func showRedirectForm()

in cmd/redirector/main.go [103:145]


func showRedirectForm(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, `<!DOCTYPE html>
<html>
	<head>
		<title>Cloud Run Button</title>
		<style>
			html {
				font-family: '-apple-system','BlinkMacSystemFont','segoe ui',Roboto,'helvetica neue',Arial, sans-serif, 'apple color emoji', 'segoe ui emoji', 'segoe ui symbol';
			}
			body {
				margin: 0;
			}
			html, input {
				font-size: 120%%;
			}
			.container {
				margin: 5em auto;
				max-width: 768px;
			}
		</style>
	</head>
	<body>
		<div class="container">
		<h1>You’re almost there!</h1>
		<p>
			Unfortunately with the new Chrome 85, GitHub temporarily breaks our
			ability to determine which GitHub repository you came from. (You can
			<a href="https://github.community/t/chrome-85-breaks-referer/130039"
			rel="nofolow">help us ask GitHub</a> to fix it!)
		</p>
		<p>
			Please provide the URL of the previous page you came from:
		</p>
		<form action="/" method="POST">
			<input type="text" name="url" placeholder="https://github.com/..."
				size="32"/>
			<input type="hidden" name="orig_query" value="%s"/>
			<input type="submit" value="Deploy!"/>
		</form>
		</div>
	</body>
</html>`, r.URL.Query().Encode())
}