From f5e2b467f14a2980dbe1a862ce0b27e768b2e980 Mon Sep 17 00:00:00 2001
From: Ethan Leba <ethanleba5@gmail.com>
Date: Thu, 26 Oct 2023 17:50:21 -0700
Subject: [PATCH] tweak(evil): disable mode if load grammar fails

---
 evil-tree-edit.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/evil-tree-edit.el b/evil-tree-edit.el
index 862a81c..76c1f42 100644
--- a/evil-tree-edit.el
+++ b/evil-tree-edit.el
@@ -560,7 +560,11 @@ This is so that the current node will be properly highlighted in explorer mode."
   :lighter " TE"
   (cond
    (evil-tree-edit-mode
-    (tree-edit-load-grammar-for-major-mode)
+    (condition-case err
+        (tree-edit-load-grammar-for-major-mode)
+      (error
+       (evil-tree-edit-mode -1)
+       (signal (car err) (cdr err))))
     (evil-tree-edit-set-state-bindings major-mode)
     ;; HACK: Above mode binding won't come into effect until the state is changed.
     (evil-normal-state)