Class: DRG::Tasks::Updater

Inherits:
Object
  • Object
show all
Includes:
Log
Defined in:
lib/drg/tasks/updater.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Log

log

Constructor Details

#initialize ⇒ Updater

Returns a new instance of Updater.



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# File 'lib/drg/tasks/updater.rb', line 8

def initialize
  @gemfile = Gemfile.new
  @failures = Set.new
  @bundler = Bundler::CLI.new [], debug: true, current_command: OpenStruct.new
  @versions = {}
end

Instance Attribute Details

#bundler ⇒ Object (readonly)

Returns the value of attribute bundler.



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# File 'lib/drg/tasks/updater.rb', line 6

def bundler
  @bundler
end

#failures ⇒ Object (readonly)

Returns the value of attribute failures.



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# File 'lib/drg/tasks/updater.rb', line 6

def failures
  @failures
end

#gemfile ⇒ Object (readonly)

Returns the value of attribute gemfile.



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# File 'lib/drg/tasks/updater.rb', line 6

def gemfile
  @gemfile
end

Instance Method Details

#perform(handler = method(:try_update)) ⇒ Object

TODO:

Cleanup old gems when finished

Note:

‘bundle outdated` returns lines that look like ’slop (newest 4.2.0, installed 3.6.0) in group “default”‘

Updates the projects outdated gems listed in the Gemfile



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# File 'lib/drg/tasks/updater.rb', line 19

def perform(handler = method(:try_update))
  log 'Searching for outdated gems ....'
  outdated = `bundle outdated`.scan(/\s\*\s(.+)\s/).flatten
  gems = outdated.map do |item|
    gem = OpenStruct.new
    gem.name = item[/([\-\w0-9]+)\s/, 1]
    gem.entry = gemfile.find_by_name(gem.name)
    next unless gem.entry
    gem.latest_version = item[/newest\s([\d.\w]+)/, 1]
    gem.current_version = item[/installed\s([\d.\w]+)/, 1]
    gem
  end.compact
  if gems.any?
    gems.each &handler
  else
    log 'All gems up to date!'
  end
end

#try_update(gem) ⇒ Object

Parameters:

  • gem (OpenStruct) 


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# File 'lib/drg/tasks/updater.rb', line 39

def try_update(gem)
  log(%Q[Updating "#{gem.name}" from #{gem.current_version} to #{gem.latest_version}])
  gemfile.remove_version gem.entry
  bundler.update(gem.name)
  if $0.to_i.zero?
    log(%Q[Succeeded in installing "#{gem.name}" (#{gem.latest_version})])
    if system('rake')
      log(%Q[Tests passed! Updating Gemfile entry for "#{gem.name}" to #{gem.latest_version}])
      gemfile.update(gem.entry, gem.latest_version)
      gemfile.write
    else
      failures << gem.name
    end
  else
    fail StandardError, %Q[Failed to update "#{gem.name}"]
  end
rescue Bundler::GemNotFound, Bundler::InstallError, Bundler::VersionConflict => e
  # @todo retry it later
  log %Q[Failed to find a compatible of "#{gem.name}" (#{gem.latest_version}): #{e.class} #{e.message}]
  gemfile.rollback
  failures << gem.name
rescue => e
  puts "#{e.class}: #{e.message} #{e.backtrace}"
  gemfile.rollback
end