[Fix #439] Add a workaround for race condition bug in cider-restart

CHANGELOG.md

@@ -12,8 +12,14 @@ cider-nrepl's info middleware for jump-to-definition.
 `cider-prompt-save-file-on-load`.
 * New interactive command `cider-insert-defun-in-repl`.
 * New interactive command `cider-insert-ns-form-in-repl`.
+
+### Bugs fixed
+
 * [#468](https://github.com/clojure-emacs/cider/issues/468) Fix
 pretty-printing of evaluation results so that `*1` is set properly.
+* [#439](https://github.com/clojure-emacs/cider/issues/439) Fix
+race condition bug in `cider-restart`.
+
 
 ## 0.5.0 / 2014-01-24
 
@@ -155,6 +161,7 @@ buffers like `*nrepl-server*` and `*nrepl-connection*`.
 * Add macroexpand key bindings to `nrepl-mode-map`.
 * Don't suppress namespaces in macroexpansion.
 * Add explicit require of expected namespaces in the repl buffer.
+
 * Add command `nrepl-pprint-eval-last-expression`.
 * Add an event buffer for debugging.
 * Allow connections without repl buffers.

cider-interaction.el

@@ -1,7 +1,7 @@
 ;;; cider-interaction.el --- IDE for Clojure
 
-;; Copyright © 2012-2013 Tim King, Phil Hagelberg
-;; Copyright © 2013 Bozhidar Batsov, Hugo Duncan, Steve Purcell
+;; Copyright © 2012-2014 Tim King, Phil Hagelberg
+;; Copyright © 2013-2014 Bozhidar Batsov, Hugo Duncan, Steve Purcell
 ;;
 ;; Author: Tim King <kingtim@gmail.com>
 ;;         Phil Hagelberg <technomancy@gmail.com>
@@ -1314,6 +1314,10 @@ If PROMPT-PROJECT is t, then prompt for the project in which to
 restart the server."
   (interactive)
   (cider-quit)
+  ;; Workaround for a nasty race condition https://github.com/clojure-emacs/cider/issues/439
+  ;; TODO: Find a better way to ensure `cider-quit' has finished
+  (message "Waiting for CIDER to quit...")
+  (sleep 2)
   (cider-jack-in current-prefix-arg))
 
 (add-hook 'nrepl-connected-hook 'cider-enable-on-existing-clojure-buffers)