Merge branch 'mysql-5.6' into mysql-5.7

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-fedora/mysql.spec.in

@@ -506,7 +506,7 @@ 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" >/dev/null 2>&1 || :
 /bin/touch /var/log/mysqld.log >/dev/null 2>&1 || :
 %systemd_post mysqld.service

packaging/rpm-oel/mysql.init

@@ -37,7 +37,7 @@ extra_opts="$@"
 # We use my_print_defaults which prints all options from multiple files,
 # with the more specific ones later; hence take the last match.
 get_mysql_option(){
-	result=`/usr/bin/my_print_defaults "$1" | sed -n "s/^--$2=//p" | tail -n 1`
+	result=$(/usr/bin/my_print_defaults "$1" | sed -n "s/^--$2=//p" | tail -n 1)
 	if [ -z "$result" ]; then
 	    # not found, use default
 	    result="$3"

packaging/rpm-oel/mysql.spec.in

@@ -677,7 +677,7 @@ 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 0751 "$datadir" >/dev/null 2>&1 || :
 /bin/touch /var/log/mysqld.log >/dev/null 2>&1 || :
 %if 0%{?systemd}

packaging/rpm-sles/mysql.init

@@ -60,7 +60,7 @@ 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-sles/mysql.spec.in

@@ -502,7 +502,7 @@ rm -r $(readlink var) var
 %endif
 
 %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 0751 "$datadir"
 /bin/touch /var/log/mysql/mysqld.log
 %if 0%{?systemd}

scripts/systemd/mysqld_pre_systemd.in

@@ -22,7 +22,7 @@ get_option () {
     local section=$1
     local option=$2
     local default=$3
-    ret=$(@bindir@/my_print_defaults $section | grep '^--'${option}'=' | cut -d= -f2-)
+    ret=$(@bindir@/my_print_defaults $section | grep '^--'${option}'=' | cut -d= -f2- | tail -n 1)
     [ -z "$ret" ] && ret=$default
     echo $ret
 }