From 40768b5885671105072ed3e94a91cc559472e8c1 Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Wed, 1 Aug 2012 12:17:16 -0400
Subject: Existing install script moved to go branch

So our install one-liner can be neater.

Other scripts could now go here.---
 install | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 install

diff --git a/install b/install
new file mode 100644
index 000000000..3cf4f2f1c
--- /dev/null
+++ b/install
@@ -0,0 +1,136 @@
+#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
+# This script installs to /usr/local only. To install elsewhere you can just
+# untar https://github.com/mxcl/homebrew/tarball/master anywhere you like.
+
+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
+  args = if args.length > 1
+    args.unshift "/usr/bin/sudo"
+  else
+    "/usr/bin/sudo #{args.first}"
+  end
+  ohai *args
+  system *args
+end
+
+def getc  # NOTE only tested on OS X
+  system "/bin/stty raw -echo"
+  if RUBY_VERSION >= '1.8.7'
+    STDIN.getbyte
+  else
+    STDIN.getc
+  end
+ensure
+  system "/bin/stty -raw echo"
+end
+
+def macos_version
+  @macos_version ||= /(10\.\d+)(\.\d+)?/.match(`/usr/bin/sw_vers -productVersion`).captures.first.to_f
+end
+
+
+# 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
+abort "MacOS too old, see: https://gist.github.com/1144389" if macos_version < 10.5
+abort "/usr/local/.git already exists!" unless Dir["/usr/local/.git/*"].empty?
+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
+
+ohai "This script will install:"
+puts "/usr/local/bin/brew"
+puts "/usr/local/Library/Formula/..."
+puts "/usr/local/Library/Homebrew/..."
+
+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| "/usr/local/#{d}" }.
+            select{ |d| File.directory? d and not File.writable? d }
+chgrps = chmods.reject{ |d| File.stat(d).grpowned? }
+
+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
+
+if STDIN.tty?
+  puts
+  puts "Press enter to continue"
+  c = getc
+  # we test for \r and \n because some stuff does \r instead
+  abort unless c == 13 or c == 10
+end
+
+if File.directory? "/usr/local"
+  sudo "/bin/chmod", "g+rwx", *chmods unless chmods.empty?
+  sudo "/usr/bin/chgrp", "admin", *chgrps unless chgrps.empty?
+else
+  sudo "/bin/mkdir /usr/local"
+  sudo "/bin/chmod g+rwx /usr/local"
+  # the group is set to wheel by default for some reason
+  sudo "/usr/bin/chgrp admin /usr/local"
+end
+
+Dir.chdir "/usr/local" do
+  ohai "Downloading and Installing Homebrew..."
+  # -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 because OS X curl has a bunch of bad SSL certificates
+  # you may want to remove the -k flag from your fork!
+  system "/bin/bash -o pipefail -c '/usr/bin/curl -skSfL https://github.com/mxcl/homebrew/tarball/master | /usr/bin/tar xz -m --strip 1'"
+end
+
+warn "/usr/local/bin is not in your PATH." unless ENV['PATH'].split(':').include? '/usr/local/bin'
+
+if macos_version < 10.7
+  warn "Now install Xcode: https://developer.apple.com/xcode/" unless File.exist? "/usr/bin/cc"
+else
+  warn "Now install the \"Command Line Tools for Xcode\": http://connect.apple.com" unless File.file? "/usr/bin/xcrun"
+end
+
+ohai "Installation successful!"
+puts "You should run `brew doctor' *before* you install anything."
+puts "Now type: brew help"
-- 
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