gitea/templates/repo/issue/view_content/update_branch_by_merge.tmpl

{{$canAutoMerge := false}}
{{if and (gt .Issue.PullRequest.CommitsBehind 0) (not  .Issue.IsClosed) (not .Issue.PullRequest.IsChecking) (not .IsPullFilesConflicted) (not .IsPullRequestBroken) (not $canAutoMerge)}}
	<div class="ui divider"></div>
	<div class="item item-section">
		<div class="item-section-left">
			<i class="icon icon-octicon">{{svg "octicon-alert"}}</i>
			{{$.locale.Tr "repo.pulls.outdated_with_base_branch"}}
		</div>
		<div class="item-section-right">
			{{if and .UpdateAllowed .UpdateByRebaseAllowed}}
				<div class="gt-dib">
					<div class="ui buttons update-button">
						<button class="ui button" data-do="{{.Link}}/update" data-redirect="{{.Link}}">
							<span class="button-text">
								{{$.locale.Tr "repo.pulls.update_branch"}}
							</span>
						</button>

						<div class="ui dropdown icon button no-text">
							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
							<div class="menu">
								<a class="item active selected" data-do="{{.Link}}/update">{{$.locale.Tr "repo.pulls.update_branch"}}</a>
								<a class="item" data-do="{{.Link}}/update?style=rebase">{{$.locale.Tr "repo.pulls.update_branch_rebase"}}</a>
							</div>
						</div>
					</div>
				</div>
			{{end}}
			{{if and .UpdateAllowed (not .UpdateByRebaseAllowed)}}
				<form action="{{.Link}}/update" method="post" class="ui update-branch-form">
					{{.CsrfTokenHtml}}
					<button class="ui compact button" data-do="update">
						<span class="ui text">{{$.locale.Tr "repo.pulls.update_branch"}}</span>
					</button>
				</form>
			{{end}}
		</div>
	</div>
{{end}}