static/frontend/unit/main/_build-context.tmpl

<!--
  Copyright 2021 The Go Authors. All rights reserved.
  Use of this source code is governed by a BSD-style
  license that can be found in the LICENSE file.
-->

{{define "unit-build-context"}}
  {{if .BuildContexts}}
    {{if gt (len .BuildContexts) 1}}
      <div class="UnitBuildContext-titleContext">
        <label>
          <a href="https://go.dev/about#build-context" class="UnitBuildContext-link">Rendered for</a>
          <select class="go-Select js-buildContextSelect">
            {{range .BuildContexts}}
              <option{{if eq .GOOS $.GOOS}} selected{{end}} value="{{.GOOS}}">{{.GOOS}}/{{.GOARCH}}</option>
            {{end}}
          </select>
        </label>
      </div>
    {{else if not (eq .GOOS "all")}}
      <div class="UnitBuildContext-titleContext">
        <div class="UnitBuildContext-singleContext">
          <a href="/about#build-context" class="UnitBuildContext-link">Rendered for</a> {{.GOOS}}/{{.GOARCH}}
        </div>
      </div>
    {{end}}
  {{end}}
{{end}}