From f4a3c575f4448f66792934374e382cc480ff260f Mon Sep 17 00:00:00 2001
From: Han Wang <416810799@qq.com>
Date: Tue, 5 Mar 2019 05:10:46 +0100
Subject: [PATCH] Updater: Assume older Android version to be incompatible

 * Issue happens when both 15.1 and 16.0 are built.

Change-Id: I0cb7c834824056f450129524a7aec8091c9d3dc7
---
 src/org/lineageos/updater/misc/Utils.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/org/lineageos/updater/misc/Utils.java b/src/org/lineageos/updater/misc/Utils.java
index 6ca7f941..9299114d 100644
--- a/src/org/lineageos/updater/misc/Utils.java
+++ b/src/org/lineageos/updater/misc/Utils.java
@@ -95,6 +95,10 @@ public class Utils {
     }
 
     public static boolean isCompatible(UpdateBaseInfo update) {
+        if (update.getVersion().compareTo(SystemProperties.get(Constants.PROP_BUILD_VERSION)) < 0) {
+            Log.d(TAG, update.getName() + " is older than current Android version");
+            return false;
+        }
         if (!SystemProperties.getBoolean(Constants.PROP_UPDATER_ALLOW_DOWNGRADING, false) &&
                 update.getTimestamp() <= SystemProperties.getLong(Constants.PROP_BUILD_DATE, 0)) {
             Log.d(TAG, update.getName() + " is older than/equal to the current build");
-- 
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