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Description: Piston is a utility that eases vendor branch management. This repository is a complete reimplementation of Piston to provide different backends, depending on the repositories and working copies you pistonize from.
Homepage: http://piston.rubyforge.org/
Clone URL: git://github.com/francois/piston.git
Search Repo:
francois (author)
Tue May 13 15:57:39 -0700 2008
commit  81776d2d7148ec158af7ae8f5363db0c2ed40297
tree    fcfa5bf75e431d7385fc7cb56a1bd5753f352317
parent  6e1cadf946995cf390038318006423b6363d6e1c
piston / lib / piston / cli.rb
100644 284 lines (242 sloc) 8.594 kb
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require "main"
require "log4r"
require "activesupport"
require "piston/version"
require "piston/commands"
 
Main {
  program "piston"
  author "François Beausoleil <francois@teksol.info>"
  version Piston::VERSION::STRING
 
  mixin :standard_options do
    option("verbose", "v") {
      argument_optional
      cast :integer
      default 0
      validate {|value| (0..5).include?(value)}
      description "Verbosity level (0 to 5, 0 being the default)"
    }
    option("quiet", "q") { default false }
    option("force") { default false }
    option("dry-run") { default false }
  end
 
  mixin :revision_or_commit do
    option "revision", "r" do
      argument_required
      default "HEAD"
      description "The revision you wish to operate on"
    end
 
    option "commit" do
      argument_required
      default "HEAD"
      description "The commit you wish to operate on"
    end
 
    def target_revision
      case
      when params["revision"].given?
        params["revision"].value
      when params["commit"].given?
        params["commit"].value
      else
        :head
      end
    end
  end
 
  mode "import" do
    mixin :standard_options
    mixin :revision_or_commit
 
    argument "repository" do
      required
      description "The repository you wish to Pistonize"
    end
 
    argument "directory" do
      optional
      default nil
      description "Where to put the Pistonized repository"
    end
 
    option("lock") do
      default false
      description "Automatically lock down the revision/commit to protect against blanket updates"
    end
    
    option("repository-type") do
      argument :required
      default nil
      description "Force a specific repository type, for when it's not possible to guess"
    end
 
    logger_level Logger::DEBUG
    def run
      configure_logging!
 
      if params["revision"].given? && params["commit"].given? then
        raise ArgumentError, "Only one of --revision or --commit can be given. Received both."
      end
 
      cmd = Piston::Commands::Import.new(:verbose => params["verbose"].value,
                                         :quiet => params["quiet"].value,
                                         :force => params["force"].value,
                                         :dry_run => params["dry-run"].value,
                                         :repository_type => params["repository-type"].value)
 
      begin
        cmd.run(params[:repository].value, self.target_revision, params[:directory].value)
      rescue Piston::Repository::UnhandledUrl => e
        supported_types = Piston::Repository.handlers.collect do |handler|
          handler.repository_type
        end
        puts "Unsure how to handle:"
        puts "\t#{params[:repository].value.inspect}."
        puts "You should try using --repository-type. Supported types are:"
        supported_types.each do |type|
          puts "\t#{type}"
        end
        exit_failure!
      end
 
      # Lock the working copy, if the user asked for it
      cmd = Piston::Commands::LockUnlock.new(:verbose => params["verbose"].value,
                                             :quiet => params["quiet"].value,
                                             :force => params["force"].value,
                                             :dry_run => params["dry-run"].value)
      if params["lock"].value
        cmd.run(params["directory"].value, params["lock"].value)
      else
        cmd.run(params["directory"].value, false)
      end
      
    end
  end
  
  mode "lock" do
    mixin :standard_options
    
    argument "directory" do
      argument_required
      optional
      description "Which directory to lock"
    end
 
    logger_level Logger::DEBUG
    def run
      configure_logging!
 
      cmd = Piston::Commands::LockUnlock.new(:wcdir => params["directory"].value,
                                             :verbose => params["verbose"].value,
                                             :quiet => params["quiet"].value,
                                             :force => params["force"].value)
      begin
        cmd.run(true)
        puts "#{params["directory"].value} locked"
      rescue Piston::WorkingCopy::NotWorkingCopy
        puts "The #{params["directory"].value} is not Pistonized"
      end
    end
  end
  
  mode "unlock" do
    mixin :standard_options
    
    argument "directory" do
      argument_required
      optional
      description "Which directory to lock"
    end
 
    logger_level Logger::DEBUG
    def run
      configure_logging!
 
