Added :as option to sudo so you can specify who a command should be e…

…xecuted as

git-svn-id: http://svn.rubyonrails.org/rails/tools/capistrano@5145 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

CHANGELOG

@@ -1,3 +1,7 @@
+*SVN*
+
+* Added :as option to sudo, so you can specify who the command is executed as [Mark Imbriaco]
+
 *1.2.0* (September 14, 2006)
 
 * Add experimental 'shell' task [Jamis Buck]

lib/capistrano/actor.rb

@@ -277,9 +277,10 @@ def sudo(command, options={}, &block)
       # in order to prevent _each host_ from prompting when the password was
       # wrong, let's track which host prompted first and only allow subsequent
       # prompts from that host.
-      prompt_host = nil
+      prompt_host = nil      
+      user = options[:as].nil? ? '' : "-u #{options[:as]}"
 
-      run "#{sudo_command} #{command}", options do |ch, stream, out|
+      run "#{sudo_command} #{user} #{command}", options do |ch, stream, out|
         if out =~ /^Password:/
           ch.send_data "#{password}\n"
         elsif out =~ /try again/