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mackbook安装brew报错failed to connect to raw githubusercontent com port 443 operation timed out

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---
title: "mackbook安装brew报错Failed to connect to raw.githubusercontent.com port 443: Operation timed out"
date: 2019-11-04 08:02:44
categories: mac
tags:
- 报错
- 安装
- mac
- macbook
- github
- 脚本
- brew
- 443
- time out
- 翻墙
- ruby
---

今天在macbook上安装brew，安装命令为

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

但是一直报错Failed to connect to raw.githubusercontent.com port 443: Operation timed out

原本以是网不好，结果试了N次都不行。后来发现直接在浏览器上访问https://raw.githubusercontent.com/Homebrew/install/master/install也访问不了。。好吧，这个网址被墙了，只能翻墙才能访问到这个网址的内容，其实就是一个脚本。现在我把脚本内容贴出来。希望对无法翻墙的朋友有用。

将下面脚本复制后，保存为名为brew_install的文件。然后执行/usr/bin/ruby brew_install即可成功安装。

#!/usr/bin/ruby

# This script installs to /usr/local only. To install elsewhere (which is

# unsupported) you can untar https://github.com/Homebrew/brew/tarball/master

# anywhere you like.

HOMEBREW_PREFIX = "/usr/local".freeze

HOMEBREW_REPOSITORY = "/usr/local/Homebrew".freeze

HOMEBREW_CACHE = "#{ENV["HOME"]}/Library/Caches/Homebrew".freeze

BREW_REPO = "https://github.com/Homebrew/brew".freeze

# TODO: bump version when new macOS is released

MACOS_LATEST_SUPPORTED = "10.15".freeze

# TODO: bump version when new macOS is released

MACOS_OLDEST_SUPPORTED = "10.13".freeze


# no analytics during installation

ENV["HOMEBREW_NO_ANALYTICS_THIS_RUN"] = "1"

ENV["HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT"] = "1"


# get nicer global variables

require "English"


module Tty

  module_function


  def blue

    bold 34

  end


  def red

    bold 31

  end


  def reset

    escape 0

  end


  def bold(code = 39)

    escape "1;#{code}"

  end


  def underline

    escape "4;39"

  end


  def escape(code)

    "\033[#{code}m" if STDOUT.tty?

  end

end


class Array

  def shell_s

    cp = dup

    first = cp.shift

    cp.map { |arg| arg.gsub " ", "\\ " }.unshift(first).join(" ")

  end

end


def ohai(*args)

  puts "#{Tty.blue}==>#{Tty.bold} #{args.shell_s}#{Tty.reset}"

end


def warn(warning)

  puts "#{Tty.red}Warning#{Tty.reset}: #{warning.chomp}"

end


def system(*args)

  abort "Failed during: #{args.shell_s}" unless Kernel.system(*args)

end


def sudo(*args)

  args.unshift("-A") unless ENV["SUDO_ASKPASS"].nil?

  ohai "/usr/bin/sudo", *args

  system "/usr/bin/sudo", *args

end


def getc

  system "/bin/stty raw -echo"

  if STDIN.respond_to?(:getbyte)

    STDIN.getbyte

  else

    STDIN.getc

  end

ensure

  system "/bin/stty -raw echo"

end


def wait_for_user

  puts

  puts "Press RETURN to continue or any other key to abort"

  c = getc

  # we test for \r and \n because some stuff does \r instead

  abort unless (c == 13) || (c == 10)

end


class Version

  include Comparable

  attr_reader :parts


  def initialize(str)

    @parts = str.split(".").map(&:to_i)

  end


  def <=>(other)

    parts <=> self.class.new(other).parts

  end


  def to_s

    parts.join(".")

  end

end


def macos_version

  @macos_version ||= Version.new(`/usr/bin/sw_vers -productVersion`.chomp[/10\.\d+/])

end


def should_install_command_line_tools?

  if macos_version > "10.13"

    !File.exist?("/Library/Developer/CommandLineTools/usr/bin/git")

  else

    !File.exist?("/Library/Developer/CommandLineTools/usr/bin/git") ||

      !File.exist?("/usr/include/iconv.h")

  end

end


def user_only_chmod?(path)

  return false unless File.directory?(path)


  mode = File.stat(path).mode & 0777

  # u = (mode >> 6) & 07

  # g = (mode >> 3) & 07

  # o = (mode >> 0) & 07

  mode != 0755

end


def chmod?(path)

  File.exist?(path) && !(File.readable?(path) && File.writable?(path) && File.executable?(path))

end


def chown?(path)

  !File.owned?(path)

end


def chgrp?(path)

  !File.grpowned?(path)

end


# USER isn't always set so provide a fall back for the installer and subprocesses.

ENV["USER"] ||= `id -un`.chomp


# Invalidate sudo timestamp before exiting (if it wasn't active before).

Kernel.system "/usr/bin/sudo -n -v 2>/dev/null"

at_exit { Kernel.system "/usr/bin/sudo", "-k" } unless $CHILD_STATUS.success?


