Add opengraph header tags

Makefile

@@ -1,14 +1,18 @@
 clean:
 	rm -rf build
-	rm -rf ./orgs/index.org ./orgs/categories/index.org ./orgs/tags/index.org
+	rm -rf ./orgs/index.org ./orgs/categories/ ./orgs/tags/
+	mkdir -p ./orgs/categories/ ./orgs/tags/
 	rm -rf `find . -iname "*~"`
 
 dev-build:
 	./build.el
 
-
 build:
 	LXHOME_PROD=t ./build.el
 
+deploy: clean build
+	rsync -vlcr --delete-after ./build/ lxsameer@core.lxsameer.com:/home/lxsameer/lxsameer.com/home/
+
+
 serve: build
 	npx http-server -p 3003 ./build

build.el

@@ -140,11 +140,6 @@ Not pages."
  (get-all-categories))
 
 
-(defun extra-headers ()
-  "Retun a list of extra header html tags."
-  (concat
-   "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"))
-
 
 (defun category-org-list ()
   "Return a list of links to the categories in org format."
@@ -240,11 +235,11 @@ Not pages."
 (defun main ()
   "The entry point to the build script."
 
-  ;; Setup the emacs theme so htmlize can actually setup
-  ;; the code highlighter
-  (load-theme 'dracula t)
-  (enable-theme 'dracula)
-
+  ;; UTF-8 as default encoding
+  (prefer-coding-system 'utf-8)
+  (set-default-coding-systems 'utf-8)
+  (set-terminal-coding-system 'utf-8)
+  (set-keyboard-coding-system 'utf-8)
 
   (setq project-root (car command-line-args-left))
 
@@ -319,7 +314,6 @@ Not pages."
              :with-toc nil
              :base-url ,base-url
              :html-link-home "/"
-             :html-head-extra ,(extra-headers)
              :html-template ,(from-root "/templates/blog.html")
              :html-page-preamble-template ,(from-root "/templates/page-preamble.html")
              :html-post-preabmle-template ,(from-root "/templates/post-preamble.html")
@@ -347,7 +341,6 @@ Not pages."
              :html-link-home "/"
              :html-head-include-default-style nil
              :html-head-include-scripts nil
-             :html-head-extra ,(extra-headers)
              :makeindex nil)
 
             ("pdfs"

lisp/ox-template.el

@@ -120,6 +120,9 @@ call `org-html-render-tag-template' otherwise will call ORIG-FN."
                  ("head" (plist-get info :html-head-extra))
                  ("base-url" (plist-get info :base-url))
                  ("preamble" (org-html--build-pre/postamble 'preamble info))
+                 ("title" (get-file-global-props (plist-get info :input-file) "TITLE"))
+                 ("description" (or (get-file-global-props (plist-get info :input-file) "DESC")
+                                    ""))
                  ("postamble" (org-html--build-pre/postamble 'postamble info)))))
     (mustache-render (use-html template-name) ctx)))
 
@@ -133,6 +136,7 @@ call `org-html-render-tag-template' otherwise will call ORIG-FN."
 
 
 (defun custom-drawer-format (name content)
+  "Return the drawer format for the given drawer NAME and  CONTENT."
   (format "<section class='%s-drawer'><p>%s</p>%s</section>"
           (downcase name)
           (capitalize name)

orgs/coh.org

@@ -4,6 +4,7 @@
 #+DATE: 2021-02-11
 #+TITLE: Code of Honor
 #+PAGE: true
+#+DESC: A man is nothing without his honor
 
 I always try to live by my code of honor. A man is nothing without his honor. “A sin is to betray your beliefs”.
 

orgs/essays/choosing-the-target-platform.org

@@ -3,6 +3,7 @@
 #+CATEGORY: Engineering
 #+DATE: 2019-12-07
 #+TITLE: Choosing the target platform
+#+DESC: What platform is suitable for Serene ?
 
