Bug#22361702 - /USR/BIN/MYSQL-SYSTEMD-START DOES NOT RETURN CONTROL TO COMMAND LINE

If the configuration files contains multiple datadir lines, use the last datadir
entry in the RPM installation scripts

Author: bkandasa

packaging/rpm-oel/mysql-systemd-start

@@ -12,7 +12,7 @@ get_option () {
     local section=$1
     local option=$2
     local default=$3
-    ret=$(/usr/bin/my_print_defaults $section | grep '^--'${option}'=' | cut -d= -f2-)
+    ret=$(/usr/bin/my_print_defaults $section | grep '^--'${option}'=' | cut -d= -f2- | tail -n 1)
     [ -z "$ret" ] && ret=$default
     echo $ret
 }

packaging/rpm-oel/mysql.spec.in

@@ -626,7 +626,7 @@ rm -r $(readlink var) var
     -c "MySQL Server" -u 27 mysql >/dev/null 2>&1 || :
 
 %post server
-datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p')
+datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p' | tail -n 1)
 /bin/chmod 0755 "$datadir"
 /bin/touch /var/log/mysqld.log
 %if 0%{?systemd}

packaging/rpm-sles/mysql-systemd-start

@@ -10,7 +10,7 @@
 
 install_db () {    
     # Note: something different than datadir=/var/lib/mysql requires SELinux policy changes (in enforcing mode)
-    datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p')
+    datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p' | tail -n 1)
 
     # Restore log, dir, perms and SELinux contexts
     [ -d "$datadir" ] || install -d -m 0755 -omysql -gmysql "$datadir" || exit 1

packaging/rpm-sles/mysql.spec.in

@@ -489,7 +489,7 @@ rm -r $(readlink var) var
     -c "MySQL Server" -u 60 mysql >/dev/null 2>&1 || :
 
 %post server
-datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p')
+datadir=$(/usr/bin/my_print_defaults server mysqld | grep '^--datadir=' | sed -n 's/--datadir=//p' | tail -n 1)
 /bin/chmod 0755 "$datadir"
 /bin/touch /var/log/mysql/mysqld.log
 %if 0%{?systemd}