# The block form of Dir.chdir fails later if Dir.CWD doesn't exist which I

# guess is fair enough. Also sudo prints a warning message for no good reason

Dir.chdir "/usr"


####################################################################### script

if RUBY_PLATFORM.to_s.downcase.include?("linux")

  abort <<-EOABORT

  To install Linuxbrew, paste at a terminal prompt:

    sh -c "$(curl -fsSL https://raw.githubusercontent.com/Linuxbrew/install/master/install.sh)"

  EOABORT

elsif macos_version < "10.7"

  abort <<-EOABORT

Your Mac OS X version is too old. See:

  #{Tty.underline}https://github.com/mistydemeo/tigerbrew#{Tty.reset}"

  EOABORT

elsif macos_version < "10.9"

  abort "Your OS X version is too old"

elsif Process.uid.zero?

  abort "Don't run this as root!"

elsif !`dsmemberutil checkmembership -U "#{ENV["USER"]}" -G admin`.include?("user is a member")

  abort "This script requires the user #{ENV["USER"]} to be an Administrator."

elsif File.directory?(HOMEBREW_PREFIX) && (!File.executable? HOMEBREW_PREFIX)

  abort <<-EOABORT

The Homebrew prefix, #{HOMEBREW_PREFIX}, exists but is not searchable. If this is

not intentional, please restore the default permissions and try running the

installer again:

    sudo chmod 775 #{HOMEBREW_PREFIX}

  EOABORT

# TODO: bump version when new macOS is released

elsif macos_version > MACOS_LATEST_SUPPORTED || macos_version < MACOS_OLDEST_SUPPORTED

  who = "We"

  if macos_version > MACOS_LATEST_SUPPORTED

    what = "pre-release version"

  elsif macos_version < MACOS_OLDEST_SUPPORTED

    who << " (and Apple)"

    what = "old version"

  else

    return

  end

  ohai "You are using macOS #{macos_version.parts.join(".")}."

  ohai "#{who} do not provide support for this #{what}."


  puts <<-EOS

This installation may not succeed.

After installation, you will encounter build failures with some formulae.

Please create pull requests instead of asking for help on Homebrew's GitHub,

Discourse, Twitter or IRC. You are responsible for resolving any issues you

experience while you are running this #{what}.


  EOS

end


ohai "This script will install:"

puts "#{HOMEBREW_PREFIX}/bin/brew"

puts "#{HOMEBREW_PREFIX}/share/doc/homebrew"

puts "#{HOMEBREW_PREFIX}/share/man/man1/brew.1"

puts "#{HOMEBREW_PREFIX}/share/zsh/site-functions/_brew"

puts "#{HOMEBREW_PREFIX}/etc/bash_completion.d/brew"

puts HOMEBREW_REPOSITORY.to_s


# Keep relatively in sync with

# https://github.com/Homebrew/brew/blob/master/Library/Homebrew/keg.rb

group_chmods = %w[bin etc include lib sbin share opt var

                  Frameworks

                  etc/bash_completion.d lib/pkgconfig

                  share/aclocal share/doc share/info share/locale share/man

                  share/man/man1 share/man/man2 share/man/man3 share/man/man4

                  share/man/man5 share/man/man6 share/man/man7 share/man/man8

                  var/log var/homebrew var/homebrew/linked

                  bin/brew]

               .map { |d| File.join(HOMEBREW_PREFIX, d) }

               .select { |d| chmod?(d) }

# zsh refuses to read from these directories if group writable

zsh_dirs = %w[share/zsh share/zsh/site-functions]

           .map { |d| File.join(HOMEBREW_PREFIX, d) }

mkdirs = %w[bin etc include lib sbin share var opt

            share/zsh share/zsh/site-functions

            var/homebrew var/homebrew/linked

            Cellar Caskroom Homebrew Frameworks]

         .map { |d| File.join(HOMEBREW_PREFIX, d) }

         .reject { |d| File.directory?(d) }


user_chmods = zsh_dirs.select { |d| user_only_chmod?(d) }

chmods = group_chmods + user_chmods

chowns = chmods.select { |d| chown?(d) }

chgrps = chmods.select { |d| chgrp?(d) }


unless group_chmods.empty?

  ohai "The following existing directories will be made g