1
所以在Capistrano的我deploy.rb脚本启动这样的,我的猜测是相当正常:如何从类访问“全局”(常量?)capistrano变量? (红宝石)
require 'capistrano/ext/multistage'
require 'nokogiri'
require 'curb'
require 'json'
# override capistrano defaults
set :use_sudo, false
set :normalize_asset_timestamps, false
# some constant of mine
set :my_constant, "foo_bar"
后来,我可以命名空间内访问我不断在功能或任务,如:
namespace :mycompany do
def some_function()
run "some_command #{my_constant}"
end
desc <<-DESC
some task description
DESC
task :some_task do
run "some_command #{my_constant}"
end
end
不过,如果我使用常量一类,像这样:
namespace :mycompany do
class SomeClass
def self.some_static_method()
run "some_command #{my_constant}"
end
end
end
它失败:
/config/deploy.rb:120:in `some_static_method': undefined local variable or method `my_constant' for #<Class:0x000000026234f8>::SomeClass (NameError)
我在做什么错? 谢谢