{{- $faviconIco := site.Params.favicon -}}
{{- $faviconPng := site.Params.faviconPng -}}

{{- if or $faviconIco $faviconPng -}}

  {{- /* ICO (shortcut / legacy) */ -}}
  {{- if $faviconIco -}}
    {{- if or (hasPrefix $faviconIco "http") (fileExists (add `static/` (string $faviconIco))) -}}
<link rel="shortcut icon" href="{{$faviconIco | absURL}}" type="image/x-icon">
<link rel="icon" href="{{$faviconIco | absURL}}" type="image/x-icon">
    {{- else if fileExists (add `assets/` (string $faviconIco)) -}}
      {{- $ico := resources.Get $faviconIco -}}
<link rel="shortcut icon" href="{{$ico.RelPermalink}}" type="image/x-icon">
<link rel="icon" href="{{$ico.RelPermalink}}" type="image/x-icon">
    {{- end -}}
  {{- end -}}

  {{- /* PNG / Apple touch */ -}}
  {{- if $faviconPng -}}
    {{- if or (hasPrefix $faviconPng "http") (fileExists (add `static/` (string $faviconPng))) -}}
<link rel="icon" type="image/png" sizes="48x48" href="{{$faviconPng | absURL}}">
<link rel="icon" type="image/png" sizes="96x96" href="{{$faviconPng | absURL}}">
<link rel="apple-touch-icon" sizes="180x180" href="{{$faviconPng | absURL}}">
    {{- else if fileExists (add `assets/` (string $faviconPng)) -}}
      {{- $png := resources.Get $faviconPng -}}
      {{- $png48 := $png.Resize "48x png" -}}
      {{- $png96 := $png.Resize "96x png" -}}
      {{- $png180 := $png.Resize "180x png" -}}
<link rel="icon" type="image/png" sizes="48x48" href="{{$png48.RelPermalink}}">
<link rel="icon" type="image/png" sizes="96x96" href="{{$png96.RelPermalink}}">
<link rel="apple-touch-icon" sizes="180x180" href="{{$png180.RelPermalink}}">
    {{- end -}}
  {{- end -}}

{{- end -}}