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#: * `migrate` [`--force`] <formulae>:
#: Migrate renamed packages to new name, where <formulae> are old names of
#: packages.
#:
#: If `--force` (or `-f`) is passed, then treat installed <formulae> and passed <formulae>
#: like if they are from same taps and migrate them anyway.
require "migrator"
module Homebrew
module_function
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
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