documenting archive, adding zig helper

tasks/helpers/archive.yml

@@ -1,4 +1,11 @@
 # vim: set filetype=yaml.ansible :
+#
+## Helpers: archive.yml
+## Description: extract and symlink archives
+## Variables: dict of key:value pairs
+##   extract_to: path to extract archive to
+##   name: filename of the archive
+##   url: download url of the archive
 ---
 - name: Ensure requirements met
   when:

tasks/helpers/zig.yml

@@ -0,0 +1,27 @@
+# vim : set filetype=yaml.ansible :
+#
+## Helper: zig.yml
+## Description: build and install zig based packages
+## Variables: dict of key:value pairs
+##   source_path: Destination path when cloning/extracting
+##   git: passed into helpers/git.yml if present. See that for required dict keys
+##   archive: passed into helpers/archive.yml to extract if present. See that for required dict keys
+##   prefix: install prefix
+##   flags: flags to pass to zig build
+---
+- name: Clone git repository if it exists
+  when:
+    - pkg.git is defined
+  vars:
+    path: "{{ pkg.source_path }}"
+    repo: "{{ pkg.git.repo }}"
+    depth: "{{ pkg.git.depth | default(omit) }}"
+    force: "{{ pkg.git.force | default(omit) }}"
+    recursive: "{{ pkg.git.recursive | default(omit) }}"
+    version: "{{ pkg.version | default(omit) }}"
+  ansible.builtin.include_tasks: helpers/git.yml
+
+- name: Download and extract source archive
+  when:
+    - pkg.archive is defined
+  ansible.bulitin.include_tasks: helpers/archive.yml