unthread hg split

news/hgsplit.rst

@@ -0,0 +1,13 @@
+**Added:** None
+
+**Changed:** None
+
+**Deprecated:** None
+
+**Removed:** None
+
+**Fixed:**
+
+* The ``hg split`` command will now predict as unthreadable.
+
+**Security:** None

xonsh/commands_cache.py

@@ -371,8 +371,12 @@ def HG_PREDICTOR_PARSER():
 def predict_hg(args):
     """Predict if mercurial is about to be run in interactive mode.
     If it is interactive, predict False. If it isn't, predict True.
+    Also predict False for certain commands, such as split.
     """
     ns, _ = HG_PREDICTOR_PARSER.parse_known_args(args)
+    if hg.command == "split":
+        return False
+    else:
         return not ns.interactive