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# frozen_string_literal: true require_relative "../command" require_relative "../version_option" class Gem::Commands::OpenCommand < Gem::Command include Gem::VersionOption def initialize super "open", "Open gem sources in editor" add_option("-e", "--editor COMMAND", String, "Prepends COMMAND to gem path. Could be used to specify editor.") do |command, options| options[:editor] = command || get_env_editor end add_option("-v", "--version VERSION", String, "Opens specific gem version") do |version| options[:version] = version end end def arguments # :nodoc: "GEMNAME name of gem to open in editor" end def defaults_str # :nodoc: "-e #{get_env_editor}" end def description # :nodoc: <<-EOF The open command opens gem in editor and changes current path to gem's source directory. Editor command can be specified with -e option, otherwise rubygems will look for editor in $EDITOR, $VISUAL and $GEM_EDITOR variables. EOF end def usage # :nodoc: "#{program_name} [-e COMMAND] GEMNAME" end def get_env_editor ENV["GEM_EDITOR"] || ENV["VISUAL"] || ENV["EDITOR"] || "vi" end def execute @version = options[:version] || Gem::Requirement.default @editor = options[:editor] || get_env_editor found = open_gem(get_one_gem_name) terminate_interaction 1 unless found end def open_gem(name) spec = spec_for name return false unless spec if spec.default_gem? say "'#{name}' is a default gem and can't be opened." return false end open_editor(spec.full_gem_path) end def open_editor(path) system(*@editor.split(/\s+/) + [path], { chdir: path }) end def spec_for(name) spec = Gem::Specification.find_all_by_name(name, @version).first return spec if spec say "Unable to find gem '#{name}'" end end