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我试图按照this guide在ubuntu（12.10）上使用nginx，unicorn和capistrano设置rails栈。我决定使用RVM进行ruby安装。capistrano部署 - 基本命令失败
我至今装什么：
- 所有依赖库（ImageMagick的，混帐，MySQL的服务器等）
- nginx的（1.2.1）
- RVM（1.17）和红宝石（ 1.9.2）
- 宝石：导轨（3.1.6），麒麟（4.4.0），Capistrano的（2.13.5），...
在本地，我进入
$ capify .
奏效（在顶部提到的部署指南，其第8页）
但我被困在接下来的部分“帽子部署：安装”（上指导，第12页） ：
$ cap deploy:setup
/Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/variables.rb:26:in `set': you must specify exactly one of either a value or a block (ArgumentError)
from ./config/deploy.rb:4:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:93:in `instance_eval'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:93:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:172:in `load_from_file'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:89:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:86:in `block in load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:86:in `each'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:86:in `load'
from Capfile:4:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:93:in `instance_eval'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:93:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:172:in `load_from_file'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:89:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:86:in `block in load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:86:in `each'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/configuration/loading.rb:86:in `load'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/cli/execute.rb:65:in `block in load_recipes'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/cli/execute.rb:65:in `each'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/cli/execute.rb:65:in `load_recipes'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/cli/execute.rb:31:in `execute!'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/lib/capistrano/cli/execute.rb:14:in `execute'
from /Users/chuck/.rvm/gems/[email protected]/gems/capistrano-2.13.5/bin/cap:4:in `<top (required)>'
from /Users/chuck/.rvm/gems/[email protected]/bin/cap:19:in `load'
from /Users/chuck/.rvm/gems/[email protected]/bin/cap:19:in `<main>'
它似乎它不依赖于部署：设置。
我尝试了随机其他一些Capistrano的命令，我总是得到相同的错误消息“您必须指定一个值或块（引发ArgumentError）中只有一个”
任何想法？