我如何设置shell来砸在Capistrano的运行吗？

问题描述

我怎样才能设置在Capistrano的运行命令shell将使用bash而不是SH？
我试图安装RVM，我需要执行命令：

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)"

在

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 subversion libcurl4-openssl-dev)
  apt.install( {:base => apps}, :stable )
  run "bash < <(curl -L http://bit.ly/rvm-install-system-wide)"
  run "rvm install 1.9.2".sh
  run "rvm use 1.9.2@global"
  run "gem install awesome_print map_by_method wirble bundler builder pg cheat"
  run "gem install -v2.1.2 builder"
  # modify .bashrc
end

但我似乎无法得到它的工作，因为Capistrano的是执行：

But I just can't seem to get it to work because Capistrano is executing:

"sh -c 'bash < <(curl -L http://bit.ly/rvm-install-system-wide)'" on ubuntu@ec2...

我在Capistrano的宝石看到command.rb文件有一些code像

I see in the Capistrano gem the command.rb file has some code like

shell = "#{options[:shell] || "sh"} -c"

但我不清楚如何通过选项[：外壳] 的任务

推荐答案

设置：外壳不工作，但工作原理：

set :shell is not working, but that works:

default_run_options [：外壳] ='/斌/ bash的

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