Make super+shift+w bind to firefox if librewolf isn't installed

roles/i3/tasks/main.yml

@@ -48,6 +48,10 @@
     - {repo: 'https://github.com/addy-dclxvi/i3-starterpack.git', dest: '~/.git_clones/i3-starterpack'}
     - {repo: 'https://github.com/vivien/i3blocks-contrib.git', dest: '~/.git_clones/i3blocks-contrib'}
 
+- name: Gather installed packages  # used for i3 config template
+  package_facts:
+    manager: auto
+
 - name: Copy i3 config
   template:
     src: i3config.j2

roles/i3/templates/i3config.j2

@@ -29,8 +29,11 @@ bindsym $super+BackSpace scratchpad show
 bindsym $super+Return exec i3-sensible-terminal
 bindsym Print exec scrot 'Cheese_%Y%m%d_%H:%M.png' -e 'viewnior ~/$f'
 bindsym $alt+l exec i3lock -i ~/.lock
-bindsym $super+Shift+f exec firefox
+{% if 'librewolf' in ansible_facts.packages or 'librewolf-bin' in ansible_facts.packages %}
 bindsym $super+Shift+w exec librewolf
+{% else %}
+bindsym $super+Shift+w exec firefox
+{% endif %}
 bindsym $super+Shift+p exec passmenu
 bindsym $super+Shift+u exec passmenu-user
 bindsym $super+Shift+y exec passmenu-url