      cmd = Piston::Commands::LockUnlock.new(:wcdir => params["directory"].value,
                                             :verbose => params["verbose"].value,
                                             :quiet => params["quiet"].value,
                                             :force => params["force"].value)
      begin
        cmd.run(false)
        puts "#{params["directory"].value} unlocked"
      rescue Piston::WorkingCopy::NotWorkingCopy
        puts "The #{params["directory"].value} is not Pistonized"
      end
    end
  end
  
  
  mode "info" do
    mixin :standard_options
    
    argument "directory" do
      argument_required
      optional
      description "Which directory to get info"
    end
 
    logger_level Logger::DEBUG
    def run
      configure_logging!
 
      cmd = Piston::Commands::Info.new(:wcdir => params["directory"].value,
                                             :verbose => params["verbose"].value,
                                             :quiet => params["quiet"].value,
                                             :force => params["force"].value)
      begin
        puts cmd.run(params["directory"].value)
      rescue Piston::WorkingCopy::NotWorkingCopy
        puts "The #{params["directory"].value} is not Pistonized"
      end
    end
  end
 
  mode "update" do
    mixin :standard_options
    mixin :revision_or_commit
 
    argument("directory") { optional }
 
    def run
      configure_logging!
 
      if params["revision"].given? && params["commit"].given? then
        raise ArgumentError, "Only one of --revision or --commit can be given. Received both."
      end
 
      cmd = Piston::Commands::Update.new(:lock => params["lock"].value,
                                         :verbose => params["verbose"].value,
                                         :quiet => params["quiet"].value,
                                         :force => params["force"].value,
                                         :dry_run => params["dry-run"].value)
 
      cmd.run(params["director"].value, target_revision)
    end
  end
 
  option("version", "v")
 
  def run
    if params["version"].given? || ARGV.first == "version" then
      puts Piston.version_message
      exit_success!
    elsif ARGV.empty?
      puts Piston.version_message
      puts "\nNo mode given. Call with help to find out the available options."
      exit_failure!
    else
      puts "Unrecognized mode: #{ARGV.first.inspect}. Use the help mode to find the available options."
      exit_warn!
    end
  end
 
  def configure_logging!
    Log4r::Logger.root.level = Log4r::INFO
 
    case params["verbose"].value
    when 0
      main_level = Log4r::INFO
      handler_level = Log4r::WARN
      client_level = Log4r::WARN
      client_out_level = Log4r::WARN
      stdout_level = Log4r::INFO
    when 1
      main_level = Log4r::DEBUG
      handler_level = Log4r::INFO
      client_level = Log4r::WARN
      client_out_level = Log4r::WARN
      stdout_level = Log4r::DEBUG
    when 2
      main_level = Log4r::DEBUG
      handler_level = Log4r::DEBUG
      client_level = Log4r::INFO
      client_out_level = Log4r::WARN
      stdout_level = Log4r::DEBUG
    when 3
      main_level = Log4r::DEBUG
      handler_level = Log4r::DEBUG
      client_level = Log4r::DEBUG
      client_out_level = Log4r::INFO
      stdout_level = Log4r::DEBUG
    when 4, 5
      main_level = Log4r::DEBUG
      handler_level = Log4r::DEBUG
      client_level = Log4r::DEBUG
      client_out_level = Log4r::DEBUG
      stdout_level = Log4r::DEBUG
    else
      raise ArgumentError, "Did not expect verbosity to be outside 0..5: #{params["verbose"].value}"
    end
 
    Log4r::Logger.new("main", main_level)
    Log4r::Logger.new("handler", handler_level)
    Log4r::Logger.new("handler::client", client_level)
    Log4r::Logger.new("handler::client::out", client_out_level)
 
    Log4r::StdoutOutputter.new("stdout", :level => stdout_level)
 
    Log4r::Logger["main"].add "stdout"
    Log4r::Logger["handler"].add "stdout"
  end
}