It really needs fix_volumes.sh to be reliable

mariadb-srv/project/entrypoint/fix_volumes.sh

@@ -1,9 +1,18 @@
 #!/bin/sh
 
-mkdir -p /etc/mysql  # Creates /etc/php if it doesn't exist
-mkdir -p /var/lib/mysql  # Creates /etc/php if it doesn't exist
+#mkdir -p /etc/mysql  # Creates /etc/php if it doesn't exist
+#mkdir -p /var/lib/mysql  # Creates /etc/php if it doesn't exist
+[ -d "/etc/mysql" ] || mkdir -p /etc/mysql
+[ -d "/var/lib/mysql" ] || mkdir -p /var/lib/mysql
+
+if [ ! -f /etc/mysql/my.cnf ]; then
+  cp -a /tmp/buildtime/etc/mysql/* /etc/mysql/
+  rm -rf /tmp/buildtime/etc/mysql/
+fi
+
+if [ "$(ls -A /var/lib/mysql)" ]; then
+	cp -a /tmp/buildtime/var/lib/mysql/* /var/lib/mysql #&& rm -rf /tmp/buildtime/var/lib/mysql
+fi
 
-mv /tmp/buildtime/etc/mysql/* /etc/mysql/
-mv /tmp/buildtime/var/lib/mysql/* /var/lib/mysql
 chown -R mysql:mysql /var/lib/mysql
 chown -R mysql:root /run/mysqld