1 files changed, 34 insertions, 0 deletions

@@ -42,5 +42,39 @@ the filesystem, unless INHIBIT-MKDIR is non-nil."
            (make-directory (file-name-directory file-name) :parents))
          file-name))))
 
+
+(defun +suppress-messages (oldfn &rest args) ; from pkal
+  "Advice wrapper for suppressing `message'.
+OLDFN is the wrapped function, that is passed the arguments
+ARGS."
+  (let ((msg (current-message)))
+    (prog1
+        (let ((inhibit-message t))
+          (apply oldfn args))
+      (when msg
+        (message "%s" msg)))))
+
+
+(defun +sunrise-sunset (sunrise-command sunset-command)
+  "Run SUNRISE-COMMAND at sunrise, and SUNSET-COMMAND at sunset."
+  (let* ((times-regex (rx (* nonl)
+                          (: (any ?s ?S) "unrise") " "
+                          (group (repeat 1 2 digit) ":"
+                                 (repeat 1 2 digit)
+                                 (: (any ?a ?A ?p ?P) (any ?m ?M)))
+                          (* nonl)
+                          (: (any ?s ?S) "unset") " "
+                          (group (repeat 1 2 digit) ":"
+                                 (repeat 1 2 digit)
+                                 (: (any ?a ?A ?p ?P) (any ?m ?M)))
+                          (* nonl)))
+         (ss (+suppress-messages #'sunrise-sunset))
+         (_m (string-match times-regex ss))
+         (sunrise-time (match-string 1 ss))
+         (sunset-time (match-string 2 ss)))
+    (run-at-time sunrise-time (* 60 60 24) sunrise-command)
+    (run-at-time sunset-time (* 60 60 24) sunset-command)
+    (run-at-time "12:00am" (* 60 60 24) sunset-command))))
+
 (provide 'acdw)
 ;;; acdw.el ends here