[Request] [+ ] D10613: revlog: determine sidedata support based on the revlog version

[marmoute (Pierre-Yves David)]

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

REVISION SUMMARY
  Revlog version "2" support sidedata, previous version does not. So lets make the
  initialization simpler.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D10613

AFFECTED FILES
  mercurial/revlog.py

CHANGE DETAILS

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -351,6 +351,7 @@
         self._maxdeltachainspan = -1
         self._withsparseread = False
         self._sparserevlog = False
+        self.hassidedata = False
         self._srdensitythreshold = 0.50
         self._srmingapsize = 262144
 
@@ -417,7 +418,6 @@
             self._maxdeltachainspan = opts[b'maxdeltachainspan']
         if self._mmaplargeindex and b'mmapindexthreshold' in opts:
             mmapindexthreshold = opts[b'mmapindexthreshold']
-        self.hassidedata = bool(opts.get(b'side-data', False))
         self._sparserevlog = bool(opts.get(b'sparse-revlog', False))
         withsparseread = bool(opts.get(b'with-sparse-read', False))
         # sparse-revlog forces sparse-read
@@ -521,6 +521,8 @@
             self._inline = False
             # generaldelta implied by version 2 revlogs.
             self._generaldelta = True
+            # revlog-v2 has built in sidedata support
+            self.hassidedata = True
 
         else:
             msg = _(b'unknown version (%d) in revlog %s')



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