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module Homebrew extend self
def link
raise KegUnspecifiedError if ARGV.named.empty?
if Process.uid.zero? and not File.stat(HOMEBREW_BREW_FILE).uid.zero?
# note we only abort if Homebrew is *not* installed as sudo and the user
# calls brew as root. The fix is to chown brew to root.
abort "Cowardly refusing to `sudo brew link'"
end
if ARGV.force? then mode = :force
elsif ARGV.dry_run? then mode = :dryrun
else mode = nil
end
ARGV.kegs.each do |keg|
if keg.linked_keg_record.directory? and keg.linked_keg_record.realpath == keg
opoo "Already linked: #{keg}"
next
end
if mode == :dryrun
print "Would remove:\n" do
keg.link(mode)
end
next
end
print "Linking #{keg}... " do
puts "#{keg.link(mode)} symlinks created"
end
end
end
private
# Allows us to ensure a puts happens before the block exits so that if say,
# an exception is thrown, its output starts on a new line.
def print str, &block
Kernel.print str
puts_capture = Class.new do
def self.puts str
$did_puts = true
Kernel.puts str
end
end
puts_capture.instance_eval &block
ensure
puts unless $did_puts
end
end
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