MDEV-15071 backup does not store xtrabackup_info in the --extra-lsndir directory

extra/mariabackup/backup_copy.cc

@@ -1464,12 +1464,10 @@ bool backup_finish()
 		return(false);
 	}
 
-	if (!write_xtrabackup_info(mysql_connection)) {
+	if (!write_xtrabackup_info(mysql_connection, XTRABACKUP_INFO, opt_history != 0)) {
 		return(false);
 	}
 
-
-
 	return(true);
 }
 

extra/mariabackup/backup_mysql.cc

@@ -1398,7 +1398,7 @@ PERCONA_SCHEMA.xtrabackup_history and writes a new history record to the
 table containing all the history info particular to the just completed
 backup. */
 bool
-write_xtrabackup_info(MYSQL *connection)
+write_xtrabackup_info(MYSQL *connection, const char * filename, bool history)
 {
 
 	char *uuid = NULL;
@@ -1426,7 +1426,7 @@ write_xtrabackup_info(MYSQL *connection)
 		|| xtrabackup_databases_exclude
 		);
 
-	backup_file_printf(XTRABACKUP_INFO,
+	backup_file_printf(filename,
 		"uuid = %s\n"
 		"name = %s\n"
 		"tool_name = %s\n"
@@ -1463,7 +1463,7 @@ write_xtrabackup_info(MYSQL *connection)
 		xb_stream_name[xtrabackup_stream_fmt], /* format */
 		xtrabackup_compress ? "compressed" : "N"); /* compressed */
 
-	if (!opt_history) {
+	if (!history) {
 		goto cleanup;
 	}
 

extra/mariabackup/backup_mysql.h

@@ -68,7 +68,7 @@ bool
 write_binlog_info(MYSQL *connection);
 
 bool
-write_xtrabackup_info(MYSQL *connection);
+write_xtrabackup_info(MYSQL *connection, const char * filename, bool history);
 
 bool
 write_backup_config_file();

extra/mariabackup/xtrabackup.cc

@@ -3513,7 +3513,13 @@ xtrabackup_backup_low()
 			    "to '%s'.\n", filename);
 			return false;
 		}
-
+		sprintf(filename, "%s/%s", xtrabackup_extra_lsndir,
+			XTRABACKUP_INFO);
+		if (!write_xtrabackup_info(mysql_connection, filename, false)) {
+			msg("mariabackup: Error: failed to write info "
+			 "to '%s'.\n", filename);
+			return false;
+		}
 	}
 
 	return true;

mysql-test/suite/mariabackup/extra_lsndir.result

+xtrabackup_checkpoints
+xtrabackup_info

mysql-test/suite/mariabackup/extra_lsndir.test

+let $targetdir=$MYSQLTEST_VARDIR/tmp/backup;
+let $extra_lsndir=$MYSQLTEST_VARDIR/tmp/extra_lsndir;
+mkdir $extra_lsndir;
+--disable_result_log
+exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --target-dir=$targetdir --extra-lsndir=$extra_lsndir;
+--enable_result_log
+list_files $extra_lsndir;
+rmdir $extra_lsndir;
+rmdir $targetdir;