func checkAndSaveSeqNum()

in main/cmds.go [201:217]

• 15 lines of code
• 4 McCabe index (conditional complexity)

func checkAndSaveSeqNum(ctx log.Logger, seq int, mrseqPath string) (shouldExit bool, _ error) {
	ctx.Log("event", "comparing seqnum", "path", mrseqPath)
	smaller, err := seqnum.IsSmallerThan(mrseqPath, seq)
	if err != nil {
		return false, errors.Wrap(err, "failed to check sequence number")
	}
	if !smaller {
		// stored sequence number is equals or greater than the current
		// sequence number.
		return true, nil
	}
	if err := seqnum.Set(mrseqPath, seq); err != nil {
		return false, errors.Wrap(err, "failed to save the sequence number")
	}
	ctx.Log("event", "seqnum saved", "path", mrseqPath)
	return false, nil
}