mina 'execute_as' patch

mina_execute_as.rb

module Mina
  module SshHelpers
    def ssh(cmd, options={})
      require 'shellwords'

      cmd = cmd.join("\n")  if cmd.is_a?(Array)
      # monkey patch
      cmd = "sudo -u #{Shellwords.escape(execute_as)} bash -c #{Shellwords.escape(cmd)}" if execute_as?
      # end
      script = Shellwords.escape(cmd)

      if options[:return] == true
        `#{ssh_command} -- #{script}`

      elsif simulate_mode?
        Ssh.simulate(cmd, ssh_command)

      else
        result = Ssh.invoke(script, self)
        Ssh.ensure_successful result, self
      end
    end
  end
end

# Usage
set :execute_as, 'user'