The MariaDB support files in this repository comes from version of MariaDB mariadb-10.1.22-linux-glibc_214-x86_64.tar.gz.
The files are necessary in order to install MariaDB server as a non-root
user.
The one you pick needs to be in your home directory by the
name .my.cnf
Since MariaDB 10.3.0. version, the files in this repository are not longer included in newer distributions of MariaDB