Concatenate variable in Hugo

support
3

I was able to solve that issue nicely as follows:

{{ if and (or .IsPage .IsSection) .Site.Params.contentCommitsURL }}
      {{ $File := .File }}
      {{ $Site := .Site }}
      {{with $File.Path }}
      {{ $fileDir := replace $File.Dir "\\" "/"}}
      	{{ $url := $File.LogicalName | printf "%s%s" $fileDir | printf "%s%s" $Site.Params.contentCommitsURL }}
      	{{ $.Scratch.Set "url" $url }}
      {{ end }}
  	{{ end }}

Then, where I want the page contributors to appear

{{ $url := $.Scratch.Get "url"}}
  {{ range getJSON $url }}
    <div style="display:inline-block; width:40px;"><a href="{{.author.html_url}}" target="_blank">
    <img src="{{.author.avatar_url}}" alt="{{.author.login}}" text="{{.author.login}}" class="inline" width="40" height="40" style="height: 40px;height: 40px; vertical-align:middle; margin: 0 auto;"></a>
  </div>
  {{ end }}

But alas, the human mind is never satisfied…

To make this perfect, I would like to know how I can filter distinct {{ .author.login }} . I am getting same authors being returned multiple times *
( * = equal to the number of times that the author has committed to that particular file.)

An example would be: this returns siddhantrimal twice!

I need it to return once. If multiple authors, I need to list each distinct author.