diff -r 5ac0e6f19eb4 -r 1864efbe90d9 mercurial/ui.py
--- a/mercurial/ui.py	Sun Dec 29 20:51:44 2019 -0500
+++ b/mercurial/ui.py	Sun Dec 29 21:06:34 2019 -0500
@@ -308,6 +308,8 @@
         for t, f in rcutil.rccomponents():
             if t == b'path':
                 u.readconfig(f, trust=True)
+            elif t == b'resource':
+                u.read_resource_config(f, trust=True)
             elif t == b'items':
                 sections = set()
                 for section, name, value, source in f: