Class: Thor::Runner

Inherits:
Thor
  • Object
show all
Defined in:
lib/thor/runner.rb

Overview

:nodoc:

Constant Summary

Constants inherited from Thor

AmbiguousTaskError, Correctable, DynamicTask, HELP_MAPPINGS, HiddenTask, TEMPLATE_EXTNAME, THOR_RESERVED_WORDS, Task, UndefinedTaskError, VERSION

Instance Attribute Summary

Attributes included from Base

#args, #options, #parent_options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Thor

check_unknown_options!, check_unknown_options?, command_exists?, command_help, default_command, deprecation_warning, desc, disable_required_check!, disable_required_check?, help, long_desc, map, method_at_least_one, method_exclusive, method_option, method_options, package_name, printable_commands, register, stop_on_unknown_option!, stop_on_unknown_option?, subcommand, subcommand_classes, subcommands

Methods included from Base

included, #initialize, register_klass_file, subclass_files, subclasses

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args) ⇒ Object

If a command is not found on Thor::Runner, method missing is invoked and Thor::Runner is then responsible for finding the command in all classes.



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# File 'lib/thor/runner.rb', line 34

def method_missing(meth, *args)
  meth = meth.to_s
  initialize_thorfiles(meth)
  klass, command = Thor::Util.find_class_and_command_by_namespace(meth)
  self.class.handle_no_command_error(command, false) if klass.nil?
  args.unshift(command) if command
  klass.start(args, shell: shell)
end

Class Method Details



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# File 'lib/thor/runner.rb', line 10

def self.banner(command, all = false, subcommand = false)
  "thor " + command.formatted_usage(self, all, subcommand)
end

.exit_on_failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/thor/runner.rb', line 14

def self.exit_on_failure?
  true
end

Instance Method Details

#help(meth = nil) ⇒ Object

Override Thor#help so it can give information about any class and any method.



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# File 'lib/thor/runner.rb', line 20

def help(meth = nil)
  if meth && !respond_to?(meth)
    initialize_thorfiles(meth)
    klass, command = Thor::Util.find_class_and_command_by_namespace(meth)
    self.class.handle_no_command_error(command, false) if klass.nil?
    klass.start(["-h", command].compact, shell: shell)
  else
    super
  end
end

#install(name) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/thor/runner.rb', line 45

def install(name) # rubocop:disable Metrics/MethodLength
  initialize_thorfiles

  is_uri  = name =~ %r{^https?\://}

  if is_uri
    base = name
    package = :file
    require "open-uri"
    begin
      contents = URI.open(name, &:read)
    rescue OpenURI::HTTPError
      raise Error, "Error opening URI '#{name}'"
    end
  else
    # If a directory name is provided as the argument, look for a 'main.thor'
    # command in said directory.
    begin
      if File.directory?(File.expand_path(name))
        base = File.join(name, "main.thor")
        package = :directory
        contents = File.open(base, &:read)
      else
        base = name
        package = :file
        require "open-uri"
        contents = URI.open(name, &:read)
      end
    rescue Errno::ENOENT
      raise Error, "Error opening file '#{name}'"
    end
  end

  say "Your Thorfile contains:"
  say contents

  unless options["force"]
    return false if no?("Do you wish to continue [y/N]?")
  end

  as = options["as"] || begin
    first_line = contents.split("\n")[0]
    (match = first_line.match(/\s*#\s*module:\s*([^\n]*)/)) ? match[1].strip : nil
  end

  unless as
    basename = File.basename(name)
    as = ask("Please specify a name for #{name} in the system repository [#{basename}]:")
    as = basename if as.empty?
  end

  location = if options[:relative] || is_uri
    name
  else
    File.expand_path(name)
  end

  thor_yaml[as] = {
    filename: Digest::SHA256.hexdigest(name + as),
    location: location,
    namespaces: Thor::Util.namespaces_in_content(contents, base)
  }

  save_yaml(thor_yaml)
  say "Storing thor file in your system repository"
  destination = File.join(thor_root, thor_yaml[as][:filename])

  if package == :file
    File.open(destination, "w") { |f| f.puts contents }
  else
    require "fileutils"
    FileUtils.cp_r(name, destination)
  end

  thor_yaml[as][:filename] # Indicate success
end

#installed ⇒ Object 



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# File 'lib/thor/runner.rb', line 167

def installed
  initialize_thorfiles(nil, true)
  display_klasses(true, options["internal"])
end

#list(search = "") ⇒ Object 



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# File 'lib/thor/runner.rb', line 174

def list(search = "")
  initialize_thorfiles

  search = ".*#{search}" if options["substring"]
  search = /^#{search}.*/i
  group  = options[:group] || "standard"

  klasses = Thor::Base.subclasses.select do |k|
    (options[:all] || k.group == group) && k.namespace =~ search
  end

  display_klasses(false, false, klasses)
end

#uninstall(name) ⇒ Object

Raises:



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# File 'lib/thor/runner.rb', line 129

def uninstall(name)
  raise Error, "Can't find module '#{name}'" unless thor_yaml[name]
  say "Uninstalling #{name}."
  require "fileutils"
  FileUtils.rm_rf(File.join(thor_root, (thor_yaml[name][:filename]).to_s))

  thor_yaml.delete(name)
  save_yaml(thor_yaml)

  puts "Done."
end

#update(name) ⇒ Object

Raises:



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# File 'lib/thor/runner.rb', line 142

def update(name)
  raise Error, "Can't find module '#{name}'" if !thor_yaml[name] || !thor_yaml[name][:location]

  say "Updating '#{name}' from #{thor_yaml[name][:location]}"

  old_filename = thor_yaml[name][:filename]
  self.options = options.merge("as" => name)

  if File.directory? File.expand_path(name)
    require "fileutils"
    FileUtils.rm_rf(File.join(thor_root, old_filename))

    thor_yaml.delete(old_filename)
    save_yaml(thor_yaml)

    filename = install(name)
  else
    filename = install(thor_yaml[name][:location])
  end

  File.delete(File.join(thor_root, old_filename)) unless filename == old_filename
end

#version ⇒ Object 



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# File 'lib/thor/runner.rb', line 123

def version
  require_relative "version"
  say "Thor #{Thor::VERSION}"
end