use tachibk extension for backups

Author: az4521

app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt

@@ -84,8 +84,9 @@ class FullBackupManager(context: Context) : AbstractBackupManager(context) {
 
                     // Delete older backups
                     val numberOfBackups = numberOfBackups()
-                    val backupRegex = Regex("""tachiyomi_full_\d+-\d+-\d+_\d+-\d+.proto.gz""")
-                    dir.listFiles { _, filename -> backupRegex.matches(filename) }
+                    val oldBackupRegex = Regex("""tachiyomi_full_\d+-\d+-\d+_\d+-\d+.proto.gz""")
+                    val newBackupRegex = Regex("""tachiyomi_full_\d+-\d+-\d+_\d+-\d+.tachibk""")
+                    dir.listFiles { _, filename -> (oldBackupRegex.matches(filename) || newBackupRegex.matches(filename)) }
                         .orEmpty()
                         .sortedByDescending { it.name }
                         .drop(numberOfBackups - 1)

app/src/main/java/eu/kanade/tachiyomi/data/backup/full/models/BackupFull.kt

@@ -7,6 +7,6 @@ import java.util.Locale
 object BackupFull {
     fun getDefaultFilename(): String {
         val date = SimpleDateFormat("yyyy-MM-dd_HH-mm", Locale.getDefault()).format(Date())
-        return "tachiyomi_full_$date.proto.gz"
+        return "tachiyomi_full_$date.tachibk"
     }
 }

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

@@ -205,7 +205,7 @@ class SettingsBackupController : SettingsController() {
                     uri?.path?.let {
                         val fileName = DocumentFile.fromSingleUri(activity, uri)?.name ?: uri.toString()
                         when {
-                            fileName.endsWith(".proto.gz") -> {
+                            fileName.endsWith(".proto.gz") || fileName.endsWith(".tachibk") -> {
                                 val options = arrayOf(
                                     R.string.full_restore_offline,
                                     R.string.full_restore_online

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

@@ -375,7 +375,7 @@
     <string name="tracker_not_logged_in">Not logged in: %1$s</string>
     <string name="backup_created">Backup created</string>
     <string name="invalid_backup_file">Invalid backup file</string>
-    <string name="invalid_backup_file_type">Invalid backup file type: %1$s\nIt should end with ".proto.gz" or ".json".</string>
+    <string name="invalid_backup_file_type">Invalid backup file type: %1$s\nIt should end with ".proto.gz", ".tachibk", or ".json".</string>
     <string name="invalid_backup_file_missing_data">File is missing data.</string>
     <string name="invalid_backup_file_missing_manga">Backup does not contain any manga.</string>
     <string name="backup_restore_missing_sources">Missing sources:</string>