clojure: Save history.

.emacs.d/lisp/init-clojure.el

@@ -8,6 +8,8 @@
   (dolist (hook '(clojure-mode-hook cider-repl-mode-hook))
     (add-hook hook #'rainbow-delimiters-mode)))
 
+(setq cider-repl-history-file (expand-file-name "cider-history" user-emacs-directory))
+
 (defun ambrevar/cider-switch-to-repl () ; TODO: Replace with `helm-defswitch'.
   (interactive)
   (require 'cider)