From 3aa12281c3943d9cc91138080cf5bff0987bd70d Mon Sep 17 00:00:00 2001
From: arkon <eugcheung94@gmail.com>
Date: Sun, 23 Feb 2020 21:51:55 -0500
Subject: [PATCH] Avoid crash on loading invalid extension

(cherry picked from commit 460fbb18c73733a005bbab32996d5edfc7458a4a)
---
 .../eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
index c4018f0461..7e3998d279 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
@@ -100,6 +100,12 @@ internal object ExtensionLoader {
         val versionName = pkgInfo.versionName
         val versionCode = pkgInfo.versionCode
 
+        if (versionName.isNullOrEmpty()) {
+            val exception = Exception("Missing versionName for extension $extName")
+            Timber.w(exception)
+            return LoadResult.Error(exception)
+        }
+
         // Validate lib version
         val majorLibVersion = versionName.substringBefore('.').toInt()
         if (majorLibVersion < LIB_VERSION_MIN || majorLibVersion > LIB_VERSION_MAX) {