feat(macos): basic package and group handling

There is no 'root' group and no `user` and `group` grains either.
And the `/etc/template` directory needs to be created by state.

template/config/file.sls

@@ -20,6 +20,7 @@ template-config-file-file-managed:
     - mode: 644
     - user: root
     - group: {{ template.rootgroup }}
+    - makedirs: True
     - template: jinja
     - require:
       - sls: {{ sls_package_install }}

template/osfamilymap.yaml

@@ -10,6 +10,10 @@
 # you will need to provide at least an empty dict in this file, e.g.
 # osfamilymap: {}
 ---
+{%- if grains.os == 'MacOS' %}
+  {% set rootgroup = salt['cmd.run']("stat -f '%Sg' /dev/console") %}
+{%- endif %}
+
 Debian:
   pkg: template-debian
   config: /etc/template.d/custom.conf
@@ -40,4 +44,5 @@ Solaris: {}
 
 Windows: {}
 
-MacOS: {}
+MacOS:
+  rootgroup: {{ rootgroup | d('') }}