bin/doom: revert debug-on-error = t

It's too destructive. Will sometimes crash the script with no error
output.

bin/doom

@@ -82,8 +82,25 @@
          (usage)
          (message "")
          (error "No command detected, aborting!"))
-        ((let ((default-directory emacs-dir)
+        ((let ((default-directory emacs-dir))
-               (debug-on-error t))
            (setq argv nil
                  noninteractive 'doom)
-           (doom-dispatch (car args) (cdr args))))))
+           (condition-case e
+               (doom-dispatch (car args) (cdr args))
+             (user-error
+              (signal (car e) (cdr e)))
+             ((debug error)
+              (message "--------------------------------------------------\n")
+              (message "There was an unexpected error:")
+              (message "  %s (%s)" (get (car e) 'error-message) (car e))
+              (dolist (item (cdr e))
+                (message "  %s" item))
+              (unless debug-on-error
+                (message
+                 (concat "\nRun the command again with the -d (or --debug) option to enable debug\n"
+                         "mode and, hopefully, generate a stack trace. If you decide to file a bug\n"
+                         "report, please include it!\n\n"
+                         "Emacs outputs to standard error, so you'll need to redirect stderr to\n"
+                         "stdout to pipe this to a file or clipboard!\n\n"
+                         "  e.g. doom -d install 2>&1 | clipboard-program"))
+                (signal 'doom-error e))))))))