softcode calibre version

roles/calibre/defaults/main.yml

@@ -20,6 +20,9 @@ calibre_sample_book: "Metamorphosis-jackson.epub"
 calibre_src_url: "https://raw.githubusercontent.com/kovidgoyal/calibre/master/setup/linux-installer.py"
 
 calibre_deb_url: http://download.iiab.io/packages/
+#calibre_3.30.0+dfsg-1_all
+#calibre-bin_3.30.0+dfsg-1_armhf
+calibre_deb_version: _3.30.0+dfsg-1
 
 # USE TO TEST debs.yml (RASPBIAN APPROACH!) ON DEBIAN 9.X: (now handled by calibre_via_debs in /opt/iiab/iiab/vars/*)
 #calibre_debs_on_debian: True

roles/calibre/tasks/main.yml

@@ -23,8 +23,8 @@
     backup: no
     timeout: "{{ download_timeout }}"
   with_items:
-    - calibre_3.30.0+dfsg-1_all
-    - calibre-bin_3.30.0+dfsg-1_armhf
+    - calibre{{ calibre_deb_version }}_all
+    - calibre-bin{{ calibre_deb_version }}_armhf
   when: internet_available and is_rpi
 
 - name: Install Calibre 3.30 .debs on RPi