backup

func CreateBackup ¶

func CreateBackup(dir, backupsDir string, limit int) error

CreateBackup backs a directory up in a given directory. It basically copies this directory into a given backups directory. The backups directory has a simple structure - a directory inside named "0" is the most recent backup. A directory name for oldest backup is deduced from a given limit. For instance, for limit being 5 the name for the oldest backup would be "4". If a backups number exceeds the given limit then only newest ones are kept and the rest is removed.