module Capistrano
class ServerDefinition
include Comparable
attr_reader :host
attr_reader :user
attr_reader :port
attr_reader :options
# The default user name to use when a user name is not explicitly provided
def self.default_user
ENV['USER'] || ENV['USERNAME'] || "not-specified"
end
def initialize(string, options={})
@user, @host, @port = string.match(/^(?:([^;,:=]+)@|)(.*?)(?::(\d+)|)$/)[1,3]
@options = options.dup
user_opt, port_opt = @options.delete(:user), @options.delete(:port)
@user ||= user_opt
@port ||= port_opt
@port = @port.to_i if @port
end
def <=>(server)
[host, port, user] <=> [server.host, server.port, server.user]
end
# Redefined, so that Array#uniq will work to remove duplicate server
# definitions, based solely on their host names.
def eql?(server)
host == server.host &&
user == server.user &&
port == server.port
end
alias :== :eql?
# Redefined, so that Array#uniq will work to remove duplicate server
# definitions, based on their connection information.
def hash
@hash ||= [host, user, port].hash
end
def to_s
@to_s ||= begin
s = host
s = "#{user}@#{s}" if user
s = "#{s}:#{port}" if port && port != 22
s
end
end
end
end
