FIX: add port information when backuping/restoring

lib/backup_restore.rb

@@ -99,7 +99,7 @@ module BackupRestore
     SQL
   end
 
-  DatabaseConfiguration = Struct.new(:host, :username, :password, :database)
+  DatabaseConfiguration = Struct.new(:host, :port, :username, :password, :database)
 
   def self.database_configuration
     config = Rails.env.production? ? ActiveRecord::Base.connection_pool.spec.config : Rails.configuration.database_configuration[Rails.env]
@@ -107,6 +107,7 @@ module BackupRestore
 
     DatabaseConfiguration.new(
       config["host"],
+      config["port"],
       config["username"] || ENV["USER"] || "postgres",
       config["password"],
       config["database"]

lib/export/exporter.rb

@@ -172,6 +172,7 @@ module Export
 
       password_argument = "PGPASSWORD=#{db_conf.password}" if db_conf.password.present?
       host_argument     = "--host=#{db_conf.host}"         if db_conf.host.present?
+      port_argument     = "--port=#{db_conf.port}"         if db_conf.port.present?
       username_argument = "--username=#{db_conf.username}" if db_conf.username.present?
 
       [ password_argument,            # pass the password to pg_dump (if any)
@@ -182,6 +183,7 @@ module Export
         "--no-privileges",            # prevent dumping of access privileges
         "--verbose",                  # specifies verbose mode
         host_argument,                # the hostname to connect to (if any)
+        port_argument,                # the port to connect to (if any)
         username_argument,            # the username to connect as (if any)
         db_conf.database              # the name of the database to dump
       ].join(" ")

lib/import/importer.rb

@@ -218,6 +218,7 @@ module Import
 
       password_argument = "PGPASSWORD=#{db_conf.password}" if db_conf.password.present?
       host_argument     = "--host=#{db_conf.host}"         if db_conf.host.present?
+      port_argument     = "--port=#{db_conf.port}"         if db_conf.port.present?
       username_argument = "--username=#{db_conf.username}" if db_conf.username.present?
 
       [ password_argument,                # pass the password to psql (if any)
@@ -226,6 +227,7 @@ module Import
         "--file='#{@dump_filename}'",     # read the dump
         "--single-transaction",           # all or nothing (also runs COPY commands faster)
         host_argument,                    # the hostname to connect to (if any)
+        port_argument,                # the port to connect to (if any)
         username_argument                 # the username to connect as (if any)
       ].join(" ")
     end