;;; -*- lexical-binding: t -*-
;;;
;;; this file:
;;;   http://user.it.uu.se/~embe8573/emacs-init/time-incal.el
;;;   https://dataswamp.org/~incal/emacs-init/time-incal.el

(require 'subr-x)
(require 'time-insert)

(defvar *timer-test-var*)
(setq *timer-test-var* 0)
(defun timer-test ()
  (cl-incf *timer-test-var*) )
;; (run-at-time "00:00" (* 24 60 60) #'timer-test)

(defun message-shell-command-output (command)
  (interactive "s$ ")
  (with-temp-buffer
    (shell-command command 1)
    (message (buffer-substring (point-min) (1- (point-max)))) ))

;; this relies on the zsh function long-date,
;; see: https://dataswamp.org/~incal/conf/.zsh/time
(defun show-time-and-date (&optional insert)
  (interactive "P")
  (let ((date-script "long-date"))
    (if insert (insert-shell-command date-script)
      (message-shell-command-output date-script) )))
(defalias 'd #'show-time-and-date)

(provide 'time-incal)