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require 'bottles'
module HomebrewArgvExtension
def named
@named ||= reject{|arg| arg[0..0] == '-'}
end
def options_only
select {|arg| arg[0..0] == '-'}
end
def formulae
require 'formula'
@formulae ||= downcased_unique_named.map{ |name| Formula.factory name }
return @formulae
end
def kegs
require 'keg'
require 'formula'
@kegs ||= downcased_unique_named.collect do |name|
canonical_name = Formula.canonical_name(name)
rack = HOMEBREW_CELLAR + if canonical_name.include? "/"
# canonical_name returns a path if it was a formula installed via a
# URL. And we only want the name. FIXME that function is insane.
Pathname.new(canonical_name).stem
else
canonical_name
end
dirs = rack.children.select{ |pn| pn.directory? } rescue []
raise NoSuchKegError.new(name) if not rack.directory? or dirs.length == 0
linked_keg_ref = HOMEBREW_REPOSITORY/"Library/LinkedKegs"/name
if not linked_keg_ref.symlink?
if dirs.length == 1
Keg.new(dirs.first)
else
prefix = Formula.factory(canonical_name).prefix
if prefix.directory?
Keg.new(prefix)
else
raise MultipleVersionsInstalledError.new(name)
end
end
else
Keg.new(linked_keg_ref.realpath)
end
end
end
# self documenting perhaps?
def include? arg
@n=index arg
end
def next
at @n+1 or raise UsageError
end
def force?
flag? '--force'
end
def verbose?
flag? '--verbose' or ENV['HOMEBREW_VERBOSE']
end
def debug?
flag? '--debug' or ENV['HOMEBREW_DEBUG']
end
def quieter?
flag? '--quieter'
end
def interactive?
flag? '--interactive'
end
def one?
flag? '--1'
end
def build_head?
flag? '--HEAD'
end
def build_devel?
include? '--devel'
end
def build_universal?
include? '--universal'
end
# Request a 32-bit only build.
# This is needed for some use-cases though we prefer to build Universal
# when a 32-bit version is needed.
def build_32_bit?
include? '--32-bit'
end
def build_bottle?
bottles_supported? and include? '--build-bottle'
end
def build_from_source?
flag? '--build-from-source' or ENV['HOMEBREW_BUILD_FROM_SOURCE'] \
or not bottles_supported? or not options_only.empty?
end
def flag? flag
options_only.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
# eg. `foo -ns -i --bar` has three switches, n, s and i
def switch? switch_character
return false if switch_character.length > 1
options_only.each do |arg|
next if arg[1..1] == '-'
return true if arg.include? switch_character
end
return false
end
def usage
require 'cmd/help'
Homebrew.help_s
end
def filter_for_dependencies
# Clears some flags that affect installation, yields to a block, then
# restores to original state.
old_args = clone
flags_to_clear = %w[
--debug -d
--devel
--fresh
--interactive -i
--HEAD
]
flags_to_clear.concat %w[--verbose -v] if quieter?
flags_to_clear.each {|flag| delete flag}
yield
replace old_args
end
private
def downcased_unique_named
# Only lowercase names, not paths or URLs
@downcased_unique_named ||= named.map do |arg|
arg.include?("/") ? arg : arg.downcase
end.uniq
end
end
|
