only install the packages when they are missing

tasks/main.yml

@@ -4,14 +4,29 @@
     name: "{{ packages }}"
     update_cache: yes
 
+- name: check packages
+  package_facts:
+    manager: auto
+
+- name: "Check if KeeWeb is installed"
+  package:
+    name: "keeweb-desktop={{ keeweb_version }}-*"
+    state: present
+  ignore_errors: true
+  register: keeweb_check
+  when: "'keeweb-desktop' in ansible_facts.packages"
+
 - name: "Download Keeweb"
   get_url:
     url: "{{ keeweb_url }}"
     dest: /tmp/keeweb.deb
+  when: keeweb_check is skipped
+  register: keeweb_download
 
 - name: "Install keeweb"
   apt:
     deb: /tmp/keeweb.deb
+  when: keeweb_download is changed
 
 - name: "Add Nextcloud repository"
   apt_repository:
@@ -22,21 +37,17 @@
     name: "nextcloud-desktop"
     state: present
 
-- name: "Check if VSCode is installed"
-  apt:
-    name: code
-    state: present
-  register: vscode_state
-
 - name: "Download VSCode"
   get_url:
     url: "{{ vscode_url }}"
     dest: /tmp/vscode.deb
-  when: vscode_state | bool
+  register: vscode_download
+  when: "'code' not in ansible_facts.packages"
 
 - name: "Install Visual Studio Code"
   apt:
     deb: /tmp/vscode.deb
+  when: vscode_download is changed
 
 - name: "Copy the MPV config"
   copy: