Parameterize superuser/group names

defaults/main.yml

@@ -42,3 +42,9 @@ rvm1_gpg_key_server: 'hkp://keys.gnupg.net'
 
 # autolib mode, see https://rvm.io/rvm/autolibs
 rvm1_autolib_mode: 3
+
+# Name of UID 0 user
+root_user: 'root'
+
+# Name of GID 0 group -- BSD systems typically use wheel
+root_group: 'root'

tasks/rubies.yml

@@ -56,8 +56,8 @@
     state: 'link'
     src: '{{ rvm1_install_path }}/wrappers/default/{{ item }}'
     dest: '{{ rvm1_symlink_to }}/{{ item }}'
-    owner: 'root'
-    group: 'root'
+    owner: '{{ root_user }}'
+    group: '{{ root_group }}'
   when: not '--user-install' in rvm1_install_flags
   with_items: '{{ rvm1_symlink_binaries }}'