--- a/mercurial/revlogutils/flagutil.py	Wed Sep 16 21:00:02 2020 +0200
+++ b/mercurial/revlogutils/flagutil.py	Thu Oct 01 09:29:49 2020 +0200
@@ -15,6 +15,7 @@
     REVIDX_ELLIPSIS,
     REVIDX_EXTSTORED,
     REVIDX_FLAGS_ORDER,
+    REVIDX_HASCOPIESINFO,
     REVIDX_ISCENSORED,
     REVIDX_RAWTEXT_CHANGING_FLAGS,
     REVIDX_SIDEDATA,
@@ -28,6 +29,7 @@
 REVIDX_ELLIPSIS
 REVIDX_EXTSTORED
 REVIDX_SIDEDATA
+REVIDX_HASCOPIESINFO,
 REVIDX_DEFAULT_FLAGS
 REVIDX_FLAGS_ORDER
 REVIDX_RAWTEXT_CHANGING_FLAGS
@@ -37,6 +39,7 @@
 # Store flag processors (cf. 'addflagprocessor()' to register)
 flagprocessors = {
     REVIDX_ISCENSORED: None,
+    REVIDX_HASCOPIESINFO: None,
 }