Build Website with Org Mode

;; Set the package installation directory so that packages aren't stored in the
;; ~/.emacs.d/elpa path.
(require 'package)
(setq package-user-dir (expand-file-name "./.packages"))
(setq package-archives '(("melpa" . "https://melpa.org/packages/")
                         ("elpa" . "https://elpa.gnu.org/packages/")))

;; Initialize the package system
(package-initialize)
(unless package-archive-contents
  (package-refresh-contents))

;; Install dependencies
(package-install 'htmlize)

;; Load the publishing system
(require 'ox-publish)

;; Customize the HTML output
(setq org-html-validation-link nil            ;; Don't show validation link
      org-html-head-include-scripts nil       ;; Use our own scripts
      org-html-head-include-default-style nil ;; Use our own styles
      org-html-head "<link rel=\"stylesheet\" href=\"https://cdn.simplecss.org/simple.min.css\" />")

;; Define the publishing project
(setq org-publish-project-alist
      (list
       (list "org-site:main"
             :recursive t
             :base-directory "./org"
             :publishing-function 'org-html-publish-to-html
             :publishing-directory "./public_html"
             :with-author nil           ;; Don't include author name
             :with-creator t            ;; Include Emacs and Org versions in footer
             :with-toc nil              ;; Include a table of contents
             :section-numbers nil       ;; Don't include section numbers
             :time-stamp-file nil)))    ;; Don't include time stamp in file

;; Generate the site output
(org-publish-all t)

(message "Build complete!")

#!/bin/sh
emacs -Q --script build-site.el

name: Publish to GitHub Pages

on:
  push:
    branches:
      - master

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Check out
	uses: actions/checkout@v1

      - name: Install Emacs
	run: sudo apt install emacs-nox --yes

      - name: Build the site
	run: ./build.sh

      - name: Publish generated content to GitHub Pages
	uses: JamesIves/github-pages-deploy-action@4.1.4
	with:
	  branch: gh-pages
	  folder: public_html