1 files changed, 129 insertions, 0 deletions
diff --git a/Library/brew.rb b/Library/brew.rb
new file mode 100755
index 000000000..1ade4c30b
--- /dev/null
+++ b/Library/brew.rb
@@ -0,0 +1,129 @@
+#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -W0
+# -*- coding: utf-8 -*-
+
+std_trap = trap("INT") { exit! 130 } # no backtrace thanks
+
+HOMEBREW_BREW_FILE = ENV['HOMEBREW_BREW_FILE'] = File.expand_path(__FILE__)
+
+if ARGV == %w{--prefix}
+  puts File.dirname(File.dirname(HOMEBREW_BREW_FILE))
+  exit 0
+end
+
+require 'pathname'
+HOMEBREW_LIBRARY_PATH = Pathname.new(__FILE__).realpath.dirname.parent.join("Library/Homebrew").to_s
+$:.unshift(HOMEBREW_LIBRARY_PATH + '/vendor')
+$:.unshift(HOMEBREW_LIBRARY_PATH)
+require 'global'
+
+case ARGV.first when '-h', '--help', '--usage', '-?', 'help', nil
+  require 'cmd/help'
+  puts Homebrew.help_s
+  exit ARGV.first ? 0 : 1
+when '--version'
+  puts HOMEBREW_VERSION
+  exit 0
+when '-v'
+  puts "Homebrew #{HOMEBREW_VERSION}"
+  # Shift the -v to the end of the parameter list
+  ARGV << ARGV.shift
+  # If no other arguments, just quit here.
+  exit 0 if ARGV.length == 1
+end
+
+case HOMEBREW_PREFIX.to_s when '/', '/usr'
+  # it may work, but I only see pain this route and don't want to support it
+  abort "Cowardly refusing to continue at this prefix: #{HOMEBREW_PREFIX}"
+end
+if MACOS and MACOS_VERSION < 10.5
+  abort <<-EOABORT.undent
+    Homebrew requires Leopard or higher. For Tiger support, see:
+    https://github.com/mistydemeo/tigerbrew
+  EOABORT
+end
+
+# Many Pathname operations use getwd when they shouldn't, and then throw
+# odd exceptions. Reduce our support burden by showing a user-friendly error.
+Dir.getwd rescue abort "The current working directory doesn't exist, cannot proceed."
+
+
+def require? path
+  require path.to_s.chomp
+rescue LoadError => e
+  # HACK :( because we should raise on syntax errors but
+  # not if the file doesn't exist. TODO make robust!
+  raise unless e.to_s.include? path
+end
+
+begin
+  trap("INT", std_trap) # restore default CTRL-C handler
+
+  aliases = {'ls' => :list,
+             'homepage' => :home,
+             '-S' => :search,
+             'up' => :update,
+             'ln' => :link,
+             'instal' => :install, # gem does the same
+             'rm' => :uninstall,
+             'remove' => :uninstall,
+             'configure' => :diy,
+             'abv' => :info,
+             'dr' => :doctor,
+             '--repo' => '--repository',
+             'environment' => '--env'  # same as gem
+             }
+
+  cmd = ARGV.shift
+  cmd = aliases[cmd] if aliases[cmd]
+
+  if cmd == '-c1'
+    cmd = '--config'
+    ARGV.unshift('-1')
+  end
+
+  # Add example external commands to PATH before checking.
+  ENV['PATH'] += ":#{HOMEBREW_REPOSITORY}/Library/Contributions/cmds"
+  if which "brew-#{cmd}"
+    %w[CACHE CELLAR LIBRARY_PATH PREFIX REPOSITORY].each do |e|
+      ENV["HOMEBREW_#{e}"] = Object.const_get "HOMEBREW_#{e}"
+    end
+    exec "brew-#{cmd}", *ARGV
+  elsif require? `/usr/bin/which brew-#{cmd}.rb`
+    exit 0
+  elsif require? HOMEBREW_REPOSITORY/"Library/Homebrew/cmd"/cmd
+    Homebrew.send cmd.to_s.gsub('-', '_').downcase
+  else
+    onoe "Unknown command: #{cmd}"
+    exit 1
+  end
+
+rescue FormulaUnspecifiedError
+  abort "This command requires a formula argument"
+rescue KegUnspecifiedError
+  abort "This command requires a keg argument"
+rescue UsageError
+  onoe "Invalid usage"
+  abort ARGV.usage
+rescue SystemExit
+  puts "Kernel.exit" if ARGV.verbose?
+  raise
+rescue Interrupt => e
+  puts # seemingly a newline is typical
+  exit 130
+rescue BuildError => e
+  e.dump
+  exit 1
+rescue RuntimeError, SystemCallError => e
+  raise if e.message.empty?
+  onoe e
+  puts e.backtrace if ARGV.debug?
+  exit 1
+rescue Exception => e
+  onoe e
+  puts "#{Tty.white}Please report this bug:"
+  puts "    #{Tty.em}#{ISSUES_URL}#{Tty.reset}"
+  puts e.backtrace
+  exit 1
+else
+  exit 1 if Homebrew.failed?
+end