743b5e6feb
`brew link` can now be made to delete any conflicting files using the --force argument. It also has a --dry-run option, similar to git clean -n, which will list any files which would be deleted without touching the filesystem. Closes Homebrew/homebrew#11811. Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
60 lines
1.3 KiB
Ruby
60 lines
1.3 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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if ARGV.force?
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mode = :force
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elsif ARGV.include?("--dry-run") || ARGV.include?("-n")
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mode = :dryrun
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else
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mode = nil
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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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if mode == :dryrun
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print "Would remove:\n" do
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keg.link(mode)
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end
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next
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end
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print "Linking #{keg}... " do
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puts "#{keg.link(mode)} 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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