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Contents
module Capistrano
class ExtensionProxy #:nodoc:
def initialize(config, mod)
@config = config
extend(mod)
end
def method_missing(sym, *args, &block)
@config.send(sym, *args, &block)
end
end
# Holds the set of registered plugins, keyed by name (where the name is a
# symbol).
EXTENSIONS = {}
# Register the given module as a plugin with the given name. It will henceforth
# be available via a proxy object on Configuration instances, accessible by
# a method with the given name.
def self.plugin(name, mod)
name = name.to_sym
return false if EXTENSIONS.has_key?(name)
methods = Capistrano::Configuration.public_instance_methods +
Capistrano::Configuration.protected_instance_methods +
Capistrano::Configuration.private_instance_methods
if methods.any? { |m| m.to_sym == name }
raise Capistrano::Error, "registering a plugin named `#{name}' would shadow a method on Capistrano::Configuration with the same name"
end
Capistrano::Configuration.class_eval <<-STR, __FILE__, __LINE__+1
def #{name}
@__#{name}_proxy ||= Capistrano::ExtensionProxy.new(self, Capistrano::EXTENSIONS[#{name.inspect}])
end
STR
EXTENSIONS[name] = mod
return true
end
# Unregister the plugin with the given name.
def self.remove_plugin(name)
name = name.to_sym
if EXTENSIONS.delete(name)
Capistrano::Configuration.send(:remove_method, name)
return true
end
return false
end
def self.configuration(*args) #:nodoc:
warn "[DEPRECATION] Capistrano.configuration is deprecated. Use Capistrano::Configuration.instance instead"
Capistrano::Configuration.instance(*args)
end
end
Version data entries
89 entries across 89 versions & 11 rubygems