capistrano/lib/capistrano/configuration/role_filter.rb

31 lines
680 B
Ruby

module Capistrano
class Configuration
class RoleFilter
def initialize values
av = Array(values).dup
av.map! { |v| v.is_a?(String) ? v.split(",") : v }
av.flatten!
@rex = regex_matcher(av)
end
def filter servers
Array(servers).select { |s| s.is_a?(String) ? false : s.roles.any? { |r| @rex.match r } }
end
private
def regex_matcher(values)
values.map! do |v|
case v
when Regexp then v
else
vs = v.to_s
vs =~ %r{^/(.+)/$} ? Regexp.new($1) : %r{^#{vs}$}
end
end
Regexp.union values
end
end
end
end