From e82c3d0674e6452938e49bc6ee6848aa2a603c27 Mon Sep 17 00:00:00 2001
From: Danny Lin <danny@kdrag0n.dev>
Date: Thu, 14 Jan 2021 00:11:37 -0800
Subject: [PATCH] customize: Validate CPU architecture before installing

---
 customize.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/customize.sh b/customize.sh
index 4efd873..d8921a7 100755
--- a/customize.sh
+++ b/customize.sh
@@ -1,5 +1,14 @@
 #!/sbin/sh
 
+# We check the native ABI instead of all supported ABIs because this is a system
+# service, and underlying AIDL/HIDL ABIs may not match. We also link against other
+# system libraries.
+arch="$(getprop ro.product.cpu.abi)"
+if [[ "$arch" != "arm64-v8a" ]]; then
+    ui_print "Unsupported CPU architecture: $arch"
+    exit 1
+fi
+
 sdk="$(getprop ro.build.version.sdk)"
 version="$(getprop ro.vendor.build.version.release)"