--- a/mercurial/upgrade.py Sun Oct 06 23:36:51 2019 -0400
+++ b/mercurial/upgrade.py Sun Oct 06 23:36:51 2019 -0400
@@ -76,6 +76,7 @@
"""
supported = {
localrepo.SPARSEREVLOG_REQUIREMENT,
+ localrepo.SIDEDATA_REQUIREMENT,
}
for name in compression.compengines:
engine = compression.compengines[name]
@@ -679,8 +680,18 @@
)
-def getsidedatacompanion(srcrepo, destrepo):
- return None
+def getsidedatacompanion(srcrepo, dstrepo):
+ sidedatacompanion = None
+ removedreqs = srcrepo.requirements - dstrepo.requirements
+ if localrepo.SIDEDATA_REQUIREMENT in removedreqs:
+
+ def sidedatacompanion(rl, rev):
+ rl = getattr(rl, '_revlog', rl)
+ if rl.flags(rev) & revlog.REVIDX_SIDEDATA:
+ return True, (), {}
+ return False, (), {}
+
+ return sidedatacompanion
def matchrevlog(revlogfilter, entry):