forgejo/templates/repo/watch_unwatch.tmpl

<form hx-boost="true" hx-target="this" method="post" action="{{$.RepoLink}}/action/{{if $.IsWatchingRepo}}un{{end}}watch">
	<div class="ui labeled button" {{if not $.IsSigned}}data-tooltip-content="{{ctx.Locale.Tr "repo.watch_guest_user"}}"{{end}}>
		<button type="submit" class="ui compact small basic button"{{if not $.IsSigned}} disabled{{end}}>
			{{if $.IsWatchingRepo}}
				{{svg "octicon-eye-closed" 16}}<span class="text not-mobile">{{ctx.Locale.Tr "repo.unwatch"}}</span>
			{{else}}
				{{svg "octicon-eye"}}<span class="text not-mobile">{{ctx.Locale.Tr "repo.watch"}}</span>
			{{end}}
		</button>
		<a hx-boost="false" class="ui basic label" href="{{.RepoLink}}/watchers">
			{{CountFmt .Repository.NumWatches}}
		</a>
	</div>
</form>