{{- $link := .Get 0 -}}
{{- $link = replace $link "https://" ""}}
{{- $link = replace $link "http://" ""}}
{{- $label := or (.Get 1) (.Get 0) -}}
{{- if not (.Get 1) -}}
    {{- $name := path.Base $label -}}
    {{- $owner := path.Base (path.Dir $label) -}}
    {{- $label = path.Join $owner $name -}}
{{end}}
<a href="https://pkg.go.dev/{{$link}}?tab=overview">{{$label}}</a>