Method: FileUtils.mkdir_p

Defined in:
lib/fileutils.rb

.mkdir_p(list, options = {}) ⇒ Object

Options: mode noop verbose

Creates a directory and all its parent directories. For example,

FileUtils.mkdir_p '/usr/local/lib/ruby'

causes to make following directories, if it does not exist.

* /usr
* /usr/local
* /usr/local/lib
* /usr/local/lib/ruby

You can pass several directories at a time in a list.



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# File 'lib/fileutils.rb', line 204

def mkdir_p(list, options = {})
  fu_check_options options, OPT_TABLE['mkdir_p']
  list = fu_list(list)
  fu_output_message "mkdir -p #{options[:mode] ? ('-m %03o ' % options[:mode]) : ''}#{list.join ' '}" if options[:verbose]
  return *list if options[:noop]

  list.map {|path| remove_tailing_slash(path)}.each do |path|
    # optimize for the most common case
    begin
      fu_mkdir path, options[:mode]
      next
    rescue SystemCallError
      next if File.directory?(path)
    end

    stack = []
    until path == stack.last   # dirname("/")=="/", dirname("C:/")=="C:/"
      stack.push path
      path = File.dirname(path)
    end
    stack.reverse_each do |dir|
      begin
        fu_mkdir dir, options[:mode]
      rescue SystemCallError
        raise unless File.directory?(dir)
      end
    end
  end

  return *list
end