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我試圖按照this guide在ubuntu（12.10）上使用nginx，unicorn和capistrano設置rails棧。我決定使用RVM進行ruby安裝。capistrano部署 - 基本命令失敗
我至今裝什麼：
- 所有依賴庫（ImageMagick的，混帳，MySQL的服務器等）
- nginx的（1.2.1）
- RVM（1.17）和紅寶石（ 1.9.2）
- 寶石：導軌（3.1.6），麒麟（4.4.0），Capistrano的（2.13.5），...
在本地，我進入
$ capify .
奏效（在頂部提到的部署指南，其第8頁）
但我被困在接下來的部分「帽子部署：安裝」（上指導，第12頁） ：
$ 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>'
它似乎它不依賴於部署：設置。
我嘗試了隨機其他一些Capistrano的命令，我總是得到相同的錯誤消息「您必須指定一個值或塊（引發ArgumentError）中只有一個」
任何想法？