Fix false positive analyzer warning about resumableUpdate type (#2454)

sparkle-project · Oct 17, 2023 · 70a9ad5 · 70a9ad5
1 parent a00fd1d
commit 70a9ad5
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Sparkle/SPUCoreBasedUpdateDriver.m b/Sparkle/SPUCoreBasedUpdateDriver.m
@@ -190,8 +190,9 @@ - (void)deferInformationalUpdate:(SUAppcastItem *)updateItem secondaryUpdate:(SU
 
 - (void)extractDownloadedUpdate
 {
-    assert(_resumableUpdate != nil);
-    [self extractUpdate:_resumableUpdate];
+    id<SPUResumableUpdate> resumableUpdate = _resumableUpdate;
+    assert(resumableUpdate != nil && [resumableUpdate isKindOfClass:[SPUDownloadedUpdate class]]);
+    [self extractUpdate:(SPUDownloadedUpdate *)resumableUpdate];
 }
 
 - (void)clearDownloadedUpdate