Add config option to LauncherSettings for deleting old game caches

committed from 🇯🇵

Author: yungcomputerchair

app/settings/LauncherSettingsTab.tsx

@@ -182,6 +182,23 @@ export default function LauncherSettingsTab({
                   }))
                 }
               />
+              <SettingControlDropdown
+                id="delete_old_game_caches"
+                name="Delete old game caches on upgrades"
+                options={[
+                  { key: "yes", value: true, label: "Yes" },
+                  { key: "no", value: false, label: "No" },
+                ]}
+                defaultKey="no"
+                oldValue={currentSettings.delete_old_game_caches}
+                value={settings.delete_old_game_caches}
+                onChange={(value) =>
+                  setSettings((current) => ({
+                    ...current!,
+                    delete_old_game_caches: value,
+                  }))
+                }
+              />
               <SettingControlDropdown
                 id="launch_behavior"
                 name="Launch behavior"

app/types.ts

@@ -38,6 +38,7 @@ export type LauncherSettings = {
   check_for_updates: boolean;
   use_offline_caches: boolean;
   verify_offline_caches: boolean;
+  delete_old_game_caches: boolean;
   launch_behavior: string;
   game_cache_path: string;
   offline_cache_path: string;

src-tauri/src/config.rs

@@ -32,6 +32,9 @@ pub struct LauncherSettings {
     #[serde(default = "util::false_fn")]
     pub verify_offline_caches: bool,
 
+    #[serde(default = "util::false_fn")]
+    pub delete_old_game_caches: bool,
+
     #[serde(default)]
     pub launch_behavior: LaunchBehavior,
 
@@ -48,6 +51,7 @@ impl Default for LauncherSettings {
             theme: None,
             use_offline_caches: true,
             verify_offline_caches: false,
+            delete_old_game_caches: false,
             launch_behavior: LaunchBehavior::Hide,
             game_cache_path: util::get_default_cache_dir(),
             offline_cache_path: util::get_default_offline_cache_dir(),

src-tauri/src/lib.rs

@@ -429,6 +429,19 @@ async fn prep_launch(
                                 "Upgraded cache from parent version {} for {}",
                                 parent_uuid, version_uuid
                             );
+                            if state.config.launcher.delete_old_game_caches {
+                                if let Err(e) = util::delete_dir(&parent_cache_dir) {
+                                    warn!(
+                                        "Failed to delete cache for parent version {}: {}",
+                                        parent_uuid, e
+                                    );
+                                } else {
+                                    info!(
+                                        "Deleted cache for parent version {}",
+                                        parent_uuid
+                                    );
+                                }
+                            }
                         }
                     }
                 }

src-tauri/src/util.rs

@@ -147,6 +147,13 @@ pub(crate) fn copy_dir(src: &PathBuf, dest: &PathBuf) -> Result<()> {
     Ok(())
 }
 
+pub(crate) fn delete_dir(dir: &PathBuf) -> Result<()> {
+    if dir.exists() {
+        std::fs::remove_dir_all(dir)?;
+    }
+    Ok(())
+}
+
 pub(crate) fn is_dir_empty(dir: &PathBuf) -> Result<bool> {
     match std::fs::read_dir(dir) {
         Ok(mut entries) => Ok(entries.next().is_none()),