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opt
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ruby19
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lib64
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ruby
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1.9.1
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rake
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require 'shellwords' require 'optparse' require 'rake/task_manager' require 'rake/win32' module Rake ###################################################################### # Rake main application object. When invoking +rake+ from the # command line, a Rake::Application object is created and run. # class Application include TaskManager # The name of the application (typically 'rake') attr_reader :name # The original directory where rake was invoked. attr_reader :original_dir # Name of the actual rakefile used. attr_reader :rakefile # Number of columns on the terminal attr_accessor :terminal_columns # List of the top level task names (task names from the command line). attr_reader :top_level_tasks DEFAULT_RAKEFILES = ['rakefile', 'Rakefile', 'rakefile.rb', 'Rakefile.rb'].freeze # Initialize a Rake::Application object. def initialize super @name = 'rake' @rakefiles = DEFAULT_RAKEFILES.dup @rakefile = nil @pending_imports = [] @imported = [] @loaders = {} @default_loader = Rake::DefaultLoader.new @original_dir = Dir.pwd @top_level_tasks = [] add_loader('rb', DefaultLoader.new) add_loader('rf', DefaultLoader.new) add_loader('rake', DefaultLoader.new) @tty_output = STDOUT.tty? @terminal_columns = ENV['RAKE_COLUMNS'].to_i end # Run the Rake application. The run method performs the following # three steps: # # * Initialize the command line options (+init+). # * Define the tasks (+load_rakefile+). # * Run the top level tasks (+run_tasks+). # # If you wish to build a custom rake command, you should call # +init+ on your application. Then define any tasks. Finally, # call +top_level+ to run your top level tasks. def run standard_exception_handling do init load_rakefile top_level end end # Initialize the command line parameters and app name. def init(app_name='rake') standard_exception_handling do @name = app_name handle_options collect_tasks end end # Find the rakefile and then load it and any pending imports. def load_rakefile standard_exception_handling do raw_load_rakefile end end # Run the top level tasks of a Rake application. def top_level standard_exception_handling do if options.show_tasks display_tasks_and_comments elsif options.show_prereqs display_prerequisites else top_level_tasks.each { |task_name| invoke_task(task_name) } end end end # Add a loader to handle imported files ending in the extension # +ext+. def add_loader(ext, loader) ext = ".#{ext}" unless ext =~ /^\./ @loaders[ext] = loader end # Application options from the command line def options @options ||= OpenStruct.new end # private ---------------------------------------------------------------- def invoke_task(task_string) name, args = parse_task_string(task_string) t = self[name] t.invoke(*args) end def parse_task_string(string) if string =~ /^([^\[]+)(\[(.*)\])$/ name = $1 args = $3.split(/\s*,\s*/) else name = string args = [] end [name, args] end # Provide standard exception handling for the given block. def standard_exception_handling begin yield rescue SystemExit => ex # Exit silently with current status raise rescue OptionParser::InvalidOption => ex $stderr.puts ex.message exit(false) rescue Exception => ex # Exit with error message display_error_message(ex) exit(false) end end # Display the error message that caused the exception. def display_error_message(ex) $stderr.puts "#{name} aborted!" $stderr.puts ex.message if options.trace $stderr.puts ex.backtrace.join("\n") else $stderr.puts rakefile_location(ex.backtrace) end $stderr.puts "Tasks: #{ex.chain}" if has_chain?(ex) $stderr.puts "(See full trace by running task with --trace)" unless options.trace end # Warn about deprecated usage. # # Example: # Rake.application.deprecate("import", "Rake.import", caller.first) # def deprecate(old_usage, new_usage, call_site) return if options.ignore_deprecate $stderr.puts "WARNING: '#{old_usage}' is deprecated. " + "Please use '#{new_usage}' instead.\n" + " at #{call_site}" end # Does the exception have a task invocation chain? def has_chain?(exception) exception.respond_to?(:chain) && exception.chain end private :has_chain? # True if one of the files in RAKEFILES is in the current directory. # If a match is found, it is copied into @rakefile. def have_rakefile @rakefiles.each do |fn| if File.exist?