refactor(role): Move pacman pkg cache underneath boot dataset

files/etc/pacman.d/pacman.conf

@@ -2,4 +2,4 @@
 ILoveCandy
 Color
 ParallelDownloads = 20
- NoExtract = etc/pacman.d/mirrorlist
+NoExtract = etc/pacman.d/mirrorlist

tasks/archlinux-zfs-pacman-cache.yml

@@ -12,7 +12,7 @@
   changed_when: false
   failed_when: false
   ansible.builtin.shell: |
-    zfs list zpool/data/var/cache/pacman/pkg
+    zfs list zpool/root/archlinux/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'
@@ -20,9 +20,9 @@
   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 && \
+    if ! zfs list zpool/root/archlinux/var &>/dev/null; then zfs create -o canmount=off zpool/root/archlinux/var; fi && \
+    if ! zfs list zpool/root/archlinux/var/cache &>/dev/null; then zfs create -o canmount=off zpool/root/archlinux/var/cache; fi && \
+    if ! zfs list zpool/root/archlinux/var/cache/pacman &>/dev/null; then zfs create -o canmount=off zpool/root/archlinux/var/cache/pacman; fi && \
+    zfs create zpool/root/archlinux/var/cache/pacman/pkg && \
     rsync -a --remove-source-files '/var/cache/pacman/pkg'{'.bak',}'/' && \
     find '/var/cache/pacman/pkg.bak' -type d -empty -delete