roles/blog: run updateBlog; now idempotent!

roles/blog/tasks/main.yml

@@ -4,18 +4,18 @@
     repo: "https://github.com/CPunch/openpunk.git"
     dest: "/var/www/{{ domain }}"
 
-# TODO: make idempotent (call the updateBlog script !!)
-- name: Build blog
-  command:
-    cmd: hugo
-    chdir: "/var/www/{{ domain }}"
-
 - name: Install updateBlog script
   template:
     src: templates/updateBlog
     dest: /usr/local/bin/updateBlog
     mode: u+rx
 
+- name: Build blog
+  command:
+    cmd: updateBlog
+  register: blog_out
+  changed_when: blog_out.stdout != "up to date"
+
 # Rebuild blog every hour
 - name: Setup blog cron job
   cron:

roles/blog/templates/updateBlog

@@ -15,16 +15,14 @@ LOCAL=$(git rev-parse @)
 REMOTE=$(git rev-parse "$UPSTREAM")
 BASE=$(git merge-base @ "$UPSTREAM")
 if [ $LOCAL = $REMOTE ]; then
-    echo "blog is up to date!"
+    echo "up to date"
 elif [ $LOCAL = $BASE ]; then
     # there are changes to reset too
     # && we need to update our blog
     echo "missing changes!!"
     git reset --hard origin/main
     buildBlog
-fi
-
-if [ ! -d "$PUBLIC_DIR" ] || [ ! -d "$TOR_DIR" ]; then
+elif [ ! -d "$PUBLIC_DIR" ] || [ ! -d "$TOR_DIR" ]; then
     echo "missing directories..."
     buildBlog
 fi