Mark magit-todos-depth as safe local variable.

init.d/programming/common.el

@@ -1,6 +1,6 @@
 ;;; common.el --- Common programming settings. -*- lexical-binding: t; -*-
 
-;; Time-stamp: <2019-12-29T00:04:25+0100>
+;; Time-stamp: <2019-12-31T12:57:30+0100>
 
 ;;; Commentary:
 
@@ -275,6 +275,10 @@
   (use-package magit-todos
     :after magit
 
+    :config
+    ;; Mark variables as safe. This prevents prompts when using .dir-locals.el.
+    (put 'magit-todos-depth 'safe-local-variable #'integerp)
+
     :hook
     (magit-mode . magit-todos-mode)
     )