mariadb-server: support mpkg/mdmg packaging with scripts to automatic…

…ally instantiate and

start the deployed server.  Refs #52144

databases/mariadb/Portfile

@@ -259,6 +259,26 @@ subport ${name_mysql}-server {
             ${destroot}${prefix}/var/run/${name_mysql}
     }
 
+    pre-pkg {
+        xinstall -m 0755 ${filespath}/preinstall ${filespath}/postinstall \
+            ${package.scripts}/
+        reinplace -locale C "s|@SUBPORT@|${subport}|g" \
+            ${package.scripts}/preinstall ${package.scripts}/postinstall
+        reinplace -locale C "s|@NAMEMYSQL@|${name_mysql}|g" \
+            ${package.scripts}/preinstall ${package.scripts}/postinstall
+        reinplace -locale C "s|@PREFIX@|${prefix}|g" \
+            ${package.scripts}/preinstall ${package.scripts}/postinstall
+        reinplace -locale C "s|@USER@|${mysqluser}|g" \
+            ${package.scripts}/postinstall
+
+        # give installer splash screen a friendly message
+        long_description \
+            MariaDB is a fast, scalable and robust relational database providing an SQL \
+            interface for accessing structured data and is made by the original developers \
+            of MySQL.  Install prefix: ${prefix}
+
+    }
+
     notes "
 If this is a new install you might want to run:
 

databases/mariadb/files/postinstall

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# MariaDB installer support, postinstall script
+# runs as root after installer successfully copies payload to destination
+# Adapted from https://github.com/MariaDB/server/blob/5.5/support-files/MacOSX/postflight.sh
+
+# Have experienced cases where installed directories/files have different 
+# ownership or permissions than what was fed to PackageMaker.
+# Just use blunt force to set the required permissions
+
+chmod 644 @PREFIX@/etc/LaunchDaemons/org.macports.@SUBPORT@/org.macports.@SUBPORT@.plist || exit 1
+if [ -f /Library/LaunchDaemons/org.macports.@SUBPORT@.plist ] ; then
+   rm /Library/LaunchDaemons/org.macports.@SUBPORT@.plist
+fi
+ln -s @PREFIX@/etc/LaunchDaemons/org.macports.@SUBPORT@/org.macports.@SUBPORT@.plist \
+    /Library/LaunchDaemons/org.macports.@SUBPORT@.plist || exit 1
+
+chown _mysql:_mysql @PREFIX@/var/run/@NAMEMYSQL@ || exit 1
+chown _mysql:_mysql @PREFIX@/var/db/@NAMEMYSQL@ || exit 1
+chown _mysql:_mysql @PREFIX@/var/log/@NAMEMYSQL@ || exit 1
+
+
+# standard mysql initialization
+if [ ! -f @PREFIX@/var/db/@NAMEMYSQL@/mysql/db.frm ] ; then
+    @PREFIX@/lib/@NAMEMYSQL@/bin/mysql_install_db --user=@USER@ \
+    --datadir=@PREFIX@/var/db/@NAMEMYSQL@ \
+    --tmpdir=@PREFIX@/var/db/@NAMEMYSQL@
+fi
+
+# we should be able to trust that preinstall did this, but...
+# just in case still loaded, unload
+if /bin/launchctl list "org.macports.@SUBPORT@" &> /dev/null; then
+    /bin/launchctl unload "/Library/LaunchDaemons/org.macports.@SUBPORT@.plist"
+fi
+
+# my.cnf may not be in place yet, but the server will run anyway
+/bin/launchctl load -w /Library/LaunchDaemons/org.macports.@SUBPORT@.plist 

databases/mariadb/files/preinstall

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# MariaDB installer support, preinstall script
+# runs as root just after user clicks "Install"
+
+# if daemon loaded, unload
+if /bin/launchctl list "org.macports.@SUBPORT@" &> /dev/null; then
+    /bin/launchctl unload "/Library/LaunchDaemons/org.macports.@SUBPORT@.plist"
+fi