89 lines
2.3 KiB
Ruby
89 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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require "formula"
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require "options"
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require "cli/parser"
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require "commands"
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module Homebrew
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module_function
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def options_args
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Homebrew::CLI::Parser.new do
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usage_banner <<~EOS
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`options` [<options>] [<formula>]
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Show install options specific to <formula>.
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EOS
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switch "--compact",
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description: "Show all options on a single line separated by spaces."
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switch "--installed",
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description: "Show options for formulae that are currently installed."
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switch "--all",
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description: "Show options for all available formulae."
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flag "--command=",
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description: "Show options for the specified <command>."
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switch :debug
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conflicts "--installed", "--all", "--command"
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end
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end
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def options
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options_args.parse
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if args.all?
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puts_options Formula.to_a.sort
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elsif args.installed?
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puts_options Formula.installed.sort
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elsif !args.command.nil?
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path = Commands.path(args.command)
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odie "Unknown command: #{args.command}" unless path
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cmd_options = if cmd_parser = CLI::Parser.from_cmd_path(path)
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cmd_parser.processed_options.map do |short, long, _, desc|
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[long || short, desc]
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end
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else
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cmd_comment_options(path)
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end
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if args.compact?
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puts cmd_options.sort.map(&:first) * " "
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else
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cmd_options.sort.each { |option, desc| puts "#{option}\n\t#{desc}" }
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puts
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end
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elsif args.no_named?
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raise FormulaUnspecifiedError
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else
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puts_options args.formulae
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end
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end
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def cmd_comment_options(cmd_path)
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options = []
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comment_lines = cmd_path.read.lines.grep(/^#:/)
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return options if comment_lines.empty?
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# skip the comment's initial usage summary lines
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comment_lines.slice(2..-1).each do |line|
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if / (?<option>-[-\w]+) +(?<desc>.*)$/ =~ line
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options << [option, desc]
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end
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end
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options
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end
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def puts_options(formulae)
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formulae.each do |f|
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next if f.options.empty?
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if args.compact?
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puts f.options.as_flags.sort * " "
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else
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puts f.full_name if formulae.length > 1
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dump_options_for_formula f
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puts
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end
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end
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end
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end
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