skyl · October 28, 2024 14:17 · Feb 23, 2015
diff --git a/install.rb b/install.rb
@@ -0,0 +1,227 @@
+#!/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby
+
+# SET YOUR_HOME TO THE ABSOLUTE PATH OF YOUR HOME DIRECTORY
+# chmod +x install.rb
+# ./install.rb
+YOUR_HOME = ''
+
+HOMEBREW_PREFIX = "#{YOUR_HOME}/usr/local"
+HOMEBREW_CACHE = '/Library/Caches/Homebrew'
+HOMEBREW_REPO = 'https://github.com/Homebrew/homebrew'
+
+module Tty extend self
+  def blue; bold 34; end
+  def white; bold 39; end
+  def red; underline 31; end
+  def reset; escape 0; end
+  def bold n; escape "1;#{n}" end
+  def underline n; escape "4;#{n}" end
+  def escape n; "\033[#{n}m" if STDOUT.tty? end
+end
+
+class Array
+  def shell_s
+    cp = dup
+    first = cp.shift
+    cp.map{ |arg| arg.gsub " ", "\\ " }.unshift(first) * " "
+  end
+end
+
+def ohai *args
+  puts "#{Tty.blue}==>#{Tty.white} #{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
+  #ohai "/usr/bin/sudo", *args
+  #system "/usr/bin/sudo", *args
+  system *args
+end
+
+def getc  # NOTE only tested on OS X
+  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 or c == 10
+end
+
+module Version
+  def <=>(other)
+    split(".").map { |i| i.to_i } <=> other.split(".").map { |i| i.to_i }
+  end
+end
+
+def macos_version
+  @macos_version ||= `/usr/bin/sw_vers -productVersion`.chomp[/10\.\d+/].extend(Version)
+end
+
+def git
+  @git ||= if ENV['GIT'] and File.executable? ENV['GIT']
+    ENV['GIT']
+  elsif Kernel.system '/usr/bin/which -s git'
+    'git'
+  else
+    exe = `xcrun -find git 2>/dev/null`.chomp
+    exe if $? && $?.success? && !exe.empty? && File.executable?(exe)
+  end
+
+  return unless @git
+  # Github only supports HTTPS fetches on 1.7.10 or later:
+  # https://help.github.com/articles/https-cloning-errors
+  `#{@git} --version` =~ /git version (\d\.\d+\.\d+)/
+  return if $1.nil? or $1.extend(Version) < "1.7.10"
+
+  @git
+end
+
+def chmod?(d)
+  File.directory?(d) && !(File.readable?(d) && File.writable?(d) && File.executable?(d))
+end
+
+def chgrp?(d)
+  !File.grpowned?(d)
+end
+
+# Invalidate sudo timestamp before exiting
+#at_exit { Kernel.system "/usr/bin/sudo", "-k" }
+
+# 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 "#{YOUR_HOME}/usr"
+
+####################################################################### script
+abort "See Linuxbrew: http://brew.sh/linuxbrew/" if /linux/i === RUBY_PLATFORM
+abort "MacOS too old, see: https://github.com/mistydemeo/tigerbrew" if macos_version < "10.5"
+abort "Don't run this as root!" if Process.uid == 0
+#abort <<-EOABORT unless `groups`.split.include? "admin"
+#This script requires the user #{ENV['USER']} to be an Administrator. If this
+#sucks for you then you can install Homebrew in your home directory or however
+#you please; please refer to our homepage. If you still want to use this script
+#set your user to be an Administrator in System Preferences or `su' to a
+#non-root user with Administrator privileges.
+#EOABORT
+abort <<-EOABORT unless Dir["#{HOMEBREW_PREFIX}/.git/*"].empty?
+It appears Homebrew is already installed. If your intent is to reinstall you
+should do the following before running this installer again:
+    rm -rf #{HOMEBREW_PREFIX}/Cellar #{HOMEBREW_PREFIX}/.git && brew cleanup
+EOABORT
+# Tests will fail if the prefix exists, but we don't have execution
+# permissions. Abort in this case.
+abort <<-EOABORT if File.directory? HOMEBREW_PREFIX and not File.executable? HOMEBREW_PREFIX
+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
+abort <<-EOABORT if `/usr/bin/xcrun clang 2>&1` =~ /license/ && !$?.success?
+You have not agreed to the Xcode license.
