motd: set motd to be displayed once

roles/bootstrap/tasks/set-motd.yml

@@ -3,7 +3,10 @@
     content: |
       #!/bin/bash
       # Managed by Ansible - Do not edit manually
-      fastfetch -s os:kernel:uptime:packages:shell:disk:cpu:memory:localip:colors
+      if [[ -z "${FASTFETCH_MOTD_SHOWN:-}" && -z "${SUDO_USER:-}" ]]; then
+        fastfetch -s os:kernel:uptime:packages:shell:disk:cpu:memory:localip:colors
+        export FASTFETCH_MOTD_SHOWN=1
+      fi
     dest: /etc/profile.d/motd.sh
     owner: root
     group: root