Include all URLs for a page when purging the cache

.gitlab-ci.yml

@@ -80,10 +80,30 @@ create-purge-json:
   tags:
     - docker
   script:
-    - >-
-      echo -en "{\n  \"files\": [\n    \"$CI_PAGES_URL/\"" > purge.json;
-      for d in $(find public/* -type d); do echo -en ",\n    \"$CI_PAGES_URL/${d#public/}/\"" >> purge.json; done;
-      for f in $(find public -type f); do echo -en ",\n    \"$CI_PAGES_URL/${f#public/}\"" >> purge.json; done;
+    - |-
+      echo -en "{\n  \"files\": [" > purge.json
+      # Add the index-less homepage, with and without trailing slash
+      echo -en "\n    \"$CI_PAGES_URL\"" >> purge.json
+      echo -en ",\n    \"$CI_PAGES_URL/\"" >> purge.json
+      # Add all the directories, with and without trailing slash
+      for d in $(find public/* -type d); do
+        echo -en ",\n    \"$CI_PAGES_URL/${d#public/}\"" >> purge.json
+        echo -en ",\n    \"$CI_PAGES_URL/${d#public/}/\"" >> purge.json
+      done
+      # Add all the non-HTML files, with and without trailing slash
+      for f in $(find public -type f -not -iname '*.html'); do
+        echo -en ",\n    \"$CI_PAGES_URL/${f#public/}\"" >> purge.json
+        echo -en ",\n    \"$CI_PAGES_URL/${f#public/}/\"" >> purge.json
+      done
+      # Add all the HTML files, with and without trailing slash. First with file
+      # extension, then without
+      for f in $(find public -type f -iname '*.html'); do
+        echo -en ",\n    \"$CI_PAGES_URL/${f#public/}\"" >> purge.json
+        echo -en ",\n    \"$CI_PAGES_URL/${f#public/}/\"" >> purge.json
+        f="${f%.html}"
+        echo -en ",\n    \"$CI_PAGES_URL/${f#public/}\"" >> purge.json
+        echo -en ",\n    \"$CI_PAGES_URL/${f#public/}/\"" >> purge.json
+      done
       echo -e "\n  ]\n}" >> purge.json
     - cat purge.json
   artifacts: