Method: FileUtils.mkdir_p

Defined in:

lib/fileutils.rb

.mkdir_p(list, mode: nil, noop: nil, verbose: nil) ⇒ Object

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

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

causes to make following directories, if they do not exist.

• /usr

• /usr/local

• /usr/local/lib

• /usr/local/lib/ruby

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

# File 'lib/fileutils.rb', line 206

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

  list.map {|path| remove_trailing_slash(path)}.each do |path|
    # optimize for the most common case
    begin
      fu_mkdir path, 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.pop                 # root directory should exist
    stack.reverse_each do |dir|
      begin
        fu_mkdir dir, mode
      rescue SystemCallError
        raise unless File.directory?(dir)
      end
    end
  end

  return *list
end