88118b51b2
If the link already exists exactly (well almost exactly) as we are about to correct it, then it's okay. Otherwise we error out. This is a safe choice, and really, the correct choice too. This will prevent the tickets like Homebrew/homebrew#11050 from occurring.
45 lines
1.1 KiB
Ruby
45 lines
1.1 KiB
Ruby
module Homebrew extend self
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def link
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raise KegUnspecifiedError if ARGV.named.empty?
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if Process.uid.zero? and not File.stat(HOMEBREW_BREW_FILE).uid.zero?
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# note we only abort if Homebrew is *not* installed as sudo and the user
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# calls brew as root. The fix is to chown brew to root.
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abort "Cowardly refusing to `sudo brew link'"
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end
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ARGV.kegs.each do |keg|
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if keg.linked_keg_record.directory? and keg.linked_keg_record.realpath == keg
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opoo "Already linked: #{keg}"
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next
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end
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print "Linking #{keg}... " do
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puts if ARGV.verbose?
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puts "#{keg.link} symlinks created"
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end
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end
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end
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private
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# Allows us to ensure a puts happens before the block exits so that if say,
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# an exception is thrown, its output starts on a new line.
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def print str, &block
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Kernel.print str
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puts_capture = Class.new do
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def self.puts str
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$did_puts = true
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Kernel.puts str
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end
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end
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puts_capture.instance_eval &block
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ensure
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puts unless $did_puts
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end
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end
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