adammalone.aliases.drushrc.php

<?php

$adam = array(
  'remote-host' => 'adammalone.net',
  'root' => '/var/www/html/adammalone/docroot',
  'uri' => 'adammalone.net',
  'strict' => 0,
  'path-aliases' => array(
    '%dump-dir' => '/home/adammalone/.drush/dumps',
    '%files' => 'sites/default/files',
  ),
  'env' => 'prod',
  '#prod' => '@adammalone.prod',
);

$aliases['adammalone.prod'] = $adam;

$aliases['adammalone.test'] = array(
  'remote-host' => 'dev.adammalone.net',
  'env' => 'test',
) + $adam;

$aliases['adammalone.dev'] = array(
  'root' => '/Users/adam.malone/sites/adammalone.net',
  'env' => 'dev',
) + $adam;

unset($aliases['adammalone.dev']['remote-host']);