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#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -W0
# encoding: UTF-8
std_trap = trap("INT") { exit! 130 } # no backtrace thanks
HOMEBREW_BREW_FILE = ENV['HOMEBREW_BREW_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'
if ARGV.help?
require 'cmd/help'
puts ARGV.usage
exit ARGV.any? ? 0 : 1
elsif ARGV.version?
puts HOMEBREW_VERSION
exit 0
elsif ARGV.first == '-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
# Check for bad xcode-select before anything else, because `doctor` and
# many other things will hang
# Note that this bug was fixed in 10.9
if OS.mac? && MacOS.version < :mavericks && MacOS::Xcode.bad_xcode_select_path?
odie <<-EOS.undent
Your xcode-select path is currently set to '/'.
This causes the `xcrun` tool to hang, and can render Homebrew unusable.
If you are using Xcode, you should:
sudo xcode-select -switch /Applications/Xcode.app
Otherwise, you should:
sudo rm -rf /usr/share/xcode-select
EOS
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 OS.mac? 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',
'-c1' => '--config',
}
cmd = ARGV.shift
cmd = aliases[cmd] if aliases[cmd]
sudo_check = Set.new %w[ install link pin unpin upgrade ]
if sudo_check.include? cmd
if Process.uid.zero? and not File.stat(HOMEBREW_BREW_FILE).uid.zero?
raise "Cowardly refusing to `sudo brew #{cmd}`\n#{SUDO_BAD_ERRMSG}"
end
end
# Add contributed commands to PATH before checking.
ENV['PATH'] += ":#{HOMEBREW_CONTRIB}/cmd"
if require? HOMEBREW_REPOSITORY/"Library/Homebrew/cmd"/cmd
Homebrew.send cmd.to_s.gsub('-', '_').downcase
elsif 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? which("brew-#{cmd}.rb").to_s
exit 0
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
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