 After wrapping my head around the [[file:rational-and-a-name.org][rational]] of [[file:my-new-programming-language.org][My new programming language]], I have
 a big decision to make. Choose a platform.

orgs/essays/rational-and-a-name.org

@@ -3,6 +3,7 @@
 #+CATEGORY: Engineering
 #+DATE: 2019-12-01
 #+TITLE: Rational and a name
+#+DESC: The rational behind Serene
 
 *This post is a draft and I'll finish it gradually*
 

orgs/essays/serene-simple-version.org

@@ -3,6 +3,7 @@
 #+CATEGORY: Engineering
 #+DATE: 2020-01-03
 #+TITLE: Serene (simple versoin)
+#+DESC: Overview of the simple version of Serene
 
 As you might already know I'm working on [[file:my-new-programming-language.org][my own programming language]]
 for a while now. I'm still on early stages and working on [[file:choosing-the-target-platform.org][choosing the right platform]]

orgs/index.org

@@ -4,6 +4,7 @@
 #+DATE: 2021-02-11
 #+TITLE: The little nest of mine
 #+PAGE: true
+#+DESC: All about lxsameer's experience in science and engineering
 
 Welcome to my little piece of the world. I'm a software engineer by day and an armature scientist by night
 who lives by his [[./coh.org][Code of Honor]]. I write about my thoughts and researches. The views expressed here are my
@@ -16,8 +17,8 @@ with me via email (check my [[./gpg.org][GPG]] info page). If you have a questio
 in the [[./faq.org][FAQs]] page.
 
 * Recent updates:
-    - [[http://localhost:3003/essays/serene-simple-version.html][Serene (simple versoin)]]
-    - [[http://localhost:3003/essays/choosing-the-target-platform.html][Choosing the target platform]]
-    - [[http://localhost:3003/essays/rational-and-a-name.html][Rational and a name]]
-    - [[http://localhost:3003/essays/my-new-programming-language.html][My new programming language]]
-    - [[http://localhost:3003/essays/transaction-variants.html][Transaction Variants]]
+    - [[https://lxsameer.com/essays/serene-simple-version.html][Serene (simple versoin)]]
+    - [[https://lxsameer.com/essays/choosing-the-target-platform.html][Choosing the target platform]]
+    - [[https://lxsameer.com/essays/rational-and-a-name.html][Rational and a name]]
+    - [[https://lxsameer.com/essays/my-new-programming-language.html][My new programming language]]
+    - [[https://lxsameer.com/essays/transaction-variants.html][Transaction Variants]]

orgs/sitemap.inc

@@ -1,6 +1,5 @@
 #+TITLE: lxsameer's nest
 
-- [[file:thoughts.org][Inner world]]
 - [[file:essays/serene-simple-version.org][Serene (simple versoin)]]
 - [[file:essays/choosing-the-target-platform.org][Choosing the target platform]]
 - [[file:essays/rational-and-a-name.org][Rational and a name]]
@@ -13,11 +12,6 @@
 - [[file:faq.org][FAQ]]
 - [[file:gpg.org][Code of Honor]]
 - [[file:coh.org][Code of Honor]]
-- [[file:categories/nil.org][<<<title>>>]]
-- [[file:categories/SLA.org][SLA]]
-- [[file:tags/ASDK.org][ASDK]]
-- [[file:tags/BD.org][BD]]
-- [[file:tags/ABD.org][ABD]]
 - [[file:tags/index.org][index]]
 - [[file:categories/index.org][index]]
 - [[file:index.org][blah]]

templates/blog.html

@@ -1,6 +1,15 @@
 <!doctype html>
 <html lang="en">
   <head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{{title}}</title>
+    <meta name="description" content="lxsameer's nest">
+    <meta name="keywords" content="software engineering, physics, computer science, lisp, compilers">
+    <meta name="author" content="Sameer Rahmani">
+    <meta property="og:title" content="{{title}}" />
+    <meta property="og:description" content="{{description}}" />
+
     {{{head}}}
     <link rel="stylesheet" href="{{base-url}}/assets/styles/dark.css?1">
     <link rel="stylesheet" href="{{base-url}}/assets/styles/main.css?1">

templates/index.org

@@ -4,6 +4,7 @@
 #+DATE: 2021-02-11
 #+TITLE: The little nest of mine
 #+PAGE: true
+#+DESC: All about lxsameer's experience in science and engineering
 
 Welcome to my little piece of the world. I'm a software engineer by day and an armature scientist by night
 who lives by his [[./coh.org][Code of Honor]]. I write about my thoughts and researches. The views expressed here are my