refactor: add var _ansible_role_directory

roles/ynh_backup/tasks/borgbackup.yml

@@ -18,7 +18,7 @@
 #                                                                             #
 #-----------------------------------------------------------------------------#
 - name: Download BorgBackup role on localhost
-  ansible.builtin.command: ansible-galaxy install m3nu.ansible_role_borgbackup,v0.9.0 -p ~/.ansible/roles
+  ansible.builtin.command: ansible-galaxy install m3nu.ansible_role_borgbackup,v0.9.0 -p "{{ _ansible_role_directory }}"
   delegate_to: localhost
   become: False
   tags:

roles/ynh_backup/tasks/restic.yml

@@ -18,7 +18,7 @@
 #                                                                             #
 #-----------------------------------------------------------------------------#
 - name: Download Restic role on localhost
-  ansible.builtin.command: ansible-galaxy install do1jlr.restic,v0.7.1 -p ~/.ansible/roles
+  ansible.builtin.command: ansible-galaxy install do1jlr.restic,v0.7.1 -p "{{ _ansible_role_directory }}"
   delegate_to: localhost
   become: False
   tags:

roles/ynh_backup/vars/main.yml

@@ -22,3 +22,4 @@
 ynh_backup_src_script: "templates/ynh_backup.sh.j2"
 ynh_backup_dest_script: "/usr/local/bin/ynh_backup.sh"
 _ynh_backup_directory: "/home/yunohost.backup/archives"
+_ansible_role_directory: "~/.ansible/roles"