From 768664e0c5a6b3129cbf3943cd28dac543e911f1 Mon Sep 17 00:00:00 2001
From: Adnan Maolood <me@adnano.co>
Date: Wed, 28 Oct 2020 01:06:08 -0400
Subject: [PATCH] Add ErrInputRequired and ErrCertificateRequired

---
 client.go | 2 ++
 gemini.go | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/client.go b/client.go
index 4b049e5..c4ffb59 100644
--- a/client.go
+++ b/client.go
@@ -120,6 +120,7 @@ func (c *Client) do(req *Request, via []*Request) (*Response, error) {
 				return c.Do(req)
 			}
 		}
+		return resp, ErrCertificateRequired
 	} else if resp.Status.Class() == StatusClassRedirect {
 		if via == nil {
 			via = []*Request{}
@@ -154,6 +155,7 @@ func (c *Client) do(req *Request, via []*Request) (*Response, error) {
 				return c.do(req, via)
 			}
 		}
+		return resp, ErrInputRequired
 	}
 
 	resp.Request = req
diff --git a/gemini.go b/gemini.go
index 635622c..a381712 100644
--- a/gemini.go
+++ b/gemini.go
@@ -21,6 +21,8 @@ var (
 	ErrNotAGeminiURL         = errors.New("gemini: not a Gemini URL")
 	ErrBodyNotAllowed        = errors.New("gemini: response status code does not allow for body")
 	ErrTooManyRedirects      = errors.New("gemini: too many redirects")
+	ErrInputRequired         = errors.New("gemini: input required")
+	ErrCertificateRequired   = errors.New("gemini: certificate required")
 )
 
 // DefaultClient is the default client. It is used by Get and Do.