Fixed Paru installation role

setup-script/roles/paru/tasks/main.yml

@@ -1,21 +1,17 @@
 - name: Check if paru is already installed
-  ansible.builtin.pacman:
-    name: paru
-    state: present
-  check_mode: true
+  ansible.builtin.command:
+    argv:
+     - pacman
+     - -Qq
+     - paru
   register: is_paru_installed
+  changed_when: false
+  failed_when: false
 
 - name: Stop the role if paru is already installed
-  when: not is_paru_installed.changed
+  when: is_paru_installed.rc == 0
   ansible.builtin.meta: end_role
 
-- name: Ensure build prerequisites are present
-  become: true
-  ansible.builtin.pacman:
-    name:
-      - base-devel
-      - fakeroot
-
 - name: Create temporary dir for build
   ansible.builtin.tempfile:
     state: directory
@@ -33,9 +29,29 @@
     dest: "{{ paru_tmp.path }}"
     remote_src: true
 
+- name: Read the package metadata
+  ansible.builtin.slurp:
+    src: "{{ paru_tmp.path }}/paru/.SRCINFO"
+  register: paru_srcinfo
+
+- name: Extract build and runtime dependencies
+  ansible.builtin.set_fact:
+    paru_build_deps: >-
+      {{ (paru_srcinfo.content | b64decode)
+         | regex_findall('(?m)^\s*(?:make|check)?depends(?:_\w+)?\s*=\s*([^\s<>=]+)')
+         | unique }}
+
+- name: Ensure build prerequisites are present
+  become: true
+  ansible.builtin.pacman:
+    name: "{{ ['base-devel', 'fakeroot'] + paru_build_deps }}"
+    state: present
+
 - name: Build the package (no install)
   ansible.builtin.command:
-    cmd: makepkg --syncdeps --noconfirm
+    argv:
+      - makepkg
+      - --noconfirm
     chdir: "{{ paru_tmp.path }}/paru"
   environment:
     PKGDEST: "{{ paru_tmp.path }}/paru"
@@ -44,6 +60,7 @@
   ansible.builtin.find:
     paths: "{{ paru_tmp.path }}/paru"
     patterns: "*.pkg.tar.zst"
+    excludes: "*-debug-*"
     file_type: file
   register: built_pkgs
 
@@ -51,7 +68,11 @@
 - name: Install built package(s)
   become: true
   ansible.builtin.command:
-    cmd: "pacman -U --noconfirm {{ item.path }}"
+    argv:
+      - pacman
+      - -U
+      - --noconfirm
+      - "{{ item.path }}"
     creates: /usr/bin/paru
   loop: "{{ built_pkgs.files }}"