Emit cookies on all responses including redirects

Author: jedisct1

src/fastly.zig

@@ -55,25 +55,24 @@ fn sendFastlyResponse(downstream: *zigly.http.Downstream, response: mer.Response
     const status: u16 = @intFromEnum(response.status);
     try resp.setStatus(status);
 
+    for (response.cookies) |ck| {
+        var buf: [512]u8 = undefined;
+        const val = ck.headerValue(&buf);
+        const owned = try allocator.dupe(u8, val);
+        try resp.headers.append(allocator, "Set-Cookie", owned);
+    }
+
     if (response.content_type == .redirect) {
         try resp.headers.set("Location", response.body);
         try resp.finish();
         return;
     }
 
-    try resp.headers.set("Content-Type", response.content_type.mime());
-
     for (mer.security_headers) |hdr| {
         try resp.headers.set(hdr.name, hdr.value);
     }
 
-    for (response.cookies) |ck| {
-        var buf: [512]u8 = undefined;
-        const val = ck.headerValue(&buf);
-        const owned = try allocator.dupe(u8, val);
-        try resp.headers.append(allocator, "Set-Cookie", owned);
-    }
-
+    try resp.headers.set("Content-Type", response.content_type.mime());
     try resp.body.writeAll(response.body);
     try resp.finish();
 }