Add github publish action

.github/workflows/publish.yml

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+name: "Publish"
+on:
+  pull_request:
+  push:
+    branches: master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04 # change to -latest when possible
+
+    steps:
+    - uses: purcell/setup-emacs@master
+      with:
+        version: 27.1
+
+    - name: Checkout config
+      uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+    - name: Symlink config to expected location
+      # I could just set DOOMDIR ... but this is also easy
+      run: |
+        mkdir -p ~/.config
+        ln -s $GITHUB_WORKSPACE ~/.config/doom
+        mkdir -p ~/.org/roam
+
+    - name: Generate init.el et. al from config.org
+      run: |
+        cd ~/.config/doom
+        emacs --batch --eval "(require 'org)" --eval '(org-babel-tangle-file "config.org")'
+
+    - name: Clone Doom to ~/.emacs.d
+      run: git clone --depth 1 https://github.com/hlissner/doom-emacs ~/.emacs.d
+
+    - name: Get Doom's version
+      id: doom-version
+      run: |
+        cd ~/.emacs.d
+        echo ::set-output name=hash::$(git log -1 | head -1 | awk '{print substr($2,1,7)}')
+      shell: bash
+
+    - name: Cache Doom's install
+      uses: actions/cache@v2
+      with:
+        path: ~/.emacs.d
+        key: ${{ runner.os }}-doom@${{ steps.doom-version.outputs.hash }}
+
+    - name: Doom dependencies
+      run: sudo apt-get install git ripgrep
+
+    - name: Install Doom
+      run: ~/.emacs.d/bin/doom install --no-env --no-fonts
+
+    - name: Export config
+      run: |
+        cd ~/.config/doom/misc
+        ./config-exporter.sh
+        cp ../config.html ../index.html
+
+    - name: Ensure all html files tracked
+      run: |
+        if grep -q '!*.html' ~/.config/doom/.gitignore; then
+          echo "!*.html" >> ~/.config/doom/.gitignore
+        fi
+      
+    - name: Deploy
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+        publish_dir: ./
+        force_orphan: true
+        exclude_assets: '.github,lisp/LaTeX-auto-activating-snippets,lisp/authinfo-color-mode,lisp/lexic,lisp/org-pandoc-import'

misc/config-exporter.sh

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+#!/usr/bin/env sh
+":"; exec emacs --quick --script "$0" -- "$@" # -*- mode: emacs-lisp; lexical-binding: t; -*-
+
+(setq start-time (float-time))
+(message "\033[1;0mBuilding config file export\033[0;90m")
+
+(defun timed-message (orig-fn format-str &rest args)
+  (if (string-match-p "[%\\.1fs]" format-str)
+      (apply orig-fn format-str args)
+    (apply orig-fn
+           (concat "[%.1fs] " format-str)
+           (append (list (- (float-time) start-time))
+                   args))))
+(advice-add 'message :around #'timed-message)
+
+(setq debug-on-error t
+      doom-debug-p t)
+
+(advice-add 'theme-magic-from-emacs :override #'ignore)
+(advice-add 'format-all-buffer :override #'ignore)
+(load (expand-file-name "~/.emacs.d/init.el"))
+
+(setq exit-code 0)
+(defun red-error (orig-fn &rest args)
+  (message "\033[0;31m")
+  (apply orig-fn args)
+  (message "\033[0m")
+  (setq exit-code 1))
+(advice-add 'debug :around #'red-error)
+
+
+(message "\033[0;34m[%.1fs] Opening config file: %s\033[90m"
+         (- (float-time) start-time)
+         (expand-file-name "../config.org"))
+
+(with-current-buffer (find-file (expand-file-name  "../config.org"))
+  (message "\033[0;33m[%.1fs] Exporting %s\033[0m"
+           (- (float-time) start-time)
+           (buffer-file-name))
+  (org-html-export-to-html))
+
+(message "\033[0;33m[%.1fs] Htmlizing %s\033[0m"
+         (- (float-time) start-time)
+         (buffer-file-name))
+(htmlize-file (expand-file-name  "../config.el"))
+
+(message "\033[1;32m[%.1fs] Config export complete!\033[0m"
+         (- (float-time) start-time))
+
+(setq inhibit-message t)
+(kill-emacs exit-code)