Borg MySQL backup: fix version detection for MariaDB variant

This one is from Debian 13

Readme.md

@@ -273,6 +273,8 @@ There are no control files for gitea backup
 
 ## zabbix config backup settings
 
+The `zabbix-dump` dump script must be installed from: <https://github.com/gullevek/zabbix-backup>
+
 ### zabbix Config Variables
 
 | Variable | Default | Description |
@@ -281,6 +283,7 @@ There are no control files for gitea backup
 | ZABBIX_DATABASE | '' | Must be set as either psql or mysql |
 | ZABBIX_CONFIG | '' | if not set uses default location |
 | ZABBIX_UNKNOWN_TABLES | '' | if set, changed to -f (force) |
+| ZABBIX_DB_PORT | '' | if set, sets -P parameter on zabbix backup script to override auto get from zabbix server config |
 
 ### zabbix Control files
 

borg.backup.mysql.sh

@@ -62,10 +62,11 @@ if [ -z "${_MYSQL_OK}" ]; then
 fi;
 # below is for file name only
 # set DB_VERSION (Distrib n.n.n-type)
-# NEW: mysql  Ver 15.1 Distrib 10.5.12-MariaDB, for debian-linux-gnu (x86_64) using  EditLine wrapper
+# OLD:     mysql  Ver 14.14 Distrib 5.7.35, for Linux (x86_64) using  EditLine wrapper
-# OLD: mysql  Ver 14.14 Distrib 5.7.35, for Linux (x86_64) using  EditLine wrapper
+# NEW:     mysql  Ver 15.1 Distrib 10.5.12-MariaDB, for debian-linux-gnu (x86_64) using  EditLine wrapper
+# VARIANT: mysql from 11.8.3-MariaDB, client 15.2 for debian-linux-gnu (x86_64) using  EditLine wrapper
 _DB_VERSION_TYPE=$("${MYSQL_CMD}" --version);
-_DB_VERSION=$(echo "${_DB_VERSION_TYPE}" | sed 's/.*Distrib \([0-9]\{1,\}\.[0-9]\{1,\}\)\.[0-9]\{1,\}.*/\1/');
+_DB_VERSION=$(echo "${_DB_VERSION_TYPE}" | sed 's/.*\(Distrib\|from\) \([0-9]\{1,\}\.[0-9]\{1,\}\)\.[0-9]\{1,\}.*/\2/');
 DB_VERSION=$(echo "${_DB_VERSION}" | cut -d " " -f 1);
 # temporary until correct type detection is set
 DB_TYPE="mysql";