diff -r ef11dfc56674 -r bf23d6ee7ec7 mercurial/hgweb/hgwebdir_mod.py
--- a/mercurial/hgweb/hgwebdir_mod.py	Mon Feb 03 20:41:11 2020 +0100
+++ b/mercurial/hgweb/hgwebdir_mod.py	Tue Feb 04 12:07:42 2020 +0100
@@ -35,6 +35,7 @@
     pathutil,
     profiling,
     pycompat,
+    rcutil,
     registrar,
     scmutil,
     templater,
@@ -192,11 +193,12 @@
             continue
 
         u = ui.copy()
-        try:
-            u.readconfig(os.path.join(path, b'.hg', b'hgrc'))
-        except Exception as e:
-            u.warn(_(b'error reading %s/.hg/hgrc: %s\n') % (path, e))
-            continue
+        if rcutil.use_repo_hgrc():
+            try:
+                u.readconfig(os.path.join(path, b'.hg', b'hgrc'))
+            except Exception as e:
+                u.warn(_(b'error reading %s/.hg/hgrc: %s\n') % (path, e))
+                continue
 
         def get(section, name, default=uimod._unset):
             return u.config(section, name, default, untrusted=True)