Make sideline-blame--get-message interruptible (#4)

Ref: #3

Author: daanturo

sideline-blame.el

@@ -137,7 +137,8 @@ Argument COMMAND is required in sideline backend."
 
 (defun sideline-blame--display (callback &rest _)
   "Execute CALLBACK to display with sideline."
-  (when-let ((msg (sideline-blame--get-message)))
+  (when-let* ((msg (while-no-input (sideline-blame--get-message)))
+              (_ (not (equal t msg))))
     (funcall callback (list msg))))
 
 (provide 'sideline-blame)