feat: Allow user to backup sensitive settings

app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupCreator.kt

@@ -64,11 +64,11 @@ class BackupCreator(
                 sourcesBackupCreator.backupExtensionInfo(databaseManga),
 
                 if (options.appPrefs)
-                    preferenceBackupCreator.backupAppPreferences(false)
+                    preferenceBackupCreator.backupAppPreferences(options.includePrivate)
                 else emptyList(),
 
                 if (options.sourcePrefs)
-                    preferenceBackupCreator.backupSourcePreferences(false)
+                    preferenceBackupCreator.backupSourcePreferences(options.includePrivate)
                 else emptyList(),
             )
         }

app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupOptions.kt

@@ -12,6 +12,7 @@ data class BackupOptions(
     val sourcePrefs: Boolean = true,
     val customInfo: Boolean = true,
     val readManga: Boolean = true,
+    val includePrivate: Boolean = false,
 ) {
     fun asBooleanArray() = booleanArrayOf(
         libraryEntries,
@@ -23,6 +24,7 @@ data class BackupOptions(
         sourcePrefs,
         customInfo,
         readManga,
+        includePrivate,
     )
 
     companion object {
@@ -36,6 +38,7 @@ data class BackupOptions(
             R.string.source_settings,
             R.string.custom_manga_info,
             R.string.all_read_manga,
+            R.string.backup_private_pref,
         )
 
         fun fromBooleanArray(array: BooleanArray): BackupOptions = BackupOptions(
@@ -48,6 +51,7 @@ data class BackupOptions(
             array[6],
             array[7],
             array[8],
+            array[9],
         )
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/controllers/SettingsDataController.kt

@@ -303,7 +303,7 @@ class SettingsDataController : SettingsLegacyController() {
             .setTitle(R.string.what_should_backup)
             .setMultiChoiceItems(
                 options.toTypedArray(),
-                options.map { true }.toBooleanArray(),
+                BackupOptions().asBooleanArray(),
             ) { dialog, position, _ ->
                 if (position == 0) {
                     val listView = (dialog as AlertDialog).listView

app/src/main/res/values/strings.xml

@@ -846,6 +846,7 @@
         <item quantity="other">Done in %1$s with %2$s errors</item>
     </plurals>
     <string name="not_logged_into_">Not logged into %1$s</string>
+    <string name="backup_private_pref">Include sensitivve settings (e.g. tracker login tokens)</string>
 
     <!-- Advanced section -->
     <string name="clear_chapter_cache">Clear chapter cache</string>