How can I set the shell in the Capistrano run command to use bash instead of sh? I am trying to install RVM and I need to execute the command: run "bash < <(curl -L http://bit.ly/rvm-install-system-wide)" as in: task :install_rvm, :roles => :server do apps = %w(bison openssl libreadline6 libreadline6-dev zlib1g zlib1g-dev libssl-dev libyaml-dev sqlite3 libsqlite3-0 libxml2-dev libxslt-dev autoconf