phpbu:tldr:7e802
The command "phpbu --limit=${backup_task_name}" is using the phpbu (PHP Backup Utility) software. This command is instructing the phpbu utility to limit the backup process to a specific backup task determined by the value of the "backup_task_name" variable.
The "--limit" flag is a parameter recognized by phpbu, which allows users to specify a limit on the number of backup tasks or backups to be performed. In this case, the value of the limit is provided by the "backup_task_name" variable.
Overall, this command is invoking the phpbu utility and instructing it to perform a backup limited to a specific task determined by the value of "backup_task_name". The exact functionality of this command depends on the specifics of the given phpbu installation and the configuration set for each backup task.