(fn) others = Dir.glob(fn, File::FNM_CASEFOLD) return others.size == 1 ? others.first : fn elsif fn == '' return fn end end return nil end # True if we are outputting to TTY, false otherwise def tty_output? @tty_output end # Override the detected TTY output state (mostly for testing) def tty_output=( tty_output_state ) @tty_output = tty_output_state end # We will truncate output if we are outputting to a TTY or if we've been # given an explicit column width to honor def truncate_output? tty_output? || @terminal_columns.nonzero? end # Display the tasks and comments. def display_tasks_and_comments displayable_tasks = tasks.select { |t| t.comment && t.name =~ options.show_task_pattern } case options.show_tasks when :tasks width = displayable_tasks.collect { |t| t.name_with_args.length }.max || 10 max_column = truncate_output? ? terminal_width - name.size - width - 7 : nil displayable_tasks.each do |t| printf "#{name} %-#{width}s # %s\n", t.name_with_args, max_column ? truncate(t.comment, max_column) : t.comment end when :describe displayable_tasks.each do |t| puts "#{name} #{t.name_with_args}" t.full_comment.split("\n").each do |line| puts " #{line}" end puts end when :lines displayable_tasks.each do |t| t.locations.each do |loc| printf "#{name} %-30s %s\n",t.name_with_args, loc end end else fail "Unknown show task mode: '#{options.show_tasks}'" end end def terminal_width if @terminal_columns.nonzero? result = @terminal_columns else result = unix? ? dynamic_width : 80 end (result < 10) ? 80 : result rescue 80 end # Calculate the dynamic width of the def dynamic_width @dynamic_width ||= (dynamic_width_stty.nonzero? || dynamic_width_tput) end def dynamic_width_stty %x{stty size 2>/dev/null}.split[1].to_i end def dynamic_width_tput %x{tput cols 2>/dev/null}.to_i end def unix? RbConfig::CONFIG['host_os'] =~ /(aix|darwin|linux|(net|free|open)bsd|cygwin|solaris|irix|hpux)/i end def windows? Win32.windows? end def truncate(string, width) if string.length <= width string else ( string[0, width-3] || "" ) + "..." end end # Display the tasks and prerequisites def display_prerequisites tasks.each do |t| puts "#{name} #{t.name}" t.prerequisites.each { |pre| puts " #{pre}" } end end # A list of all the standard options used in rake, suitable for # passing to OptionParser. def standard_rake_options [ ['--classic-namespace', '-C', "Put Task and FileTask in the top level namespace", lambda { |value| require 'rake/classic_namespace' options.classic_namespace = true } ], ['--describe', '-D [PATTERN]', "Describe the tasks (matching optional PATTERN), then exit.", lambda { |value| options.show_tasks = :describe options.show_task_pattern = Regexp.new(value || '') TaskManager.record_task_metadata = true } ], ['--dry-run', '-n', "Do a dry run without executing actions.", lambda { |value| Rake.verbose(true) Rake.nowrite(true) options.dryrun = true options.trace = true } ], ['--execute', '-e CODE', "Execute some Ruby code and exit.", lambda { |value| eval(value) exit } ], ['--execute-print', '-p CODE', "Execute some Ruby code, print the result, then exit.", lambda { |value| puts eval(value) exit } ], ['--execute-continue', '-E CODE', "Execute some Ruby code, then continue with normal task processing.", lambda { |value| eval(value) } ], ['--libdir', '-I LIBDIR', "Include LIBDIR in the search path for required modules.", lambda { |value| $:.push(value) } ], ['--no-search', '--nosearch', '-N', "Do not search parent directories for the Rakefile.", lambda { |value| options.nosearch = true } ], ['--prereqs', '-P', "Display the tasks and dependencies, then exit.", lambda { |value| options.show_prereqs = true } ], ['--quiet', '-q', "Do not log messages to standard output.", lambda { |value| Rake.verbose(false) } ], ['--rakefile', '-f [FILE]', "Use FILE as the rakefile.", lambda { |value| value ||= '' @rakefiles.clear @rakefiles << value } ], ['--rakelibdir', '--rakelib', '-R RAKELIBDIR', "Auto-import any .rake files in RAKELIBDIR. (default is 'rakelib')", # HACK Use File::PATH_SEPARATOR lambda { |value| options.rakelib = value.split(':') } ], ['--require', '-r MODULE', "Require MODULE before executing rakefile.", lambda { |value| begin require value rescue LoadError => ex begin rake_require value rescue LoadError raise ex end end } ], ['--rules', "Trace the rules resolution.", lambda { |value| options.trace_rules = true } ], ['--silent', '-s', "Like --quiet, but also suppresses the 'in directory' announcement.", lambda { |value| Rake.verbose(false) options.silent = true } ], ['--system', '-g', "Using system wide (global) rakefiles (usually '~/.rake/*.rake').", lambda { |value| options.load_system = true } ], ['--no-system', '--nosystem', '-G', "Use standard project Rakefile search paths, ignore system wide rakefiles.", lambda { |value| options.ignore_system = true } ], ['--tasks', '-T [PATTERN]', "Display the tasks (matching optional PATTERN) with descriptions, then exit.", lambda { |value| options.show_tasks = :tasks options.show_task_pattern = Regexp.new(value || '') Rake::TaskManager.record_task_metadata = true } ], ['--trace', '-t', "Turn on invoke/execute tracing, enable full backtrace.", lambda { |value| options.trace = true Rake.verbose(true) } ], ['--verbose', '-v', "Log message to standard output.", lambda { |value| Rake.verbose(true) } ], ['--version', '-V', "Display the program version.", lambda { |value| puts "rake, version #{RAKEVERSION}" exit } ], ['--where', '-W [PATTERN]', "Describe the tasks (matching optional PATTERN), then exit.", lambda { |value| options.show_tasks = :lines options.show_task_pattern = Regexp.new(value || '') Rake::TaskManager.record_task_metadata = true } ], ['--no-deprecation-warnings', '-X', "Disable the deprecation warnings.", lambda { |value| options.ignore_deprecate = true } ], ] end # Read and handle the command line options. def handle_options options.rakelib = ['rakelib'] OptionParser.new do |opts| opts.banner = "rake [-f rakefile] {options} targets..." opts.separator "" opts.separator "Options are ..." opts.on_tail("-h", "--help", "-H", "Display this help message.") do puts opts exit end standard_rake_options.each { |args| opts.on(*args) } opts.environment('RAKEOPT') end.parse! # If class namespaces are requested, set the global options # according to the values in the options structure. if options.classic_namespace $show_tasks = options.show_tasks $show_prereqs = options.show_prereqs $trace = options.trace $dryrun = options.dryrun $silent = options.silent end end # Similar to the regular Ruby +require+ command, but will check # for *.rake files in addition to *.rb files. def rake_require(file_name, paths=$LOAD_PATH, loaded=$") fn = file_name + ".rake" return false if loaded.include?(fn) paths.each do |path| full_path = File.join(path, fn) if File.exist?(full_path) Rake.load_rakefile(full_path) loaded << fn return true end end fail LoadError, "Can't find #{file_name}" end def find_rakefile_location here = Dir.pwd while ! (fn = have_rakefile) Dir.chdir("..") if Dir.pwd == here || options.nosearch return nil end here = Dir.pwd end [fn, here] ensure Dir.chdir(Rake.original_dir) end def print_rakefile_directory(location) $stderr.puts "(in #{Dir.pwd})" unless options.silent or original_dir == location end def raw_load_rakefile # :nodoc: rakefile, location = find_rakefile_location if (! options.ignore_system) && (options.load_system || rakefile.nil?) && system_dir && File.directory?(system_dir) print_rakefile_directory(location) glob("#{system_dir}/*.rake") do |name| add_import name end else fail "No Rakefile found (looking for: #{@rakefiles.join(', ')})" if rakefile.nil? @rakefile = rakefile Dir.chdir(location) print_rakefile_directory(location) $rakefile = @rakefile if options.classic_namespace Rake.load_rakefile(File.expand_path(@rakefile)) if @rakefile && @rakefile != '' options.rakelib.each do |rlib| glob("#{rlib}/*.rake") do |name| add_import name end end end load_imports end def glob(path, &block) Dir[path.gsub("\\", '/')].each(&block) end private :glob # The directory path containing the system wide rakefiles. def system_dir @system_dir ||= begin if ENV['RAKE_SYSTEM'] ENV['RAKE_SYSTEM'] else standard_system_dir end end end # The standard directory containing system wide rake files. if Win32.windows? def standard_system_dir #:nodoc: Win32.win32_system_dir end else def standard_system_dir #:nodoc: File.join(File.expand_path('~'), '.rake') end end private :standard_system_dir # Collect the list of tasks on the command line. If no tasks are # given, return a list containing only the default task. # Environmental assignments are processed at this time as well. def collect_tasks @top_level_tasks = [] ARGV.each do |arg| if arg =~ /^(\w+)=(.*)$/ ENV[$1] = $2 else @top_level_tasks << arg unless arg =~ /^-/ end end @top_level_tasks.push("default") if @top_level_tasks.size == 0 end # Add a file to the list of files to be imported. def add_import(fn) @pending_imports << fn end # Load the pending list of imported files. def load_imports while fn = @pending_imports.shift next if @imported.member?(fn) if fn_task = lookup(fn) fn_task.invoke end ext = File.extname(fn) loader = @loaders[ext] || @default_loader loader.load(fn) @imported << fn end end # Warn about deprecated use of top level constant names. def const_warning(const_name) @const_warning ||= false if ! @const_warning $stderr.puts %{WARNING: Deprecated reference to top-level constant '#{const_name}' } + %{found at: #{rakefile_location}} # ' $stderr.puts %{ Use --classic-namespace on rake command} $stderr.puts %{ or 'require "rake/classic_namespace"' in Rakefile} end @const_warning = true end def rakefile_location backtrace = caller backtrace.map { |t| t[/([^:]+):/,1] } re = /^#{@rakefile}$/ re = /#{re.source}/i if windows? backtrace.find { |str| str =~ re } || '' end end end
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