fix darwin packages

tasks/addpkg.yml

@@ -1,23 +1,22 @@
 ---
-- name: check if task for "{{pkg}}" exists
+- name: "check if task for {{ansible_os_family}}/{{pkg}} exists"
   ansible.builtin.command: "test -f {{role_path}}/tasks/pkgs/{{ ansible_os_family }}/{{ pkg }}.yml"
   register: cpkg_exists
   ignore_errors: true
-  failed_when: cpkg_exists.rc == 127
+  failed_when: not (cpkg_exists.rc != 0 or cpkg_exists.rc != 1)
 
-- debug:
-    var: cpkg_exists
-
-- name: add include task for "{{pkg}}"
+- name: "add include task for {{ansible_os_family}}/{{pkg}}"
   ansible.builtin.include_tasks:
     file: "pkgs/{{ ansible_os_family }}/{{ pkg }}.yml"
   when: cpkg_exists.rc == 0
   tags:
     - packages
 
-- name: add "{{pkg}}" to syspkgs
+- name: "add {{pkg}} to syspkgs if task doesn't exist: {{assume_missing_is_syspkg}}"
   ansible.builtin.set_fact:
     syspkgs: "{{ syspkgs + [pkg] }}"
-  when: cpkg_exists.rc == 1
+  when:
+    - cpkg_exists.rc == 1
+    - assume_missing_is_syspkg
   tags:
     - packages