Publish script: avoid need to purge gh image cache

By using a raw.githubusercontent.com url, github no longer uses the camo
cache, and so I can avoid bothering with cache clearing.

.github/workflows/publish.yml

@@ -64,7 +64,3 @@ jobs:
           deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
           publish_dir: ./publish
           force_orphan: true
-
-      - name: Clear cached images
-        if: ${{ github.event_name != 'pull_request'}}
-        run: ~/.config/doom/misc/config-publishing/clear-github-cached-images.sh

README.org

@@ -5,7 +5,7 @@
 
 [[https://img.shields.io/badge/Emacs-27.1-blueviolet.svg?style=flat-square&logo=GNU%20Emacs&logoColor=white]]
 [[https://img.shields.io/github/workflow/status/tecosaur/emacs-config/Publish/master.svg?style=flat-square]]
-[[https://tecosaur.github.io/emacs-config/misc/pkg-status.svg]]
+[[https://raw.githubusercontent.com/tecosaur/emacs-config/gh-pages/misc/pkg-status.svg]]
 
 :end:
 

misc/config-publishing/clear-github-cached-images.sh

@@ -1,23 +0,0 @@
-#!/usr/bin/env sh
-":"; exec emacs --quick --script "$0" -- "$@" # -*- mode: emacs-lisp; lexical-binding: t; -*-
-
-(setq log-file (format "%s-log.txt" (file-name-base load-file-name)))
-
-(load (expand-file-name "initialise.el" (file-name-directory load-file-name)) nil t)
-(initialise)
-
-(let (relevant-lines)
-  (with-current-buffer (url-retrieve-synchronously "https://github.com/tecosaur/emacs-config/blob/master/README.org")
-    (while (search-forward "data-canonical-src=\"https://tecosaur.github.io/emacs-config/" nil t)
-      (push (thing-at-point 'line) relevant-lines)))
-  (dolist (line relevant-lines)
-    (when-let ((cached-img (when (string-match "href=\"\\([^\"]+\\)\"" line)
-                             (match-string 1 line))))
-      (let ((url-request-method "PURGE"))
-        (message "[36] Asking github to purge %s" cached-img)
-        (with-current-buffer
-            (url-retrieve-synchronously cached-img)
-          (message "%s" (buffer-string)))))))
-
-(setq inhibit-message t)
-(kill-emacs exit-code)