forgejo/templates/repo/branch_dropdown.tmpl

<div class="fitted item choose reference">
	<div id="branch-dropdown" class="ui floating filter dropdown" data-no-results="{{.i18n.Tr "repo.pulls.no_results"}}">
			<div class="ui basic small button">
			<span class="text">
				<i class="octicon octicon-git-branch"></i>
				{{if .IsViewBranch}}{{.i18n.Tr "repo.branch"}}{{else}}{{.i18n.Tr "repo.tree"}}{{end}}:
				<strong>{{if .IsViewBranch}}{{.BranchName}}{{else}}{{ShortSha .BranchName}}{{end}}</strong>
			</span>
			<i class="dropdown icon"></i>
		</div>
		<div class="menu">
			<div class="ui icon search input">
				<i class="filter icon"></i>
				<input name="search" placeholder="{{.i18n.Tr "repo.filter_branch_and_tag"}}...">
			</div>
			<div class="header">
				<div class="ui grid">
					<div class="two column row">
						<a class="reference column" href="#" data-target="#branch-list">
							<span class="text {{if not .IsViewTag}}black{{end}}">
								<i class="octicon octicon-git-branch"></i> {{.i18n.Tr "repo.branches"}}
							</span>
						</a>
						<a class="reference column" href="#" data-target="#tag-list">
							<span class="text {{if .IsViewTag}}black{{end}}">
								<i class="reference tags icon"></i> {{.i18n.Tr "repo.tags"}}
							</span>
						</a>
					</div>
				</div>
			</div>
			<div id="branch-list" class="scrolling menu" {{if .IsViewTag}}style="display: none"{{end}}>
				{{range .Branches}}
					<div class="item {{if eq $.BranchName .}}selected{{end}}" data-url="{{$.RepoLink}}/{{if $.PageIsCommits}}commits{{else}}src{{end}}/{{EscapePound .}}{{if $.TreeName}}/{{EscapePound $.TreeName}}{{end}}">{{.}}</div>
				{{end}}
				{{if .IsWriter}}
				<a href="javascript:void(0)" id="new-branch-item">
					<i class="octicon octicon-git-branch"></i>
					{{.i18n.Tr "repo.create_branch"}}: <span id="branch-name-text"></span>
					<br/>
					<span class="description">{{.i18n.Tr "repo.from"}} ‘{{.BranchName}}’</span>
					<form accept-charset="UTF-8" action="{{.RepoLink}}/branches" method="post">
						{{.CsrfTokenHtml}}
						<input type="hidden" name="old_branch_name" value="{{.BranchName}}">
						<input type="hidden" name="branch_name" id="branch-name" value="">
					</form>
				</a>
				{{end}}
			</div>
			<div id="tag-list" class="scrolling menu" {{if not .IsViewTag}}style="display: none"{{end}}>
				{{range .Tags}}
					<div class="item {{if eq $.BranchName .}}selected{{end}}" data-url="{{$.RepoLink}}/{{if $.PageIsCommits}}commits{{else}}src{{end}}/{{EscapePound .}}{{if $.TreeName}}/{{EscapePound $.TreeName}}{{end}}">{{.}}</div>
				{{end}}
			</div>
		</div>
	</div>
</div>

{{if .IsWriter}}
<script type="text/javascript">
	$(document).ready(function(){
		$('#branch-dropdown #new-branch-item').on('click', function(){
			$(this).find('form').submit();
			return true;
		});
		$('#branch-dropdown input[name=search]').on('keyup', function(){
			var query = $(this).val().toLowerCase();
			if(query.length){
				var unique = true;
				$('#branch-dropdown #branch-list .item').each(function(i, item){
					if($(item).text().toLowerCase() == query){
						unique = false;
					}
				});
				if(unique){
					$('#new-branch-item #branch-name-text').text(query);
					$('#new-branch-item #branch-name').val(query);
					$('#new-branch-item').css('display', 'block');
					return;
				}
			}
			$('#new-branch-item').hide();
		});
	});
</script>
{{end}}