escape \% in cron

Percent-signs (%) in the command, unless escaped with backslash \, will be changed into newline characters, and all data after the first % will be sent to the command as standard input.

Author: baldurmen

manifests/backup/xtrabackup.pp

@@ -63,7 +63,7 @@
 
   $daily_cron_data = ($incremental_backups) ? {
     true  => {
-      'directories' => "--incremental-basedir=${backupdir} --target-dir=${backupdir}/$(date +%F_%H-%M-%S)",
+      'directories' => "--incremental-basedir=${backupdir} --target-dir=${backupdir}/$(date +\%F_\%H-\%M-\%S)",
       'weekday'     => '1-6',
     },
     false => {