115 lines
3.8 KiB
Ruby
115 lines
3.8 KiB
Ruby
# Phusion Passenger - https://www.phusionpassenger.com/
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# Copyright (c) 2013-2025 Asynchronous B.V.
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#
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# "Passenger", "Phusion Passenger" and "Union Station" are registered
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# trademarks of Asynchronous B.V.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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PhusionPassenger.require_passenger_lib 'constants'
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module PhusionPassenger
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# Core of the `passenger` command (Passenger Standalone). Dispatches a subcommand to a specific class.
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module Standalone
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KNOWN_COMMANDS = [
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["start", "StartCommand"],
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["stop", "StopCommand"],
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["status", "StatusCommand"],
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["version", "VersionCommand"]
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]
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def self.run!(argv)
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if argv.empty?
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help
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exit
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end
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command_class, new_argv = lookup_command_class_by_argv(argv)
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if help_requested?(argv)
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help
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elsif version_requested?(argv)
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show_version
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elsif command_class
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command = command_class.new(new_argv)
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command.run
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else
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help
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abort
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end
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end
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def self.help
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puts "#{PROGRAM_NAME} Standalone, the easiest way to run web apps."
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puts
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puts "Available commands:"
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puts
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puts " passenger start Start #{PROGRAM_NAME} Standalone."
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puts " passenger stop Stop a #{PROGRAM_NAME} instance."
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puts " passenger status Show the status of a running #{PROGRAM_NAME} instance."
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puts
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puts "Run 'passenger <COMMAND> --help' for more information about each command."
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end
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private
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def self.help_requested?(argv)
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return argv.size == 1 && (argv[0] == "--help" || argv[0] == "-h" || argv[0] == "help")
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end
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def self.version_requested?(argv)
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return argv.size == 1 && (argv[0] == "--version" || argv[0] == "-v")
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end
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def self.show_version
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command_class, new_argv = lookup_command_class_by_argv(["version"])
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command_class.new(new_argv).run
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end
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def self.lookup_command_class_by_argv(argv)
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return nil if argv.empty?
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# Convert "passenger help <COMMAND>" to "passenger <COMMAND> --help".
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if argv.size == 2 && argv[0] == "help"
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argv = [argv[1], "--help"]
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end
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KNOWN_COMMANDS.each do |props|
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if argv[0] == props[0]
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command_class = lookup_command_class_by_class_name(props[1])
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new_argv = argv[1 .. -1]
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return [command_class, new_argv]
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end
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end
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return nil
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end
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def self.lookup_command_class_by_class_name(class_name)
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base_name = class_name.gsub(/[A-Z]/) do |match|
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"_" + match[0..0].downcase
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end
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base_name.sub!(/^_/, '')
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base_name << ".rb"
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PhusionPassenger.require_passenger_lib("standalone/#{base_name}")
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return PhusionPassenger::Standalone.const_get(class_name)
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end
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end
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end # module PhusionPassenger
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