diff -r 9a99ab8217bd -r d252f51ab032 mercurial/scmutil.py
--- a/mercurial/scmutil.py	Fri Aug 07 16:11:19 2020 +0530
+++ b/mercurial/scmutil.py	Tue Apr 14 21:07:09 2020 +0530
@@ -1479,7 +1479,7 @@
 
     Returns (wcreq, storereq)
     """
-    if False:
+    if requirementsmod.SHARESAFE_REQUIREMENT in requirements:
         wc, store = set(), set()
         for r in requirements:
             if r in requirementsmod.WORKING_DIR_REQUIREMENTS: