mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
21 lines
321 B
Ruby
21 lines
321 B
Ruby
# frozen_string_literal: true
|
|
|
|
require "socket"
|
|
|
|
module Homebrew
|
|
# Helper function for finding a free port.
|
|
#
|
|
# @api private
|
|
module FreePort
|
|
# Returns a free port.
|
|
# @api public
|
|
def free_port
|
|
server = TCPServer.new 0
|
|
_, port, = server.addr
|
|
server.close
|
|
|
|
port
|
|
end
|
|
end
|
|
end
|