MDEV-17640 UMASK_DIR configuration for mysql_install_db is not applied to mysql database

create mysql and test databases with SQL, not mkdir.

debian/patches/41_scripts__mysql_install_db.sh__no_test.dpatch

@@ -7,14 +7,13 @@
 
 @DPATCH@
 
---- mysql-dfsg-5.1-5.1.23rc.orig/scripts/mysql_install_db.sh	2008-01-29 22:41:20.000000000 +0100
-+++ mysql-dfsg-5.1-5.1.23rc/scripts/mysql_install_db.sh	2008-02-28 10:08:11.000000000 +0100
-@@ -372,7 +372,7 @@ then
- fi
- 
- # Create database directories
--for dir in "$ldata" "$ldata/mysql" "$ldata/test"
-+for dir in "$ldata" "$ldata/mysql"
- do
-   if test ! -d "$dir"
-   then
+--- a/scripts/mysql_install_db.sh
++++ b/scripts/mysql_install_db.sh
+@@ -36,7 +36,6 @@ in_rpm=0
+ ip_only=0
+ cross_bootstrap=0
+ install_params="create database if not exists mysql;
+-create database if not exists test;
+ use mysql;"
+ auth_root_authentication_method=normal
+ auth_root_socket_user='root'

scripts/mysql_install_db.sh

@@ -35,7 +35,9 @@ force=0
 in_rpm=0
 ip_only=0
 cross_bootstrap=0
-install_params=""
+install_params="create database if not exists mysql;
+create database if not exists test;
+use mysql;"
 auth_root_authentication_method=normal
 auth_root_socket_user='root'
 
@@ -431,7 +433,7 @@ then
 fi
 
 # Create database directories
-for dir in "$ldata" "$ldata/mysql" "$ldata/test"
+for dir in "$ldata"
 do
   if test ! -d "$dir"
   then
@@ -493,7 +495,7 @@ SET @auth_root_socket=NULL;" ;;
 SET @skip_auth_root_nopasswd=1;
 SET @auth_root_socket='$auth_root_socket_user';" ;;
 esac
-if { echo "use mysql;$install_params"; cat "$create_system_tables" "$create_system_tables2" "$fill_system_tables"; } | eval "$filter_cmd_line" | mysqld_install_cmd_line > /dev/null
+if { echo "$install_params"; cat "$create_system_tables" "$create_system_tables2" "$fill_system_tables"; } | eval "$filter_cmd_line" | mysqld_install_cmd_line > /dev/null
 then
   s_echo "OK"
 else

support-files/rpm/server-postin.sh

@@ -53,9 +53,6 @@ if [ $1 = 1 ] ; then
   chown -R %{mysqld_user}:%{mysqld_group} $datadir
 
   if [ ! -e $datadir/mysql ]; then
-    # Create data directory
-    mkdir -p $datadir/{mysql,test}
-
     # Initiate databases
     %{_bindir}/mysql_install_db --rpm --user=%{mysqld_user}
   fi