Specify changed_when for shell commands

roles/partitioning/tasks/btrfs.yml

@@ -17,10 +17,14 @@
 
     - name: Enable quotas on Btrfs filesystem
       ansible.builtin.command: btrfs quota enable /mnt
+      changed_when: result.rc == 0
+      register: result
 
     - name: Make root subvolumes
       when: cis | bool or item.subvol not in ['var_log', 'var_log_audit']
       ansible.builtin.command: btrfs su cr /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
+      changed_when: result.rc == 0
+      register: result
       loop:
         - { subvol: root }
         - { subvol: home }
@@ -31,6 +35,8 @@
     - name: Set quotas for subvolumes
       when: cis | bool or item.subvol not in ['var_log', 'var_log_audit']
       ansible.builtin.command: btrfs qgroup limit {{ item.quota }} /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
+      changed_when: result.rc == 0
+      register: result
       loop:
         - { subvol: home, quota: 2G }
 

roles/partitioning/tasks/ext4.yml

@@ -15,6 +15,8 @@
 - name: Remove Unsupported features for older Systems
   when: (os | lower in ['almalinux', 'debian11', 'rhel8', 'rhel9', 'rocky', 'ubuntu-lts']) and (cis | bool or item.lv not in ['var_log', 'var_log_audit'])
   ansible.builtin.command: tune2fs -O "^orphan_file,^metadata_csum_seed" "/dev/sys/{{ item.lv }}"
+  changed_when: result.rc == 0
+  register: result
   loop:
     - { lv: root }
     - { lv: home }

roles/partitioning/tasks/main.yml

@@ -4,6 +4,8 @@
     - name: Prepare partitions
       failed_when: false
       ansible.builtin.command: "{{ item.cmd }}"
+      changed_when: result.rc == 0
+      register: result
       loop:
         - { cmd: umount -l /mnt }
         - { cmd: vgremove -f sys }