fix variable references

tasks/build/zig.yml

@@ -4,34 +4,45 @@
     zig_path: "zig-{{ pkgconfig_zig.sysmap[ansible_system] }}-{{ pkgconfig_zig.archmap[ansible_architecture] }}-{{ pkgconfig_zig.version }}"
     zig_pkg: "zig-{{ pkgconfig_zig.sysmap[ansible_system] }}-{{ pkgconfig_zig.archmap[ansible_architecture] }}-{{ pkgconfig_zig.version }}.tar.xz"
 
-- name: create temp path
-  ansible.builtin.tempfile:
-    state: directory
-    prefix: zig_dl.
-  register: d_zig_dl_tmp
+- name: check if zig {{ pkgconfig_zig.version }} exists
+  ansible.builtin.stat:
+    path: "{{ pkgconfig_zig.install_path }}/{{ zig_path }}/zig"
+  register: r_zig_stat
 
-- name: download zig archive
-  ansible.builtin.get_url:
-    dest: "{{ d_zig_dl_tmp.path }}/{{ zig_pkg }}"
-    url: "{{ pkgconfig_zig.base_url }}/{{ pkgconfig_zig.version }}/{{ zig_pkg }}"
-    decompress: false
+- debug:
+    var: r_zig_stat
 
-- name: create install_path
-  ansible.builtin.file:
-    state: directory
-    path: "{{ pkgconfig_zig.install_path }}"
-  become: true
-
-- name: extract zig package
-  ansible.builtin.unarchive:
-    dest: "{{ pkgconfig_zig.install_path }}"
-    src: "{{ d_zig_dl_tmp.path }}/{{ zig_pkg }}"
-    remote_src: true
-  become: true
-
-- name: link zig binary
-  ansible.builtin.file:
-    state: link
-    src: "{{ pkgconfig_zig.install_path }}/{{ zig_path }}/zig"
-    path: "{{ pkgconfig_zig.install_prefix }}/bin/zig"
-  become: true
+- name: update/install zig
+  block:
+    - name: create temp path
+      ansible.builtin.tempfile:
+        state: directory
+        prefix: zig_dl.
+      register: d_zig_dl_tmp
+    
+    - name: download zig archive
+      ansible.builtin.get_url:
+        dest: "{{ d_zig_dl_tmp.path }}/{{ zig_pkg }}"
+        url: "{{ pkgconfig_zig.base_url }}/{{ pkgconfig_zig.version }}/{{ zig_pkg }}"
+        decompress: false
+    
+    - name: create install_path
+      ansible.builtin.file:
+        state: directory
+        path: "{{ pkgconfig_zig.install_path }}"
+      become: true
+    
+    - name: extract zig package
+      ansible.builtin.unarchive:
+        dest: "{{ pkgconfig_zig.install_path }}"
+        src: "{{ d_zig_dl_tmp.path }}/{{ zig_pkg }}"
+        remote_src: true
+      become: true
+    
+    - name: link zig binary
+      ansible.builtin.file:
+        state: link
+        src: "{{ pkgconfig_zig.install_path }}/{{ zig_path }}/zig"
+        path: "{{ pkgconfig_zig.install_prefix }}/bin/zig"
+      become: true
+  when: not r_zig_stat.stat.exists