Mini Shell

#  Phusion Passenger - https://www.phusionpassenger.com/
#  Copyright (c) 2014-2017 Phusion Holding B.V.
#
#  "Passenger", "Phusion Passenger" and "Union Station" are registered
#  trademarks of Phusion Holding B.V.
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy
#  of this software and associated documentation files (the "Software"), to deal
#  in the Software without restriction, including without limitation the rights
#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#  copies of the Software, and to permit persons to whom the Software is
#  furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in
#  all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#  THE SOFTWARE.

require 'optparse'
PhusionPassenger.require_passenger_lib 'constants'
PhusionPassenger.require_passenger_lib 'config/command'
PhusionPassenger.require_passenger_lib 'config/agent_compiler'
PhusionPassenger.require_passenger_lib 'utils/ansi_colors'

module PhusionPassenger
  module Config

    class CompileAgentCommand < Command
      include InstallationUtils

      def run
        @options = { :auto => !STDIN.tty? || !STDOUT.tty?, :colorize => :auto, :force_tip => true }
        parse_options
        initialize_objects
        sanity_check
        if !AgentCompiler.new(@options).run
          abort
        end
      end

    private
      def self.create_option_parser(options)
        OptionParser.new do |opts|
          nl = "\n" + ' ' * 37
          opts.banner = "Usage: passenger-config compile-agent [OPTIONS]\n"
          opts.separator ""
          opts.separator "  Compile the #{PROGRAM_NAME} agent binary. The agent binary is required for"
          opts.separator "  #{PROGRAM_NAME} to function properly."
          opts.separator ""

          opts.separator "Options:"
          opts.on("--working-dir PATH", String, "Store temporary files in the given#{nl}" +
            "directory, instead of creating one") do |val|
            options[:working_dir] = val
          end
          opts.on("--auto", "Run in non-interactive mode. Default when#{nl}" +
            "stdin or stdout is not a TTY") do
            options[:auto] = true
          end
          opts.on("--optimize", "Compile agent with optimizations") do
            options[:optimize] = true
          end
          opts.on("-f", "--force", "Skip sanity checks") do
            options[:force] = true
          end
          opts.on("--no-force-tip", "Do not print any tips regarding the --force parameter") do
            options[:force_tip] = false
          end
          opts.on("-h", "--help", "Show this help") do
            options[:help] = true
          end
        end
      end

      def help
        puts @parser
      end

      def initialize_objects
        @colors = Utils::AnsiColors.new(@options[:colorize])
      end

      def sanity_check
        return if @options[:force]

        if PhusionPassenger.find_support_binary(AGENT_EXE)
          puts "#{@colors.green}The #{PROGRAM_NAME} agent is already installed.#{@colors.reset}"
          if @options[:force_tip]
            puts "If you want to recompile it, re-run this program with the --force parameter."
          end
          exit
        end
      end
    end

  end # module Config
end # module PhusionPassenger