Automattic / jetpack

		$media_item = get_post( $media_id );

		$has_original_media = self::get_original_media( $media_id );

		if ( ! $has_original_media ) {

			// The first time that the media is updated

			// the original media is stored into the revision_history

			$snapshot = self::get_snapshot( $media_item );

			add_post_meta( $media_id, self::$WP_ORIGINAL_MEDIA, $snapshot, true );

		}

		// save temporary file in the correct location

		$uploaded_file = self::save_temporary_file( $file_array, $media_id );

			$has_original_media = Jetpack_Media::get_original_media( $media_id );

			if ( ! $has_original_media ) {

				// The first time that the media is updated

				// the original media is stored into the revision_history

				$snapshot = $this->get_snapshot( $media_item );

				add_post_meta( $media_id, Jetpack_Media::$WP_ORIGINAL_MEDIA, $snapshot, true );

			}

			// save the temporal file locally

			$temporal_file = $media_file ? $media_file : $this->build_file_array_from_url( $media_id, $media_url );