change: allow deleting mods while preserving their metadata

Signed-off-by: flow <flowlnlnln@gmail.com>

2 files changed, 4 insertions, 3 deletions

diff --git a/launcher/minecraft/mod/Mod.cpp b/launcher/minecraft/mod/Mod.cpp
index 742709e3..37ec8eca 100644
--- a/launcher/minecraft/mod/Mod.cpp
+++ b/launcher/minecraft/mod/Mod.cpp
@@ -162,13 +162,14 @@ void Mod::setMetadata(Metadata::ModStruct* metadata)
     }
 }
 
-auto Mod::destroy(QDir& index_dir) -> bool
+auto Mod::destroy(QDir& index_dir, bool preserve_metadata) -> bool
 {
     auto n = name();
     // FIXME: This can fail to remove the metadata if the
     // "ModMetadataDisabled" setting is on, since there could
     // be a name mismatch!
-    Metadata::remove(index_dir, n);
+    if(!preserve_metadata)
+        Metadata::remove(index_dir, n);
 
     m_type = MOD_UNKNOWN;
     return FS::deletePath(m_file.filePath());
diff --git a/launcher/minecraft/mod/Mod.h b/launcher/minecraft/mod/Mod.h
index 5f9c4684..abb8a52d 100644
--- a/launcher/minecraft/mod/Mod.h
+++ b/launcher/minecraft/mod/Mod.h
@@ -82,7 +82,7 @@ public:
     auto enable(bool value) -> bool;
 
     // delete all the files of this mod
-    auto destroy(QDir& index_dir) -> bool;
+    auto destroy(QDir& index_dir, bool preserve_metadata = false) -> bool;
 
     // change the mod's filesystem path (used by mod lists for *MAGIC* purposes)
     void repath(const QFileInfo &file);