don't overwrite existing dnf.conf

Author: bertiethorpe

ansible/bootstrap.yml

@@ -4,15 +4,13 @@
   become: yes
   tasks:
     - name: Ensure releasever is pinned to 9.4 for RL9
+      lineinfile:
+        path: /etc/dnf/dnf.conf
+        regexp: '^releasever='
+        line: 'releasever=9.4'
+        insertafter: '^\[main\]'
+        create: yes
       when: ansible_distribution_major_version == "9"
-      copy:
-        content: |
-          [main]
-          releasever=9.4
-        dest: /etc/dnf/dnf.conf
-        owner: root
-        group: root
-        mode: '0644'
 
 - hosts: cluster
   gather_facts: false