MDEV-14102 restore --remove-original options for mariabackup

extra/mariabackup/xtrabackup.cc

@@ -837,6 +837,11 @@ struct my_option xb_client_options[] =
    (uchar*) &opt_incremental_history_uuid, 0, GET_STR,
    REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
 
+  {"remove-original", OPT_REMOVE_ORIGINAL, "Remove .qp files after decompression.",
+   (uchar *) &opt_remove_original,
+   (uchar *) &opt_remove_original,
+   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
+
   {"ftwrl-wait-query-type", OPT_LOCK_WAIT_QUERY_TYPE,
    "This option specifies which types of queries are allowed to complete "
    "before innobackupex will issue the global lock. Default is all.",

mysql-test/suite/mariabackup/compress_qpress.result

+CREATE TABLE t(i INT) ENGINE INNODB;
+INSERT INTO t VALUES(1);
+# xtrabackup backup
+INSERT INTO t VALUES(2);
+# xtrabackup prepare
+t.frm.qp
+t.ibd.qp
+# shutdown server
+# remove datadir
+# xtrabackup move back
+# restart server
+SELECT * FROM t;
+i
+1
+DROP TABLE t;

mysql-test/suite/mariabackup/compress_qpress.test

+CREATE TABLE t(i INT) ENGINE INNODB;
+INSERT INTO t VALUES(1);
+echo # xtrabackup backup;
+let $targetdir=$MYSQLTEST_VARDIR/tmp/backup;
+
+--disable_result_log
+exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --compress --target-dir=$targetdir;
+--enable_result_log
+
+INSERT INTO t VALUES(2);
+
+
+echo # xtrabackup prepare;
+--disable_result_log
+list_files  $targetdir/test *.qp;
+exec $XTRABACKUP --decompress --remove-original --target-dir=$targetdir;
+list_files  $targetdir/test *.qp;
+exec $XTRABACKUP  --prepare --target-dir=$targetdir;
+-- source include/restart_and_restore.inc
+--enable_result_log
+
+SELECT * FROM t;
+DROP TABLE t;
+rmdir $targetdir;

mysql-test/suite/mariabackup/suite.pm

@@ -3,6 +3,7 @@ package My::Suite::MariaBackup;
 @ISA = qw(My::Suite);
 use My::Find;
 use File::Basename;
+use File::Which;
 use strict;
 
 return "Not run for embedded server" if $::opt_embedded_server;
@@ -26,6 +27,7 @@ $ENV{INNOBACKUPEX}= "$mariabackup_exe --innobackupex";
 sub skip_combinations {
   my %skip;
   $skip{'include/have_file_key_management.inc'} = 'needs file_key_management plugin'  unless $ENV{FILE_KEY_MANAGEMENT_SO};
+  $skip{'compress_qpress.test'}= 'needs qpress executable in PATH' unless which 'qpress';
   %skip;
 }