--- a/mercurial/revlogutils/rewrite.py Thu Oct 21 11:21:21 2021 +0200
+++ b/mercurial/revlogutils/rewrite.py Thu Oct 21 17:25:41 2021 +0200
@@ -589,7 +589,9 @@
except error.CensoredNodeError:
# We don't care about censored nodes as they never carry metadata
return False
- has_meta = raw_text.startswith(b'\x01\n')
+
+ # raw text can be a `memoryview`, which doesn't implement `startswith`
+ has_meta = bytes(raw_text[:2]) == b'\x01\n'
if metadata_cache is not None:
metadata_cache[filerev] = has_meta
if has_meta: