fixup! Fix TRAMP issues

projectile.el

@@ -863,9 +863,12 @@ topmost sequence of matched directories.  Nil otherwise."
 (defun projectile-project-root ()
   "Retrieves the root directory of a project if available.
 The current directory is assumed to be the project's root otherwise."
+  ;; The `is-local' and `is-connected' variables are used to fix the behavior where Emacs hangs
+  ;; because of Projectile when you open a file over TRAMP. It basically prevents projectile from
+  ;; trying to find information about files for which it's not possible to get informations from.
   (let* ((dir default-directory)
-         (is-local (not (file-remote-p dir)))
-         (is-connected (file-remote-p dir nil t)))
+         (is-local (not (file-remote-p dir)))      ;; `true' if the file is local
+         (is-connected (file-remote-p dir nil t))) ;; `true' if the file is remote AND we are connected to the remote
     (or (when (or is-local is-connected)
           (cl-some
            (lambda (func)