reorganizing configuration

- static package configuration in `vars/pkgs`
  - loaded into the variable `pkgconfig` as part of `tasks/main.yml`

tasks/main.yml

@@ -2,8 +2,24 @@
 ---
 # create all the facts used throughout the role, but shouldn't be touched
 # by the user
+- name: Set facts based on use_local == true
+  when:
+    - use_local
+  ansible.builtin.set_fact:
+    paths: "{{ local_paths }}"
+    flatpak_method: user
+
+- name: Set facts based on use_local == false
+  when:
+    - not use_local
+  ansible.builtin.set_fact:
+    paths: "{{ sys_paths }}"
+    flatpak_method: system
+
 - name: Set installation facts
   ansible.builtin.set_fact:
+    bin_dir: "{{ paths.install }}/bin"
+    state_dir: "{{ paths.install }}/state"
     app_images: [] # app_images to install
     cargo_pkgs: [] # rust packages from cargo
     cask_pkgs: [] # homebrew casks
@@ -19,39 +35,42 @@
       - name: flathub
         url: https://dl.flathub.org/repo/flathub.flatpakrepo
 
-- name: Set facts based on use_local == true
-  when:
-    - use_local
-  ansible.builtin.set_fact:
-    paths: "{{ local_paths }}"
-    flatpak_method: user
-
-- name: Set facts based on use_local == false
-  when:
-    - not use_local
-  ansible.builtin.set_fact:
-    paths: "{{ sys_paths }}"
-    flatpak_method: system
-
 - name: Set macOS specific facts
   when:
-    - ansible_distribution == 'MacOSX'
-  ansible.builtin.set_fact:
-    pipx_exec: /opt/homebrew/bin/pipx
-
-
-- name: Determine OS and set facts for it
+    - ansible_system == 'Darwin'
   block:
-    - name: Set macOS facts
-      when: ansible_os_family == 'Darwin'
+    - name: Set pipx executable
+      ansible.builtin.set_fact:
+        pipx_exec: /opt/homebrew/bin/pipx
+    - name: Set sys_pkg_become to false for homebrew
       ansible.builtin.set_fact:
         sys_pkg_become: false
 
+- name: Set Linux specific facts
+  when:
+    - ansible_system == 'Linux'
+  block:
     - name: Set Linux facts
-      when: ansible_system == 'Linux'
       ansible.builtin.set_fact:
         sys_pkg_become: true
 
+- name: Ensure required paths exist
+  become: "{{ not use_local }}"
+  loop: "{{ paths + [bin_dir, state_dir] }}"
+  loop_control:
+    loop_var: path
+  ansible.builtin.file:
+    state: directory
+    mode: '0755'
+    path: "{{ path }}"
+
+- name: Read default package configuration
+  ansible.builtin.include_vars:
+    dir: pkgs
+    extensions:
+      - yml
+    name: pkgconfig
+
 - name: Generate package installation lists
   ansible.builtin.include_tasks:
     file: addpkg.yml
@@ -155,10 +174,10 @@
         name: "{{ flatpak.name }}"
         remote: "{{ flatpak.remote | default('flathub') }}"
 
-- name: Ensure /usr/local/bin exists
+- name: Ensure prefix/bin exists
   ansible.builtin.file:
     state: directory
-    path: /usr/local/bin
+    path: "{{ paths.install }}/bin"
     owner: root
     mode: '0755'
   become: true