--- a/mercurial/ui.py Thu Jan 16 19:48:01 2020 -0500
+++ b/mercurial/ui.py Fri Jan 17 13:29:47 2020 -0500
@@ -467,6 +467,25 @@
raise
self.warn(_(b'ignored: %s\n') % stringutil.forcebytestr(inst))
+ self._applyconfig(cfg, trusted, root)
+
+ def applyconfig(self, configitems, source=b"", root=None):
+ """Add configitems from a non-file source. Unlike with ``setconfig()``,
+ they can be overridden by subsequent config file reads. The items are
+ in the same format as ``configoverride()``, namely a dict of the
+ following structures: {(section, name) : value}
+
+ Typically this is used by extensions that inject themselves into the
+ config file load procedure by monkeypatching ``localrepo.loadhgrc()``.
+ """
+ cfg = config.config()
+
+ for (section, name), value in configitems.items():
+ cfg.set(section, name, value, source)
+
+ self._applyconfig(cfg, True, root)
+
+ def _applyconfig(self, cfg, trusted, root):
if self.plain():
for k in (
b'debug',