test-clone.t b/tests/test-clone.t
--- a/tests/test-clone.t
+++ b/tests/test-clone.t
@@ -56,9 +56,17 @@
 Ensure branchcache got copied over:
 
   $ ls .hg/cache
+  branch2-base
+  branch2-immutable
   branch2-served
+  branch2-served.hidden
+  branch2-visible
+  branch2-visible-hidden
+  hgtagsfnodes1
   rbc-names-v1
   rbc-revs-v1
+  tags2
+  tags2-served
 
   $ cat a
   a
@@ -99,6 +107,7 @@
   linking: 17 files (reposimplestore !)
   linking: 18 files (reposimplestore !)
   linked 18 files (reposimplestore !)
+  updating the branch cache
 #else
   $ hg --debug clone -U . ../c --config progress.debug=true
   linking: 1 files
@@ -127,9 +136,17 @@
 Ensure branchcache got copied over:
 
   $ ls .hg/cache
+  branch2-base
+  branch2-immutable
   branch2-served
+  branch2-served.hidden
+  branch2-visible
+  branch2-visible-hidden
+  hgtagsfnodes1
   rbc-names-v1
   rbc-revs-v1
+  tags2
+  tags2-served
 
   $ cat a 2>/dev/null || echo "a not present"
   a not present
diff --git a/tests/test-clone-uncompressed.t b/tests/test-clone-uncompressed.t
--- a/tests/test-clone-uncompressed.t
+++ b/tests/test-clone-uncompressed.t
@@ -192,9 +192,17 @@
   transferred 96.5 KB in * seconds (* */sec) (glob)
 
   $ ls -1 clone1/.hg/cache
+  branch2-base
+  branch2-immutable
   branch2-served
+  branch2-served.hidden
+  branch2-visible
+  branch2-visible-hidden
+  hgtagsfnodes1
   rbc-names-v1
   rbc-revs-v1
+  tags2
+  tags2-served
 #endif
 
 getbundle requests with stream=1 are uncompressed
@@ -265,6 +273,7 @@
   bundle2-input-part: total payload size 24
   bundle2-input-bundle: 2 parts total
   checking for updated bookmarks
+  updating the branch cache
   (sent 5 HTTP requests and * bytes; received * bytes in responses) (glob)
 #endif
 #if stream-bundle2
@@ -287,6 +296,7 @@
   bundle2-input-part: "listkeys" (params: 1 mandatory) supported
   bundle2-input-bundle: 2 parts total
   checking for updated bookmarks
+  updating the branch cache
   (sent 3 HTTP requests and * bytes; received * bytes in responses) (glob)
 #endif
 
diff --git a/tests/test-blackbox.t b/tests/test-blackbox.t
--- a/tests/test-blackbox.t
+++ b/tests/test-blackbox.t
@@ -128,9 +128,9 @@
   new changesets d02f48003e62
   (run 'hg update' to get a working copy)
   $ hg blackbox -l 6
-  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
pull
-  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
updated branch cache (served) in * seconds (glob)
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
wrote branch cache (served) with 1 labels and 2 nodes
+  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
updated branch cache (served.hidden) in * seconds (glob)
+  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
wrote branch cache (served.hidden) with 1 labels and 2 nodes
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 1 
incoming changes - new heads: d02f48003e62
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
pull exited 0 after * seconds (glob)
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
blackbox -l 6
@@ -193,8 +193,8 @@
   $ hg blackbox -l 6
   1970/01/01 00:00:00 bob @73f6ee326b27d820b0472f1a825e3a50f3dc489b (5000)> 
strip tip
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
saved backup bundle to 
$TESTTMP/blackboxtest2/.hg/strip-backup/73f6ee326b27-7612e004-backup.hg
-  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
updated branch cache (base) in * seconds (glob)
-  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
wrote branch cache (base) with 1 labels and 2 nodes
+  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
updated branch cache (immutable) in * seconds (glob)
+  1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
wrote branch cache (immutable) with 1 labels and 2 nodes
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
strip tip exited 0 after * seconds (glob)
   1970/01/01 00:00:00 bob @6563da9dcf87b1949716e38ff3e3dfaa3198eb06 (5000)> 
blackbox -l 6
 
diff --git a/tests/test-acl.t b/tests/test-acl.t
--- a/tests/test-acl.t
+++ b/tests/test-acl.t
@@ -807,6 +807,7 @@
   acl: bookmark access granted: "ef1ea85a6374b77d6da9dcda9541f498f2d17df7" on 
bookmark "moving-bookmark"
   bundle2-input-bundle: 7 parts total
   updating the branch cache
+  invalid branch cache (served.hidden): tip differs
   added 1 changesets with 1 changes to 1 files
   bundle2-output-bundle: "HG20", 1 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) 
empty payload
@@ -1788,6 +1789,7 @@
   bundle2-input-part: total payload size 48
   bundle2-input-bundle: 5 parts total
   updating the branch cache
+  invalid branch cache (served.hidden): tip differs
   added 4 changesets with 4 changes to 4 files (+1 heads)
   bundle2-output-bundle: "HG20", 1 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) 
empty payload
@@ -2094,6 +2096,7 @@
   bundle2-input-part: total payload size 48
   bundle2-input-bundle: 5 parts total
   updating the branch cache
+  invalid branch cache (served.hidden): tip differs
   added 4 changesets with 4 changes to 4 files (+1 heads)
   bundle2-output-bundle: "HG20", 1 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) 
empty payload
@@ -2185,6 +2188,7 @@
   bundle2-input-part: total payload size 48
   bundle2-input-bundle: 5 parts total
   updating the branch cache
+  invalid branch cache (served.hidden): tip differs
   added 4 changesets with 4 changes to 4 files (+1 heads)
   bundle2-output-bundle: "HG20", 1 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) 
empty payload
@@ -2348,6 +2352,7 @@
   bundle2-input-part: total payload size 48
   bundle2-input-bundle: 5 parts total
   updating the branch cache
+  invalid branch cache (served.hidden): tip differs
   added 4 changesets with 4 changes to 4 files (+1 heads)
   bundle2-output-bundle: "HG20", 1 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) 
empty payload
diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -1038,6 +1038,14 @@
                 _update(destrepo, uprev)
                 if update in destrepo._bookmarks:
                     bookmarks.activate(destrepo, update)
+            if destlock is not None:
+                release(destlock)
+            # here is a tiny windows were someone could end up writing the
+            # repository before the cache are sure to be warm. This if "fine"
+            # as the only "bad" outcome would be some slowness. That potential
+            # slowness already affect reader.
+            with destrepo.lock():
+                destrepo.updatecaches(full=True)
     finally:
         release(srclock, destlock)
         if cleandir is not None:



To: marmoute, #hg-reviewers
Cc: mercurial-patches, mercurial-devel
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