Class: LibGems::Commands::UpdateCommand

Inherits:
LibGems::Command show all
Includes:
InstallUpdateOptions, LocalRemoteOptions, VersionOption
Defined in:
lib/libgems/commands/update_command.rb

Instance Attribute Summary

Attributes inherited from LibGems::Command

#command, #defaults, #options, #program_name, #summary

Instance Method Summary collapse

Methods included from VersionOption

#add_platform_option, #add_prerelease_option, #add_version_option

Methods included from LocalRemoteOptions

#accept_uri_http, #add_bulk_threshold_option, #add_local_remote_options, #add_proxy_option, #add_source_option, #add_update_sources_option, #both?, #local?, #remote?

Methods included from InstallUpdateOptions

#add_install_update_options, #install_update_defaults_str

Methods inherited from LibGems::Command

add_common_option, #add_extra_args, #add_option, add_specific_extra_args, #begins?, build_args, build_args=, common_options, #description, extra_args, extra_args=, #get_all_gem_names, #get_one_gem_name, #get_one_optional_argument, #handle_options, #handles?, #invoke, #merge_options, #remove_option, #show_help, #show_lookup_failure, specific_extra_args, specific_extra_args_hash, #when_invoked

Methods included from UserInteraction

#methname

Methods included from DefaultUserInteraction

ui, #ui, ui=, #ui=, use_ui, #use_ui

Constructor Details

#initialize ⇒ UpdateCommand

Returns a new instance of UpdateCommand.



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# File 'lib/libgems/commands/update_command.rb', line 15

def initialize
  super 'update',
        'Update the named gems (or all installed gems) in the local repository',
    :generate_rdoc => true,
    :generate_ri   => true,
    :force         => false,
    :test          => false

  add_install_update_options

  OptionParser.accept LibGems::Version do |value|
    LibGems::Version.new value

    value
  end

  add_local_remote_options
  add_platform_option
  add_prerelease_option "as update targets"
end

Instance Method Details

#arguments ⇒ Object

:nodoc:



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# File 'lib/libgems/commands/update_command.rb', line 36

def arguments # :nodoc:
  "GEMNAME       name of gem to update"
end

#defaults_str ⇒ Object

:nodoc:



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# File 'lib/libgems/commands/update_command.rb', line 40

def defaults_str # :nodoc:
  "--rdoc --ri --no-force --no-test --install-dir #{LibGems.dir}"
end

#execute ⇒ Object 



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# File 'lib/libgems/commands/update_command.rb', line 48

def execute
  @installer = LibGems::DependencyInstaller.new options
  @updated   = []

  hig = {}

  say "Updating installed gems"

  hig = {} # highest installed gems

  LibGems.source_index.each do |name, spec|
    if hig[spec.name].nil? or hig[spec.name].version < spec.version then
      hig[spec.name] = spec
    end
  end

  gems_to_update = which_to_update hig, options[:args]

  updated = update_gems gems_to_update

  if updated.empty? then
    say "Nothing to update"
  else
    say "Gems updated: #{updated.map { |spec| spec.name }.join ', '}"

    if options[:generate_ri] then
      updated.each do |gem|
        LibGems::DocManager.new(gem, options[:rdoc_args]).generate_ri
      end

      LibGems::DocManager.update_ri_cache
    end

    if options[:generate_rdoc] then
      updated.each do |gem|
        LibGems::DocManager.new(gem, options[:rdoc_args]).generate_rdoc
      end
    end
  end
end

#update_gem(name, version = LibGems::Requirement.default) ⇒ Object 



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# File 'lib/libgems/commands/update_command.rb', line 89

def update_gem name, version = LibGems::Requirement.default
  return if @updated.any? { |spec| spec.name == name }
  success = false

  say "Updating #{name}"
  begin
    @installer.install name, version
    success = true
  rescue LibGems::InstallError => e
    alert_error "Error installing #{name}:\n\t#{e.message}"
    success = false
  end

  @installer.installed_gems.each do |spec|
    @updated << spec
    say "Successfully installed #{spec.full_name}" if success
  end
end

#update_gems(gems_to_update) ⇒ Object 



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# File 'lib/libgems/commands/update_command.rb', line 108

def update_gems gems_to_update
  gems_to_update.uniq.sort.each do |name|
    update_gem name
  end

  @updated
end

#usage ⇒ Object

:nodoc:



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# File 'lib/libgems/commands/update_command.rb', line 44

def usage # :nodoc:
  "#{program_name} GEMNAME [GEMNAME ...]"
end

#which_to_update(highest_installed_gems, gem_names) ⇒ Object 



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# File 'lib/libgems/commands/update_command.rb', line 116

def which_to_update(highest_installed_gems, gem_names)
  result = []

  highest_installed_gems.each do |l_name, l_spec|
    next if not gem_names.empty? and
            gem_names.all? { |name| /#{name}/ !~ l_spec.name }

    dependency = LibGems::Dependency.new l_spec.name, "> #{l_spec.version}"
    dependency.prerelease = options[:prerelease]

    begin
      fetcher = LibGems::SpecFetcher.fetcher
      spec_tuples = fetcher.find_matching dependency, false, true,
                                          options[:prerelease]
    rescue LibGems::RemoteFetcher::FetchError => e
      raise unless fetcher.warn_legacy e do
        require 'libgems/source_info_cache'

        dependency.name = '' if dependency.name == //

        specs = LibGems::SourceInfoCache.search_with_source dependency

        spec_tuples = specs.map do |spec, source_uri|
          [[spec.name, spec.version, spec.original_platform], source_uri]
        end
      end
    end

    matching_gems = spec_tuples.select do |(name, _, platform),|
      name == l_name and LibGems::Platform.match platform
    end

    highest_remote_gem = matching_gems.sort_by do |(_, version),|
      version
    end.last

    if highest_remote_gem and
       l_spec.version < highest_remote_gem.first[1] then
      result << l_name
    end
  end

  result
end