From 176b764e37de1534bddca191bebc6bde668a2dab Mon Sep 17 00:00:00 2001
From: Christopher Roy Bratusek <nano@jpberlin.de>
Date: Tue, 10 Jul 2018 17:24:00 +0200
Subject: [PATCH] CommonInstaller: improve check wether installation is an
 upgrade (system mode)

---
 CommonInstaller | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CommonInstaller b/CommonInstaller
index 1525887..842eff6 100644
--- a/CommonInstaller
+++ b/CommonInstaller
@@ -240,7 +240,7 @@ detect_mode () {
 	ui_print " "
 
 	if [ "${MODE}" = "SYSTEM"]; then
-		if test -f /system/etc/default-permissions/microg-permissions.xml; then
+		if test -f /data/adb/.nanodroid-list -o -f /system/addon.d/91-nanodroid.sh; then
 			NANODROID_UPGRADE=1
 		else
 			NANODROID_UPGRADE=0