# HG changeset patch
# User Joerg Sonnenberger <joerg@bec.de>
# Date 2024-07-19 22:43:08
# Node ID 3dbbb7d913a9e7f75ec7947b861beb7442739e19
# Parent  576876a518e1c342007ff8a8392094f030ab84d9

revlogutils: remember known metadata parents for issue6528

In the cases where the parent revs tell us for sure that the parent has
metadata, remember this fact to avoid content recomputations later.

diff --git a/mercurial/revlogutils/rewrite.py b/mercurial/revlogutils/rewrite.py
--- a/mercurial/revlogutils/rewrite.py
+++ b/mercurial/revlogutils/rewrite.py
@@ -653,6 +653,7 @@ def _is_revision_affected_fast_inner(
 
     p1, p2 = parent_revs()
     if p1 == nullrev or p2 != nullrev:
+        metadata_cache[filerev] = True
         return False
 
     delta_parent = delta_base()