fix formatting, complete clangd system install

tasks/pkgs/clangd.yml

@@ -1,9 +1,38 @@
 # vim: set filetype=yaml.ansible :
+#
+## Package: clangd
+## Description: a c/c++ language server for the clang llvm compiler
+## Version: system
+## Methods: system
+## Helpers: -
 ---
-- name: Load clangd config
-  ansible.builtin.include_tasks:
-    file: config/clangd.yml
-
-- name: Append clangd to pkg_sys
+- name: Set clangd default facts
   ansible.builtin.set_fact:
-    pkg_sys: "{{ pkg_sys + clangd.pkgs }}"
+    clangd:
+      install_methods:
+        - system
+      pkgname:
+        RedHat: clang-devel
+        Debian: clang-12
+        Darwin: llvm
+        Alpine: clang19
+
+- name: Configure clangd
+  when:
+    - "'clangd' not in __configured"
+  block:
+    - name: Set clangd install method
+      when:
+        - clangd_install_method is undefined
+      ansible.builtin.set_fact:
+        clangd_install_method: "{{ install_method if install_method in clangd.install_methods else clangd.install_methods[0] }}"
+
+    - name: Queue clangd system install
+      when:
+        - clangd_install_methods == 'system'
+      ansible.builtin.set_fact:
+        pkg_sys: "{{ pkg_sys + clangd[os_family] }}"
+
+    - name: Finalise clangd configuration
+      ansible.builtin.set_fact:
+        __configured: "{{ __configured | combine( { 'clangd': clangd_install_method } ) }}"