brew/Library/Homebrew/cmd/migrate.rb

# typed: strict
# frozen_string_literal: true

require "abstract_command"
require "migrator"
require "cask/migrator"

module Homebrew
  module Cmd
    class Migrate < AbstractCommand
      cmd_args do
        description <<~EOS
          Migrate renamed packages to new names, where <formula> are old names of
          packages.
        EOS
        switch "-f", "--force",
               description: "Treat installed <formula> and provided <formula> as if they are from " \
                            "the same taps and migrate them anyway."
        switch "-n", "--dry-run",
               description: "Show what would be migrated, but do not actually migrate anything."
        switch "--formula", "--formulae",
               description: "Only migrate formulae."
        switch "--cask", "--casks",
               description: "Only migrate casks."

        conflicts "--formula", "--cask"

        named_args [:installed_formula, :installed_cask], min: 1
      end

      sig { override.void }
      def run
        args.named.to_formulae_and_casks(warn: false).each do |formula_or_cask|
          case formula_or_cask
          when Formula
            Migrator.migrate_if_needed(formula_or_cask, force: args.force?, dry_run: args.dry_run?)
          when Cask::Cask
            Cask::Migrator.migrate_if_needed(formula_or_cask, dry_run: args.dry_run?)
          end
        end
      end
    end
  end
end