From d4b55ad0e408c043b54a216345fe884d2248af12 Mon Sep 17 00:00:00 2001
From: Mykola Grymalyuk <48863253+khronokernel@users.noreply.github.com>
Date: Wed, 21 Apr 2021 17:47:51 -0600
Subject: [PATCH] Fix build crashing when no wifi card is present

---
 CHANGELOG.md       |  1 +
 Resources/Build.py | 13 ++++++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5c79feef..7b80d9198 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 - Add public beta support for Legacy GPU Acceleration (v0.0.3)
   - Note ATI/AMD TeraScale 2 unsupported (HD 5/6000)
 - Add better kmutil crash handling
+- Fix build crashing when no wifi card is present
 
 ## 0.1.0
 - Fix crash on iMacs with Metal GPUs
diff --git a/Resources/Build.py b/Resources/Build.py
index 5ff590d2d..9bf8f821d 100644
--- a/Resources/Build.py
+++ b/Resources/Build.py
@@ -166,11 +166,14 @@ class BuildOpenCore:
             vendor_atheros = binascii.unhexlify("E4140000")
             vendor_broadcom = binascii.unhexlify("8C160000")
             wifi_devices = [i for i in wifi_devices if i["vendor-id"] == vendor_atheros or i["vendor-id"] == vendor_broadcom and i["class-code"] == binascii.unhexlify("00800200")]
-            wifi_vendor = self.hexswap(binascii.hexlify(wifi_devices[0]["vendor-id"]).decode()[:4])
-            wifi_device = self.hexswap(binascii.hexlify(wifi_devices[0]["device-id"]).decode()[:4])
-            wifi_ioname = wifi_devices[0]["IOName"]
-            if not self.constants.custom_model:
-                print(f"- Detected Wifi Card: {wifi_vendor}:{wifi_device}")
+            try:
+                wifi_vendor = self.hexswap(binascii.hexlify(wifi_devices[0]["vendor-id"]).decode()[:4])
+                wifi_device = self.hexswap(binascii.hexlify(wifi_devices[0]["device-id"]).decode()[:4])
+                wifi_ioname = wifi_devices[0]["IOName"]
+                if not self.constants.custom_model:
+                    print(f"- Detected Wifi Card: {wifi_vendor}:{wifi_device}")
+            except IndexError:
+                wifi_devices = ""
 
         else:
             wifi_devices = ""