guix: Install PCL only when member of pcbuilders

hosts.txt

 [ctrl]
 eci-crutch ansible_host=10.240.16.183
 
-[pc-builders]
+[pcbuilders]
 pf0322 ansible_host=10.184.166.19
 
+[stations:children]
+pcbuilders
+
 [stations]
-pc-builders
 pf0323 ansible_host=10.184.166.12
 pf0320 ansible_host=10.184.166.17
 

tasks/guix.yml

@@ -48,24 +48,24 @@
   tags: guix-inst-pkg
 
 - name: Copy package manifest (PCL).
-  hosts: pcl-builders
   copy:
     src: files/etc/guix_manifest_pcl.scm
     dest: /etc/guix_manifest_pcl.scm
   tags: guix-inst-pkg
+  when: "'pcbuilders' in group_names"
 
 
-# - name: Install PCL packages.
-#   command:
-#     cmd: guix package -c8 -m /etc/guix_manifest_pcl.scm --fallback -p ~/.pcl-guix-prof
-#   tags: guix-inst-pkg
-#   become_user: "{{ item.login }}"
-#   become_flags: "-i"
-#   retries: 20
-#   delay: 5
-#   register: result
-#   until: result.rc == 0
-#   loop: "{{ users }}"
+- name: Install PCL packages.
+  command:
+    cmd: guix package -c8 -m /etc/guix_manifest_pcl.scm --fallback -p ~/.pcl-guix-prof
+  tags: guix-inst-pkg
+  become_user: "{{ item.login }}"
+  retries: 20
+  delay: 5
+  register: result
+  until: result.rc == 0
+  loop: "{{ users }}"
+  when: "'pcbuilders' in group_names"
 
 - name: Install packages.
   command: