Fix syntax error and remove repository from sources after successful …

…install

provisioning/ansible/roles/external_mail_handler/tasks/main.yml

@@ -4,11 +4,10 @@
 # Additionally, creates a logrotate config file for logs
 #
 
-- name: Add Kali Linux archive repository
-  apt_repository:
-    repo: "deb http://old.kali.org/kali 2024.4 main contrib non-free"
-    state: present
-    trusted: yes  # Bypass signature verification
+- name: Add Kali Linux archive repository manually
+  copy:
+    dest: /etc/apt/sources.list.d/kali-archive.list
+    content: "deb [trusted=yes] http://old.kali.org/kali 2024.4 main contrib non-free"
 
 - name: Update apt cache ignoring signature verification
   shell: apt-get update -o Acquire::AllowInsecureRepositories=true -o Acquire::AllowDowngradeToInsecureRepositories=true
@@ -27,6 +26,16 @@
     state: present
     allow_downgrade: yes
 
+- name: Remove Kali Linux archive repository after installing required packages
+  apt_repository:
+    repo: "deb http://old.kali.org/kali 2024.4 main contrib non-free"
+    state: absent
+
+- name: Update apt cache after removing repository
+  shell: apt-get update
+  args:
+    warn: false
+
 - name: "Create script directory {{ script_dir }}"
   file:
     path: "{{ script_dir }}"