class Railsless::ActiveRecord::Root
Public Class Methods
calculate(flag_file=nil, start_from=nil)
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# File lib/railsless/active_record/root.rb, line 11 def self.calculate(flag_file=nil, start_from=nil) find_root_with_flag( flag_file || 'config.ru', # Look for something signifying Rack. Not much else to go on. start_from || Dir.pwd # Yes, Rails does this. ) end
find_root_with_flag(flag, starting_path)
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Starts from a directory, and works upwards looking for a particular file.
# File lib/railsless/active_record/root.rb, line 19 def self.find_root_with_flag(flag, starting_path) # This process if only useful if the starting_path is an absolute path. path = if starting_path[0] == '/' starting_path else File.absolute_path(starting_path) # Relative; turn into absolute path end while path && File.directory?(path) && !File.exist?("#{path}/#{flag}") parent = File.dirname(path) path = (parent != path) && parent end if path && File.exist?("#{path}/#{flag}") File.realpath path else raise "Could not find root path for hosting application" end end