Elisp code for quickly creating a github gist from a given region

gist-from-region-v3.el

(defun gist-from-region (BEG END fname desc &optional private)
    "Collect the current region creating a github gist with the
filename FNAME and description DESC.
If the optional argument PRIVATE is non-nil then the gist will be
made private. Otherwise the gist will be default to public.

Depends on the `gh' commandline tool"
    (interactive (list (mark) (point)
                       (read-string "File Name: ")
                       (read-string "Description: ")
                       current-prefix-arg))
    (let* ((extra-args (unless private '("--public")))
           (command `("gh" "gist" "create"
                      "--filename" ,fname
                      "--desc" ,desc
                      ,@extra-args
                      "-"))
           (proc (make-process :name "Gist Creation"
                               :buffer "*Gist URL*"
                               :command command
                               :sentinel (lambda (process event)
                                           "Listens for process finish and prints the gist's URL"
                                           (unless (process-live-p process )
                                             (if (string-match "finis.*" event)
                                                 (let ((url (with-current-buffer (process-buffer process)
                                                              (goto-char (point-max))
                                                              (thing-at-point 'line))))
                                                   (message "Gist for file %s created at %s (copied to clipboard)"
                                                            fname
                                                            (with-current-buffer (process-buffer process)
                                                              (goto-char (point-max))
                                                              (thing-at-point 'line)))
                                                   (kill-new url))
                                               (switch-to-buffer "*Gist URL*")))))))
      (message "Creating Gist")
      (process-send-region proc BEG END)
      (process-send-eof proc)
      (process-send-eof proc)))