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2020-05-12 - How this gets published - an org-publish config

I've seen a few other people doing the #100DaysToOffload who are using Emacs to write. It seems that of among those who are, using ox-hugo is common. It's an exporter from org format into markdown with the front matter that Hugo expects. Hugo is a very nice, fast static site engine but I've taken a different route, and am using a simple elisp configuration calling org-html-publish-to-html. This actually publishes all of my site on SDF, so there are three components to the org-publish project named site:

(defun spacelite/init-org-publish ()
  ;; Blog publishing
  (require 'ox-publish)
  (setq org-publish-project-alist
        '(("site"
           :components ("content" "static" "blog"))

The first content component takes care of some non-blog pages which live in the root of the site. It's pretty simple with just a few aspects of the default output disabled, and a stylesheet added. That stylesheet is a stripped down and customized version of this one.

("content"
 :base-directory "~/Org/www/pages/"
 :base-extension "org"
 :publishing-directory "/ssh:dctrud@ma.sdf.org:/meta/www/d/dctrud/"
 :publishing-function org-html-publish-to-html
 :recursive t
 :timestamp t
 :with-sub-superscript nil
 :section-numbers: nil
 :with-headline-numbers nil
 :style "<link rel=\"stylesheet\" href=\"/static/org-css/stylesheet.css\" type=\"text/css\" />")

The static component pushes up any static files I have locally, so they are available to use or link to in pages and posts.

("static"
 :base-directory "~/Org/www/static/"
 :base-extension "css\\|js\\|png\\|jpg\\|gif\\|pdf\\|mp3\\|ogg\\|swf\\|otf"
 :publishing-directory "/ssh:dctrud@ma.sdf.org:/meta/www/d/dctrud/static/"
 :recursive t
 :publishing-function org-publish-attachment)

Then the blog posts component… this is pretty much the same as for the normal pages in the content component, but with the addition of a sitemap. This sitemap is just the simple index page to the posts. It's automatically written out to an index.org file when I call org-publish-all and then that goes through org-html-publish-to-html to become index.html in the /blog section of the website.

("blog"
 :base-directory "~/Org/www/blog/"
 :base-extension "org"
 :publishing-directory "/ssh:dctrud@ma.sdf.org:/meta/www/d/dctrud/blog/"
 :publishing-function org-html-publish-to-html
 :makeindex nil
 :auto-sitemap t
 :sitemap-filename "index.org"
 :sitemap-title "dctrud@sdf :: Blog"
 :sitemap-function spacelite/blog-sitemap-function
 :sitemap-sort-files anti-chronologically
 :recursive t
 :timestamp t
 :with-sub-superscript nil
 :section-numbers: nil
 :with-headline-numbers nil
))))

The sitemap-function is used to customize the generation of the sitemap index.org. It's very simple and ugly, and should probably include header / footer stuff from files rather than just concatenating a bunch of strings, but I'm lazy and it works for now.

A sitemap-function has to operate over the list that it receives. Here (org-list-to-org list) is just creating a normal (bullet) list containing a link to each post, under the * Recent Posts top level section.

(defun spacelite/blog-sitemap-function (title list)
  (concat "#+TITLE: dctrud@sdf :: Blog\n"
          "#+HTML_HEAD: <link rel=\"stylesheet\" type=\"text/css\" href=\"/static/org-css/stylesheet.css\" />\n\n"
          "#+BEGIN_CENTER\n"
          "[ [[file:../index.org][Home]] | [[file:../cv.org][About Me]] | [[file:index.org][Blog]] | [[file:../selfhosting.org][Self Hosting]] | [[file:../vinyl.org][Vinyl]] ]\n"
          "#+END_CENTER\n\n"
          "Welcome to my blog... I'm currently taking part in the [[https://100daystooffload.com/][#100DaysToOffload]] challenge\n"
          "so there should be something insignificant and uninteresting added here every day :-)\n\n"
          "Expect a mix of various things... computing, music, bbq, and other topics.\n\n"
          "* Recent Posts\n"
          (org-list-to-org list)
          "\n-----\n"))

And that's all there is to it. Whenever I create a new post (I'm doing a single org file per post) I can call org-publish-all and my site will get updated. It's not as fast to publish the site as hugo would be, but it's fast enough for me. At some point I will revisit it to sort out a couple more things that are common:


This post is day 11 of my #100DaysToOffload challenge.

If you want to get involved, you can get more info from https://100daystooffload.com.


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