FEATURE: Allow overriding the backup location when restoring via CLI (#12015)

You can use `discourse restore --location=local FILENAME` if you want to restore a backup that is stored locally even though the `backup_location` has the value `s3`.

lib/backup_restore/backup_file_handler.rb

@@ -6,12 +6,13 @@ module BackupRestore
 
     delegate :log, to: :@logger, private: true
 
-    def initialize(logger, filename, current_db, root_tmp_directory = Rails.root)
+    def initialize(logger, filename, current_db, root_tmp_directory = Rails.root, location = nil)
       @logger = logger
       @filename = filename
       @current_db = current_db
       @root_tmp_directory = root_tmp_directory
       @is_archive = !(@filename =~ /\.sql\.gz$/)
+      @store_location = location
     end
 
     def decompress
@@ -48,7 +49,7 @@ module BackupRestore
     end
 
     def copy_archive_to_tmp_directory
-      store = BackupRestore::BackupStore.create
+      store = BackupRestore::BackupStore.create(location: @store_location)
 
       if store.remote?
         log "Downloading archive to tmp directory..."

lib/backup_restore/backup_store.rb

@@ -8,7 +8,7 @@ module BackupRestore
 
     # @return [BackupStore]
     def self.create(opts = {})
-      case SiteSetting.backup_location
+      case opts[:location] || SiteSetting.backup_location
       when BackupLocationSiteSetting::LOCAL
         require_dependency "backup_restore/local_backup_store"
         BackupRestore::LocalBackupStore.new(opts)

lib/backup_restore/factory.rb

@@ -27,8 +27,8 @@ module BackupRestore
       MetaDataHandler.new(logger, filename, tmp_directory)
     end
 
-    def create_backup_file_handler(filename, current_db)
-      BackupFileHandler.new(logger, filename, current_db)
+    def create_backup_file_handler(filename, current_db, location)
+      BackupFileHandler.new(logger, filename, current_db, location)
     end
   end
 end

lib/backup_restore/restorer.rb

@@ -9,7 +9,7 @@ module BackupRestore
 
     attr_reader :success
 
-    def initialize(user_id:, filename:, factory:, disable_emails: true)
+    def initialize(user_id:, filename:, factory:, disable_emails: true, location:)
       @user_id = user_id
       @filename = filename
       @factory = factory
@@ -24,7 +24,7 @@ module BackupRestore
       @current_db = RailsMultisite::ConnectionManagement.current_db
 
       @system = factory.create_system_interface
-      @backup_file_handler = factory.create_backup_file_handler(@filename, @current_db)
+      @backup_file_handler = factory.create_backup_file_handler(@filename, @current_db, location)
       @database_restorer = factory.create_database_restorer(@current_db)
       @uploads_restorer = factory.create_uploads_restorer
     end