122 lines
2.8 KiB
Ruby
122 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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require "search"
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module Cask
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class Cmd
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# Abstract superclass for all `brew cask` commands.
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#
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# @api private
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class AbstractCommand
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include Homebrew::Search
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def self.min_named
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nil
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end
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def self.max_named
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nil
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end
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def self.banner_args
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if min_named == :cask && max_named != 1
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" <cask>"
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elsif max_named&.zero?
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""
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else
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" [<cask>]"
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end
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end
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def self.banner_headline
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"`#{command_name}` [<options>]#{banner_args}"
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end
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def self.parser(&block)
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banner = <<~EOS
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`cask` #{banner_headline}
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#{description}
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EOS
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min_n = min_named
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max_n = max_named
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Cmd.parser do
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usage_banner banner
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instance_eval(&block) if block_given?
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switch "--[no-]binaries",
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description: "Disable/enable linking of helper executables to `#{Config.global.binarydir}`. " \
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"Default: enabled",
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env: :cask_opts_binaries
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switch "--require-sha",
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description: "Require all casks to have a checksum.",
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env: :cask_opts_require_sha
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switch "--[no-]quarantine",
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description: "Disable/enable quarantining of downloads. Default: enabled",
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env: :cask_opts_quarantine
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min_named min_n unless min_n.nil?
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max_named max_n unless max_n.nil?
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end
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end
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def self.command_name
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@command_name ||= name.sub(/^.*:/, "").gsub(/(.)([A-Z])/, '\1_\2').downcase
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end
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def self.abstract?
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name.split("::").last.match?(/^Abstract[^a-z]/)
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end
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def self.visible?
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true
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end
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def self.help
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parser.generate_help_text
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end
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def self.short_description
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description.split(".").first
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end
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def self.run(*args)
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new(*args).run
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end
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attr_reader :args
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def initialize(*args)
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@args = self.class.parser.parse(args)
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end
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private
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def casks(alternative: -> { [] })
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return @casks if defined?(@casks)
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casks = args.named.empty? ? alternative.call : args.named
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@casks = casks.map { |cask| CaskLoader.load(cask) }
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rescue CaskUnavailableError => e
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reason = [e.reason, *suggestion_message(e.token)].join(" ")
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raise e.class.new(e.token, reason)
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end
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def suggestion_message(cask_token)
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matches = search_casks(cask_token)
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if matches.one?
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"Did you mean “#{matches.first}”?"
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elsif !matches.empty?
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"Did you mean one of these?\n#{Formatter.columns(matches.take(20))}"
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end
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end
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end
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end
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end
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