Improvce language visualization. Generalize language node selection, change language query parameters, add resolution of node name (corpus-) to lexvo controler
<%- if @kernel == 'Linux' -%>
#!/bin/bash
<%- else -%>
#!/bin/sh
<%- end -%>
#
# A wrapper for Xtrabackup
#
<% if @prescript -%>
<%- [@prescript].flatten.compact.each do |script| %>
<%= script %>
<%- end -%>
<% end -%>
innobackupex "$@"
<% if @postscript -%>
<%- [@postscript].flatten.compact.each do |script| %>
<%= script %>
<%- end -%>
<% end -%>