+Before running the installer again please agree to the license by opening
+Xcode.app or running:
+    sudo xcodebuild -license
+EOABORT
+
+ohai "This script will install:"
+puts "#{HOMEBREW_PREFIX}/bin/brew"
+puts "#{HOMEBREW_PREFIX}/Library/..."
+puts "#{HOMEBREW_PREFIX}/share/man/man1/brew.1"
+
+chmods = %w( . bin etc include lib lib/pkgconfig Library sbin share var var/log 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
+             share/info share/doc share/aclocal ).
+             map { |d| File.join(HOMEBREW_PREFIX, d) }.select { |d| chmod?(d) }
+chgrps = chmods.select { |d| chgrp?(d) }
+
+unless chmods.empty?
+  ohai "The following directories will be made group writable:"
+  puts(*chmods)
+end
+unless chgrps.empty?
+  ohai "The following directories will have their group set to #{Tty.underline 39}admin#{Tty.reset}:"
+  puts(*chgrps)
+end
+
+wait_for_user if STDIN.tty?
+
+if File.directory? HOMEBREW_PREFIX
+  sudo "/bin/chmod", "g+rwx", *chmods unless chmods.empty?
+  sudo "/usr/bin/chgrp", "admin", *chgrps unless chgrps.empty?
+else
+  sudo "/bin/mkdir", HOMEBREW_PREFIX
+  sudo "/bin/chmod", "g+rwx", HOMEBREW_PREFIX
+  # the group is set to wheel by default for some reason
+  sudo "/usr/bin/chgrp", "admin", HOMEBREW_PREFIX
+end
+
+sudo "/bin/mkdir", HOMEBREW_CACHE unless File.directory? HOMEBREW_CACHE
+sudo "/bin/chmod", "g+rwx", HOMEBREW_CACHE if chmod? HOMEBREW_CACHE
+
+if macos_version >= "10.9"
+  developer_dir = `/usr/bin/xcode-select -print-path 2>/dev/null`.chomp
+  if developer_dir.empty? || !File.exist?("#{developer_dir}/usr/bin/git")
+    ohai "Installing the Command Line Tools (expect a GUI popup):"
+    sudo "/usr/bin/xcode-select", "--install"
+    puts "Press any key when the installation has completed."
+    getc
+  end
+end
+
+ohai "Downloading and installing Homebrew..."
+Dir.chdir HOMEBREW_PREFIX do
+  if git
+    # we do it in four steps to avoid merge errors when reinstalling
+    system git, "init", "-q"
+
+    # "git remote add" will fail if the remote is defined in the global config
+    system git, "config", "remote.origin.url", HOMEBREW_REPO
+    system git, "config", "remote.origin.fetch", "+refs/heads/*:refs/remotes/origin/*"
+
+    args = git, "fetch", "origin", "master:refs/remotes/origin/master", "-n"
+    args << "--depth=1" if ARGV.include? "--fast"
+    system(*args)
+
+    system git, "reset", "--hard", "origin/master"
+  else
+    # -m to stop tar erroring out if it can't modify the mtime for root owned directories
+    # pipefail to cause the exit status from curl to propogate if it fails
+    # we use -k for curl because Leopard has a bunch of bad SSL certificates
+    curl_flags = "fsSL"
+    curl_flags << "k" if macos_version <= "10.5"
+    system "/bin/bash -o pipefail -c '/usr/bin/curl -#{curl_flags} #{HOMEBREW_REPO}/tarball/master | /usr/bin/tar xz -m --strip 1'"
+  end
+end
+
+warn "#{HOMEBREW_PREFIX}/bin is not in your PATH." unless ENV['PATH'].split(':').include? "#{HOMEBREW_PREFIX}/bin"
+
+ohai "Installation successful!"
+ohai "Next steps"
+
+if macos_version < "10.9" and macos_version > "10.6"
+  `/usr/bin/cc --version 2> /dev/null` =~ %r[clang-(\d{2,})]
+  version = $1.to_i
+  puts "Install the #{Tty.white}Command Line Tools for Xcode#{Tty.reset}: https://developer.apple.com/downloads" if version < 425
+else
+  puts "Install #{Tty.white}Xcode#{Tty.reset}: https://developer.apple.com/xcode" unless File.exist? "/usr/bin/cc"
+end
+
+puts "Run `brew doctor` #{Tty.white}before#{Tty.reset} you install anything"
+puts "Run `brew help` to get started"
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