D1918: localrepo: run cache-warming transaction callback before report callback

[martinvonz (Martin von Zweigbergk)]

martinvonz created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  See in-code comment for details.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1918

AFFECTED FILES
  mercurial/localrepo.py
  tests/test-obsolete-changeset-exchange.t

CHANGE DETAILS

diff --git a/tests/test-obsolete-changeset-exchange.t b/tests/test-obsolete-changeset-exchange.t
--- a/tests/test-obsolete-changeset-exchange.t
+++ b/tests/test-obsolete-changeset-exchange.t
@@ -171,6 +171,6 @@
   bundle2-input-part: total payload size 24
   bundle2-input-bundle: 2 parts total
   checking for updated bookmarks
+  updating the branch cache
   new changesets bec0734cd68e
-  updating the branch cache
   (run 'hg heads' to see heads, 'hg merge' to merge)
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -1320,7 +1320,11 @@
                           **pycompat.strkwargs(hookargs))
             reporef()._afterlock(hookfunc)
         tr.addfinalize('txnclose-hook', txnclosehook)
-        tr.addpostclose('warms-cache', self._buildcacheupdater(tr))
+        # Include a leading "-" to make it happen before the transaction summary
+        # reports registered via scmutil.registersummarycallback() whose names
+        # are 00-txnreport etc. That way, the caches will be warm when the
+        # callbacks run.
+        tr.addpostclose('-warm-cache', self._buildcacheupdater(tr))
         def txnaborthook(tr2):
             """To be run if transaction is aborted
             """



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