troubleshoot build

ansible/roles/aur_repo_host/tasks/main.yaml

@@ -62,13 +62,13 @@
     - /tmp/build
 
 - name: Check if the signing key is in build user's keyring
-  become: true
-  become_user: "{{ aur_repo_build_account }}"
   ansible.builtin.command:
     cmd: gpg2 --list-secret-key --with-colons {{ aur_repo_key_thumbprint }}
   failed_when: key_result.rc not in [0, 2]
   changed_when: false
   register: key_result
+  vars:
+    ansible_become_user: "{{ aur_repo_build_account }}"
 
 - name: GPG key import block
   when: key_result.rc == 2
@@ -83,11 +83,11 @@
         mode: "0600"
 
     - name: Import the signing key
-      become: true
-      become_user: "{{ aur_repo_build_account }}"
       ansible.builtin.command:
         cmd: gpg2 --import /tmp/build/signing_key.asc
       changed_when: true
+      vars:
+        ansible_become_user: "{{ aur_repo_build_account }}"
 
     - name: Delete the signing key
       ansible.builtin.file: