brew/Library/Homebrew/global.rb

#  Copyright 2009 Max Howell and other contributors.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
#  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
#  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
#  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
#  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
#  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
require 'pathname+yeast'
require 'ARGV+yeast'
require 'utils'
require 'hardware'

if Process.uid == 0
  # technically this is not the correct place, this cache is for *all users*
  # so in that case, maybe we should always use it, root or not?
  HOMEBREW_CACHE=Pathname.new("/Library/Caches/Homebrew")
else
  HOMEBREW_CACHE=Pathname.new("~/Library/Caches/Homebrew").expand_path
end

HOMEBREW_PREFIX = (Pathname.getwd+__FILE__).dirname.parent.parent.cleanpath
HOMEBREW_CELLAR = HOMEBREW_PREFIX+'Cellar'
HOMEBREW_VERSION = 0.4
HOMEBREW_WWW = 'http://bit.ly/Homebrew'

# we use Library as we allow people to symlink their Homebrew into another
# directory so they can hack in one place and use it in another
HOMEBREW_REPOSITORY = (HOMEBREW_PREFIX+'Library').realpath.parent

MACOS_FULL_VERSION = `/usr/bin/sw_vers -productVersion`.chomp
MACOS_VERSION = /(10\.\d+)(\.\d+)?/.match(MACOS_FULL_VERSION).captures.first.to_f

HOMEBREW_USER_AGENT = "Homebrew #{HOMEBREW_VERSION} (Ruby #{RUBY_VERSION}-#{RUBY_PATCHLEVEL}; Mac OS X #{MACOS_FULL_VERSION})"