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# Copyright 2009 Max Howell <max@methylblue.com>
#
# This file is part of Homebrew.
#
# Homebrew is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Homebrew is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Homebrew. If not, see <http://www.gnu.org/licenses/>.
#
module HomebrewArgvExtension
def named
reject {|arg| arg[0..0] == '-'}
end
def options
select {|arg| arg[0..0] == '-'}
end
def formulae
require 'formula'
named.collect {|name| Formula.factory name}
end
def kegs
require 'keg'
named.collect do |name|
d=HOMEBREW_CELLAR+name
raise "#{name} is not installed" if not d.directory? or d.children.length == 0
raise "#{name} has multiple installed versions" if d.children.length > 1
Keg.new d.children[0]
end
end
# self documenting perhaps?
def include? arg
@n=index arg
end
def next
at @n+1
end
def force?
flag? '--force'
end
def verbose?
flag? '--verbose'
end
def debug?
flag? '--debug' or ENV['HOMEBREW_DEBUG']
end
def flag? flag
options.each do |arg|
return true if arg == flag
next if arg[1..1] == '-'
return true if arg.include? flag[2..2]
end
return false
end
def usage
<<-EOS
Usage: brew command [formula] ...
Usage: brew [--prefix] [--cache] [--version]
Usage: brew [--verbose]
Commands:
install formula ... [--debug] [--interactive]
rm formula ...
list formula ...
ln formula ...
info [formula] [--github]
mk url
prune
EOS
end
end
ARGV.extend HomebrewArgvExtension
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