TODO: Remove async.el discussion, add tasks

TODO.org

@@ -941,36 +941,15 @@ The plist backend could theoretically be extended to support it, but I'd rather
 2. [ ] Use active backend as the suggested input backend
 3. [ ] Conserve file local variables prop line for text backends
 
-** make migrate command async
+** make migrate command async [33%]
 :PROPERTIES:
 :CREATED:  2022-04-01T18:02:03+0530
 :END:
 =chronometrist-migrate= / =chronometrist-to-file= can take a long time to run, freezing Emacs until completion if run synchronously.
 
-I tried using =async.el= by changing the main =if= branch of =chronometrist-migrate= to the following -
-
-#+BEGIN_SRC emacs-lisp
-(if (and confirm confirm-overwrite)
-    (async-start
-     `(lambda ()
-        (require 'cl)
-        ;; This will break if the user did not install Chronometrist
-        ;; and related packages via MELPA. An improvement would be to
-        ;; load `(locate-user-emacs-file "init.el")' if it
-        ;; exists. It's not perfect, but would cover most situations.
-        (package-initialize)
-        (cl-loop for (pkg . desc) in package-alist
-          when (string-match-p "^chronometrist" (symbol-name pkg))
-          do (require pkg))
-        ,(async-inject-variables "chronometrist-")
-        (chronometrist-to-file (chronometrist-backend-hash-table ,input-backend)
-                               ,output-backend ,output-file))
-     (lambda (result)
-       (message "Conversion complete.")))
-  (message "Conversion aborted."))
-#+END_SRC
-
-Unfortunately, this code does not work - it results in an =(invalid-read-syntax "#")= error, which seems to be a [[https://github.com/jwiegley/emacs-async/issues?q=is%3Aissue+read+syntax][common error]] with this library.
+1. [X] basic async export
+2. [ ] display message on start and completion
+3. [ ] test the INPUT-FILE argument
 
 * STARTED Support for the Third Time System [57%]                 :extension:
 :PROPERTIES: