From f4e58553187e085fbee1fb3bfc3ed86ecf9633c6 Mon Sep 17 00:00:00 2001
From: Asher <ash@coder.com>
Date: Tue, 3 Nov 2020 14:31:32 -0600
Subject: [PATCH] Simplify update request

---
 src/node/update.ts | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/src/node/update.ts b/src/node/update.ts
index 42baa184..2959b874 100644
--- a/src/node/update.ts
+++ b/src/node/update.ts
@@ -105,24 +105,23 @@ export class UpdateProvider {
         logger.debug("Making request", field("uri", uri))
         const httpx = uri.startsWith("https") ? https : http
         const client = httpx.get(uri, { headers: { "User-Agent": "code-server" } }, (response) => {
-          if (
-            response.statusCode &&
-            response.statusCode >= 300 &&
-            response.statusCode < 400 &&
-            response.headers.location
-          ) {
+          if (!response.statusCode || response.statusCode < 200 || response.statusCode >= 400) {
+            return reject(new Error(`${uri}: ${response.statusCode || "500"}`))
+          }
+
+          if (response.statusCode >= 300) {
             ++redirects
             if (redirects > maxRedirects) {
+              response.destroy()
               return reject(new Error("reached max redirects"))
             }
+            if (!response.headers.location) {
+              return reject(new Error("received redirect with no location header"))
+            }
             response.destroy()
             return request(url.resolve(uri, response.headers.location))
           }
 
-          if (!response.statusCode || response.statusCode < 200 || response.statusCode >= 400) {
-            return reject(new Error(`${uri}: ${response.statusCode || "500"}`))
-          }
-
           resolve(response)
         })
         client.on("error", reject)