class ConfigKit::Cli::Command
Attributes
leftover[R]
Public Class Methods
inherited(subclass)
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# File lib/config_kit/cli/command.rb, line 41 def self.inherited(subclass) @commands << subclass end
new(args)
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# File lib/config_kit/cli/command.rb, line 23 def initialize(args) if Hash === args args.each do |k, v| instance_variable_set "@#{k}", v.to_s if v end else @options = options do |opts| opts.on("-h", "Show this help") { raise CommandFailure, opts.to_s } end raise CommandFailure, @options.to_s if args.empty? @leftover = @options.parse(args) end rescue OptionParser::ParseError => e raise CommandFailure.new(e.message, @options) end
run()
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# File lib/config_kit/cli/command.rb, line 48 def self.run @command_names = @commands.map{ |c| c.command} extra = [] options = ARGV.options do |opts| script_name = File.basename($0) opts.banner = "Usage: #{script_name} [ #{ @command_names.join(" | ")} ] [options]" opts.separator "use '#{script_name} <command> -h' to see detailed command options" opts end extra = options.order! command = extra.shift if command.nil? ConfigKit.logger.error "No command provided" STDOUT.puts options.to_s elsif !@command_names.include?(command) ConfigKit.logger.error "Unrecognized command: #{command}" ConfigKit.logger.error options else command_class = @commands.find{ |c| c.command == command} command_class.new(extra).run end rescue OptionParser::InvalidOption => e raise CommandFailure.new(e.message) end