From a8b97e133e812f18b994581c94deba8ddb2d0da7 Mon Sep 17 00:00:00 2001
From: "Jay R. Wren" <jrwren@xmtp.net>
Date: Mon, 21 Oct 2019 18:30:47 -0400
Subject: [PATCH] allow forcing HTTP2

Use special ForceAttemptHTTP2 "header" to set the value on transport.
The header is not actually set in the HTTP request.
---
 request-headers.go | 1 +
 wuzz.go            | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/request-headers.go b/request-headers.go
index 2fa9590..eaea3cf 100644
--- a/request-headers.go
+++ b/request-headers.go
@@ -16,6 +16,7 @@ var REQUEST_HEADERS = []string{
 	"Date",
 	"Expect",
 	"Forwarded",
+	"ForceAttemptHTTP2",
 	"From",
 	"Host",
 	"If-Match",
diff --git a/wuzz.go b/wuzz.go
index b05e358..7ee1e78 100644
--- a/wuzz.go
+++ b/wuzz.go
@@ -773,6 +773,7 @@ func (a *App) SubmitRequest(g *gocui.Gui, _ *gocui.View) error {
 		headers := http.Header{}
 		headers.Set("User-Agent", "")
 		r.Headers = getViewValue(g, REQUEST_HEADERS_VIEW)
+		TRANSPORT.ForceAttemptHTTP2 = false
 		for _, header := range strings.Split(r.Headers, "\n") {
 			if header != "" {
 				header_parts := strings.SplitN(header, ": ", 2)
@@ -784,6 +785,12 @@ func (a *App) SubmitRequest(g *gocui.Gui, _ *gocui.View) error {
 					})
 					return nil
 				}
+				if header_parts[0] == "ForceAttemptHTTP2" {
+					switch strings.ToLower(header_parts[1])[0] {
+					case 't', 'y':
+						TRANSPORT.ForceAttemptHTTP2 = true
+					}
+				}
 				headers.Set(header_parts[0], header_parts[1])
 			}
 		}