more package fixes

tasks/pkgs/mcfly.yml

@@ -1,19 +1,13 @@
 # vim: set filetype=yaml.ansible :
 ---
-- name: append to syspkgs
-  ansible.builtin.set_fact:
-    syspkgs: "{{ syspkgs + [ 'mcfly' ] }}"
+- name: Append to pkg_sys
   when:
     - ansible_os_family == 'Darwin'
+  ansible.builtin.set_fact:
+    pkg_sys: "{{ pkg_sys + ['mcfly'] }}"
 
-- name: linux specific install
-  block:
-    - ansible.builtin.include_tasks:
-        file: "pkgs/rust.yml"
-      when: pkgconfig_rust is undefined
-
-    - name: add to cargopkgs
-      ansible.builtin.set_fact:
-        cargopkgs: "{{ cargopkgs + [ 'mcfly' ] }}"
+- name: Add to pkg_cargo
   when:
-    - ansible_os_family != 'Darwin'
+    - ansible_system == 'Linux'
+  ansible.builtin.set_fact:
+    pkg_cargo: "{{ pkg_cargo + ['mcfly'] }}"