Issue #1760: Now fix the hostname stuff.

Author: geerlingguy

provisioning/roles/drupalvm.hostname/tasks/main.yml

@@ -5,7 +5,7 @@
     dest: /etc/mailname
   when:
     - ansible_os_family == 'Debian'
-    - hostname_fqdn
+    - hostname_fqdn != ''
 
 - name: Add hostname to /etc/hosts.
   lineinfile:
@@ -14,19 +14,19 @@
     line: "127.0.0.1\t{{ hostname_fqdn }}\t{{ hostname_short }}"
     state: present
     unsafe_writes: "{{ hostname_unsafe_writes }}"
-  when: hostname_fqdn
+  when: hostname_fqdn != ''
 
 - name: Configure hostname.
   copy:
     content: "{{ (ansible_os_family == 'Debian') | ternary(hostname_short, hostname_fqdn) }}\n"
     dest: /etc/hostname
     unsafe_writes: "{{ hostname_unsafe_writes }}"
   register: set_hostname
-  when: hostname_fqdn
+  when: hostname_fqdn != ''
 
 - name: Set the hostname for current session.
   command: hostname --file /etc/hostname
   when:
     - set_hostname is changed
-    - hostname_fqdn
+    - hostname_fqdn != ''
   tags: ['skip_ansible_lint']