actions

type Backup struct {
	// Concurrency is the number of concurrent workers during the backup.
	Concurrency int

	// Src is backup source
	Src *fslocal.FS

	// Dst is backup destination.
	//
	// If dst contains the previous backup data, then incremental backup
	// is made, i.e. only the changed data is uploaded.
	//
	// If dst points to empty dir, then full backup is made.
	// Origin can be set to the previous backup in order to reduce backup duration
	// and reduce network bandwidth usage.
	Dst common.RemoteFS

	// Origin is optional origin for speeding up full backup if Dst points
	// to empty dir.
	Origin common.OriginFS
}

type BackupMetadata struct {
	CreatedAt   string `json:"created_at"`
	CompletedAt string `json:"completed_at"`
}

type RemoteBackupCopy struct {
	// Concurrency is the number of concurrent workers during the backup.
	Concurrency int

	// Src is the copy source
	Src common.RemoteFS

	// Dst is the copy destination.
	//
	// If dst contains the previous backup data, then dst is updated incrementally,
	// i.e. only the changed data is copied.
	//
	// If dst points to empty dir, then full copy is made.
	Dst common.RemoteFS
}

type Restore struct {
	// Concurrency is the number of concurrent workers to run during restore.
	Concurrency int

	// Src is the source containing backed up data.
	Src common.RemoteFS

	// Dst is destination to restore the data.
	//
	// If dst points to existing directory, then incremental restore is performed,
	// i.e. only new data is downloaded from src.
	Dst *fslocal.FS

	// SkipBackupCompleteCheck may be set in order to skip for `backup complete` file in Src.
	//
	// This may be needed for restoring from old backups with missing `backup complete` file.
	SkipBackupCompleteCheck bool
}