{{- $author := site.Params.footer.copyright.author }} {{- $yearStart := string site.Params.footer.copyright.yearStart }} {{- $yearEnd := string (default (now.Format "2006") site.Params.footer.copyright.yearEnd) }} {{- $yearSpan := "" }} {{- if not $yearStart }} {{- /* Use $yearEnd if $yearStart doesn't exist */ -}} {{- $yearSpan = $yearEnd }} {{- else if eq $yearStart $yearEnd }} {{- $yearSpan = $yearEnd }} {{- else }} {{- $yearSpan = printf "%s-%s" $yearStart $yearEnd }} {{- end -}}