--- a/mercurial/configitems.py	Wed May 04 18:17:44 2022 +0200
+++ b/mercurial/configitems.py	Tue Apr 26 09:06:30 2022 -0700
@@ -1570,6 +1570,12 @@
     default=False,
 )
 coreconfigitem(
+    b'merge',
+    b'disable-partial-tools',
+    default=False,
+    experimental=True,
+)
+coreconfigitem(
     b'partial-merge-tools',
     b'.*',
     default=None,
@@ -1609,6 +1615,14 @@
     experimental=True,
 )
 coreconfigitem(
+    b'partial-merge-tools',
+    br'.*\.disable',
+    default=False,
+    generic=True,
+    priority=-1,
+    experimental=True,
+)
+coreconfigitem(
     b'merge-tools',
     b'.*',
     default=None,