feat(role): Initial commit

tasks/archlinux-zfs-pacman-cache.yml

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: MIT
+- name: 'Check if ZFS functional'
+  register: 'genvm_archlinux_zfs_pacman_cache_os_has_functional_zfs'
+  changed_when: false
+  failed_when: false
+  ansible.builtin.shell: |
+    zpool list
+
+- name: 'If ZFS functional check if pacman cache dataset exists'
+  when: 'genvm_archlinux_zfs_pacman_cache_os_has_functional_zfs.rc == 0'
+  register: 'genvm_archlinux_zfs_pacman_cache_zfs_has_pacman_cache_dataset'
+  changed_when: false
+  failed_when: false
+  ansible.builtin.shell: |
+    zfs list zpool/data/var/cache/pacman/pkg
+    
+- name: 'If no pacman cache dataset exists create dataset'
+  when: 'genvm_archlinux_zfs_pacman_cache_zfs_has_pacman_cache_dataset.rc > 0'
+  register: 'genvm_archlinux_zfs_pacman_cache_pacman_cache_dir_was_temp_moved'
+  changed_when: 'genvm_archlinux_zfs_pacman_cache_pacman_cache_dir_was_temp_moved.rc == 0'
+  ansible.builtin.shell: |
+    mv '/var/cache/pacman/pkg'{,'.bak'} && \
+    if ! zfs list zpool/data/var &>/dev/null; then zfs create -o canmount=off zpool/data/var; fi && \
+    if ! zfs list zpool/data/var/cache &>/dev/null; then zfs create -o canmount=off zpool/data/var/cache; fi && \
+    if ! zfs list zpool/data/var/cache/pacman &>/dev/null; then zfs create -o canmount=off zpool/data/var/cache/pacman; fi && \
+    zfs create zpool/data/var/cache/pacman/pkg && \
+    rsync -a --remove-source-files '/var/cache/pacman/pkg'{'.bak',}'/' && \
+    find '/var/cache/pacman/pkg.bak' -type d -empty -delete