Add new variable "nextcloud_remove_unknown_apps" to uninstall all non…

…-listed

defaults/main.yml

@@ -72,6 +72,10 @@ nextcloud_urls:
 # You would normally need only one. If you specify more than one, the first one
 # will be as the "main" one, for pretty urls, etc.
 
+nextcloud_remove_unknown_apps: false
+# Setting to choose whether to remove or keep external apps which have not been
+# installed through this role, but manually or via the Nextcloud admin interface
+
 nextcloud_apps: []
 # Nextcloud apps to be installed, removed, enabled or disabled
 # It is a list of hashes. Eg
@@ -90,7 +94,9 @@ nextcloud_apps: []
 #   disabled
 #
 # Installation and removal is only supported for external apps, apps shipped
-# with Nextcloud can only be enabled or disabled.
+# with Nextcloud can only be enabled or disabled. By default, only apps with
+# the explicit state `absent` are removed, to remove all apps missing from the
+# list, set `nextcloud_remove_unknown_apps: true`.
 # Currently, always the latest version available from the App Store is
 # installed.
 

tasks/core/apps.yml

@@ -38,8 +38,14 @@
         ]
       }}
 
+- name: Set default package state
+  set_fact:
+    _default_state: >-
+      {% if nextcloud_remove_unknown_apps == true %}absent{%
+      else %}enabled{% endif %}
+
 # Remove all apps from the list of external apps which
-# - is not in the configured list of apps
+# - is not in the configured list of apps (if nextcloud_remove_unknown_apps is true)
 # - is in the configured list of apps but have their state set to "absent"
 - name: Remove external apps
   command: php occ app:remove "{{ item }}"
@@ -54,7 +60,7 @@
   changed_when: result is not failed
   when: >-
     ((nextcloud_apps | selectattr('name', 'search', item) | list | first
-    | default({'state':'absent'})).state | default('enabled')) == 'absent'
+    | default({'state':_default_state})).state | default('enabled')) == 'absent'
 
 # Install all apps from the configured list which
 # - are external apps (not in the shipped apps list) and