--- a/mercurial/utils/storageutil.py Thu Feb 18 17:36:52 2021 +0100
+++ b/mercurial/utils/storageutil.py Thu Feb 18 18:18:35 2021 +0100
@@ -478,6 +478,7 @@
baserevisionsize=baserevisionsize,
revision=revision,
delta=delta,
+ sidedata=sidedata,
)
prevrev = rev