From ec72faa7891a24795c9b040076de829642be043d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Minh=20Nguye=CC=82=CC=83n?= <mxn@1ec5.org>
Date: Sat, 26 Mar 2016 14:12:37 -0700
Subject: [PATCH] [ios, osx] Invalidate packs upon reload

---
 platform/darwin/src/MGLOfflinePack_Private.h | 2 +-
 platform/darwin/src/MGLOfflineStorage.mm     | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/darwin/src/MGLOfflinePack_Private.h b/platform/darwin/src/MGLOfflinePack_Private.h
index 4a121af8a..0e9265540 100644
--- a/platform/darwin/src/MGLOfflinePack_Private.h
+++ b/platform/darwin/src/MGLOfflinePack_Private.h
@@ -33,7 +33,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 /**
  Invalidates the pack and ensures that no future progress update can ever
- revalidate it.
+ revalidate it. This method must be called before the pack is deallocated.
  */
 - (void)invalidate;
 
diff --git a/platform/darwin/src/MGLOfflineStorage.mm b/platform/darwin/src/MGLOfflineStorage.mm
index 4e69ba211..c4c57224d 100644
--- a/platform/darwin/src/MGLOfflineStorage.mm
+++ b/platform/darwin/src/MGLOfflineStorage.mm
@@ -195,6 +195,9 @@ NSString * const MGLOfflinePackMaximumCountUserInfoKey = @"MaximumCount";
 
 - (void)reloadPacks {
     [self getPacksWithCompletionHandler:^(NS_ARRAY_OF(MGLOfflinePack *) *packs, __unused NSError * _Nullable error) {
+        for (MGLOfflinePack *pack in self.packs) {
+            [pack invalidate];
+        }
         self.packs = [packs mutableCopy];
         
         for (MGLOfflinePack *pack in packs) {