1 files changed, 60 insertions, 13 deletions

diff --git a/src/core/file_sys/registered_cache.cpp b/src/core/file_sys/registered_cache.cpp
index a6960170c..04da93d5c 100644
--- a/src/core/file_sys/registered_cache.cpp
+++ b/src/core/file_sys/registered_cache.cpp
@@ -9,6 +9,7 @@
 #include "common/fs/path_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
+#include "common/scope_exit.h"
 #include "core/crypto/key_manager.h"
 #include "core/file_sys/card_image.h"
 #include "core/file_sys/common_funcs.h"
@@ -416,9 +417,9 @@ void RegisteredCache::ProcessFiles(const std::vector<NcaID>& ids) {
 
         if (file == nullptr)
             continue;
-        const auto nca = std::make_shared<NCA>(parser(file, id), nullptr, 0);
+        const auto nca = std::make_shared<NCA>(parser(file, id));
         if (nca->GetStatus() != Loader::ResultStatus::Success ||
-            nca->GetType() != NCAContentType::Meta) {
+            nca->GetType() != NCAContentType::Meta || nca->GetSubdirectories().empty()) {
             continue;
         }
 
@@ -500,7 +501,7 @@ std::unique_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType t
     const auto raw = GetEntryRaw(title_id, type);
     if (raw == nullptr)
         return nullptr;
-    return std::make_unique<NCA>(raw, nullptr, 0);
+    return std::make_unique<NCA>(raw);
 }
 
 template <typename T>
@@ -606,9 +607,9 @@ InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_ex
     const auto result = RemoveExistingEntry(title_id);
 
     // Install Metadata File
-    const auto res = RawInstallNCA(**meta_iter, copy, overwrite_if_exists, meta_id_data);
-    if (res != InstallResult::Success) {
-        return res;
+    const auto meta_result = RawInstallNCA(**meta_iter, copy, overwrite_if_exists, meta_id_data);
+    if (meta_result != InstallResult::Success) {
+        return meta_result;
     }
 
     // Install all the other NCAs
@@ -621,9 +622,19 @@ InstallResult RegisteredCache::InstallEntry(const NSP& nsp, bool overwrite_if_ex
         if (nca == nullptr) {
             return InstallResult::ErrorCopyFailed;
         }
-        const auto res2 = RawInstallNCA(*nca, copy, overwrite_if_exists, record.nca_id);
-        if (res2 != InstallResult::Success) {
-            return res2;
+        if (nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
+            nca->GetTitleId() != title_id) {
+            // Create fake cnmt for patch to multiprogram application
+            const auto sub_nca_result =
+                InstallEntry(*nca, cnmt.GetHeader(), record, overwrite_if_exists, copy);
+            if (sub_nca_result != InstallResult::Success) {
+                return sub_nca_result;
+            }
+            continue;
+        }
+        const auto nca_result = RawInstallNCA(*nca, copy, overwrite_if_exists, record.nca_id);
+        if (nca_result != InstallResult::Success) {
+            return nca_result;
         }
     }
 
@@ -662,7 +673,34 @@ InstallResult RegisteredCache::InstallEntry(const NCA& nca, TitleType type,
     return RawInstallNCA(nca, copy, overwrite_if_exists, c_rec.nca_id);
 }
 
+InstallResult RegisteredCache::InstallEntry(const NCA& nca, const CNMTHeader& base_header,
+                                            const ContentRecord& base_record,
+                                            bool overwrite_if_exists, const VfsCopyFunction& copy) {
+    const CNMTHeader header{
+        .title_id = nca.GetTitleId(),
+        .title_version = base_header.title_version,
+        .type = base_header.type,
+        .reserved = {},
+        .table_offset = 0x10,
+        .number_content_entries = 1,
+        .number_meta_entries = 0,
+        .attributes = 0,
+        .reserved2 = {},
+        .is_committed = 0,
+        .required_download_system_version = 0,
+        .reserved3 = {},
+    };
+    const OptionalHeader opt_header{0, 0};
+    const CNMT new_cnmt(header, opt_header, {base_record}, {});
+    if (!RawInstallYuzuMeta(new_cnmt)) {
+        return InstallResult::ErrorMetaFailed;
+    }
+    return RawInstallNCA(nca, copy, overwrite_if_exists, base_record.nca_id);
+}
+
 bool RegisteredCache::RemoveExistingEntry(u64 title_id) const {
+    bool removed_data = false;
+
     const auto delete_nca = [this](const NcaID& id) {
         const auto path = GetRelativePathFromNcaID(id, false, true, false);
 
@@ -706,11 +744,20 @@ bool RegisteredCache::RemoveExistingEntry(u64 title_id) const {
         const auto deleted_html = delete_nca(html_id);
         const auto deleted_legal = delete_nca(legal_id);
 
-        return deleted_meta && (deleted_meta || deleted_program || deleted_data ||
-                                deleted_control || deleted_html || deleted_legal);
+        removed_data |= (deleted_meta || deleted_program || deleted_data || deleted_control ||
+                         deleted_html || deleted_legal);
     }
 
-    return false;
+    // If patch entries for any program exist in yuzu meta, remove them
+    for (u8 i = 0; i < 0x10; i++) {
+        const auto meta_dir = dir->CreateDirectoryRelative("yuzu_meta");
+        const auto filename = GetCNMTName(TitleType::Update, title_id + i);
+        if (meta_dir->GetFile(filename)) {
+            removed_data |= meta_dir->DeleteFile(filename);
+        }
+    }
+
+    return removed_data;
 }
 
 InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFunction& copy,
@@ -964,7 +1011,7 @@ std::unique_ptr<NCA> ManualContentProvider::GetEntry(u64 title_id, ContentRecord
     const auto res = GetEntryRaw(title_id, type);
     if (res == nullptr)
         return nullptr;
-    return std::make_unique<NCA>(res, nullptr, 0);
+    return std::make_unique<NCA>(res);
 }
 
 std::vector<ContentProviderEntry> ManualContentProvider::ListEntriesFilter(