Library/Homebrew/cmd/migrate.rb


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require "migrator"
require "formula_renames"

module Homebrew
  def migrate
    raise FormulaUnspecifiedError if ARGV.named.empty?

    ARGV.resolved_formulae.each do |f|
      if f.oldname
        unless (rack = HOMEBREW_CELLAR/f.oldname).exist? && !rack.subdirs.empty?
          raise NoSuchKegError, f.oldname
        end
        raise "#{rack} is a symlink" if rack.symlink?
      end

      migrator = Migrator.new(f)
      migrator.migrate
    end
  end
end