edb89a7829
Axel tries to accelerate downloads by using multiple connections (possibly to multiple servers) for one download. Because of its size, it might be very useful on bootdisks or other small systems as a wget replacement.
119 lines
3.1 KiB
Ruby
119 lines
3.1 KiB
Ruby
# Copyright 2009 Max Howell and other contributors.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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module HomebrewArgvExtension
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def named
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raise UsageError if _named.empty?
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_named
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end
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def named_empty?
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_named.empty?
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end
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def options
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select {|arg| arg[0..0] == '-'}
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end
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def formulae
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require 'formula'
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@formulae ||= named.collect {|name| Formula.factory name}
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end
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def kegs
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require 'keg'
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@kegs ||= named.collect do |name|
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d=HOMEBREW_CELLAR+name
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raise "#{name} is not installed" if not d.directory? or d.children.length == 0
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raise "#{name} has multiple installed versions" if d.children.length > 1
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Keg.new d.children[0]
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end
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end
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# self documenting perhaps?
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def include? arg
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@n=index arg
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end
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def next
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at @n+1
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end
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def force?
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flag? '--force'
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end
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def verbose?
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flag? '--verbose'
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end
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def debug?
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flag? '--debug' or ENV['HOMEBREW_DEBUG']
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end
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def quieter?
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flag? '--quieter'
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end
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def interactive?
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flag? '--interactive'
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end
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def flag? flag
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options.each do |arg|
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return true if arg == flag
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next if arg[1..1] == '-'
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return true if arg.include? flag[2..2]
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end
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return false
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end
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def usage
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<<-EOS
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Usage: brew command [formula] ...
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Usage: brew [--prefix] [--cache] [--version|-v]
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Usage: brew [--verbose|-v]
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Commands:
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install formula ... [--debug|-d] [--interactive|-i] [--ignore-dependencies]
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remove formula ...
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search [regex]
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list [-v] [formula] ...
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link formula ...
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unlink formula ...
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home formula ...
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info [formula] [--github]
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prune
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update
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Commands useful when contributing:
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log formula
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create URL
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edit [formula]
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To visit the Homebrew homepage type:
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brew home
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EOS
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end
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private
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def _named
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@named ||= reject{|arg| arg[0..0] == '-'}.collect{|arg| arg.downcase}.uniq
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end
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end
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class UsageError <RuntimeError; end
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ARGV.extend HomebrewArgvExtension
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