gogs/templates/repo/view_file.tmpl

<div class="panel panel-radius" id="{{if .ReadmeExist}}repo-readme{{else}}repo-read-file{{end}}">
    <p class="panel-header">
        {{if .ReadmeExist}}
            <i class="icon fa fa-book fa-lg"></i>
	        {{if .ReadmeInList}}
	        <strong class="file-name">{{.FileName}}</strong>
	        {{else}}
	        <strong>{{.FileName}}</strong><span class="file-size">{{FileSize .FileSize}}</span>
	        {{end}}
	    {{else}}
            <i class="icon fa fa-file-text-o"></i>
            <strong class="file-name">{{.FileName}}</strong><span class="file-size">{{FileSize .FileSize}}</span>
	    {{end}}
        {{if not .ReadmeInList}}
            {{if not .IsCommit}}
                <a class="right" href="{{.RepoLink}}/src/{{.CommitId}}/{{EscapePound .TreeName}}">
                    <button class="btn btn-medium btn-gray btn-right-radius btn-comb">{{.i18n.Tr "repo.file_permalink"}}</button>
                </a>
            {{end}}
            <a class="right" href="{{.RepoLink}}/commits/{{EscapePound .BranchName}}/{{EscapePound .TreeName}}">
                <button class="btn btn-medium btn-gray btn-right-radius btn-comb">{{.i18n.Tr "repo.file_history"}}</button>
            </a>
            <a class="right" href="{{EscapePound .FileLink}}">
                <button class="btn btn-medium btn-gray btn-left-radius btn-comb">{{.i18n.Tr "repo.file_raw"}}</button>
            </a>
        {{end}}
    </p>
    <div class="{{if .ReadmeExist}}panel-content{{end}}">
    	{{if .ReadmeExist}}
        <div class="markdown">
    	  {{if .FileContent}}{{.FileContent | Str2html}}{{end}}
        </div>
        {{else if not .IsFileText}}
        <div class="view-raw">
            {{if .IsImageFile}}
            <img src="{{EscapePound .FileLink}}">
            {{else}}
            <a href="{{EscapePound .FileLink}}" rel="nofollow" class="btn btn-gray btn-radius">{{.i18n.Tr "repo.file_view_raw"}}</a>
            {{end}}
        </div>
    	{{else if .FileSize}}
        <div class="code-view" id="repo-code-view">
          <pre class="line-numbers"><code class="language-{{if .FileLanguage}}{{.FileLanguage}}{{else}}nohighlight{{end}}">{{.FileContent}}</code></pre>
        </div>
    	{{end}}
    </div>
</div>