Class: UpgradeChecker

Inherits:
Object
  • Object
show all
Includes:
Thor::Shell
Defined in:
lib/docker-sync/upgrade_check.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ UpgradeChecker

Returns a new instance of UpgradeChecker.



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# File 'lib/docker-sync/upgrade_check.rb', line 8

def initialize
  @config = DockerSync::GlobalConfig.load
end

Class Method Details

.get_current_version ⇒ Object 



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# File 'lib/docker-sync/upgrade_check.rb', line 39

def self.get_current_version
  path = File.expand_path('../../../', __FILE__)
  return File.read("#{path}/VERSION")
end

Instance Method Details

#check_and_warn ⇒ Object 



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# File 'lib/docker-sync/upgrade_check.rb', line 51

def check_and_warn
  # this is the upgrade hook for the unison-unox introduction / rename of unison
  if Gem::Version.new(last_upgraded_version) <  Gem::Version.new('0.1.0')
    Thor::Shell::Basic.new.say_status 'warning', 'Please be aware that with the strategy "unison" is now called unison-onesided and you might need to migrate. See https://github.com/EugenMayer/docker-sync/wiki/Migration-Guide for more informations', :red
    unless Thor::Shell::Basic.new.yes?('Shall we continue? (y/N)')
      exit 1
    end
  end

  if Gem::Version.new(last_upgraded_version) <  Gem::Version.new('0.2.0')
    Thor::Shell::Basic.new.say_status 'warning', "A lot changed with 0.2.x! Unison is the default sync, unison-onesided has been REMOVED. If you have been using rsync, have been using unison excludes or you are not sure, please read the upgrade guide or your setup will go lala! : \n\n_Please_ read :): https://github.com/EugenMayer/docker-sync/wiki/1.2-Upgrade-Guide\n\n", :red
    unless Thor::Shell::Basic.new.yes?('Shall we continue - DID you read it? (y/N)')
      exit 1
    end
  end

  if Gem::Version.new(last_upgraded_version) <  Gem::Version.new('0.3.0')
    Thor::Shell::Basic.new.say_status 'warning', "The installation progress of docker-sync 0.3.0 has changed, brew is now mandatory - you need to uninstall unox ! : \n\n_Please_ read :): https://github.com/EugenMayer/docker-sync/wiki/1.3-Upgrade-Guide\n\n", :red

    cmd1 = 'sudo rm -f /usr/local/bin/unison-fsmonitor && brew tap eugenmayer/dockersync && brew install eugenmayer/dockersync/unox'
    Thor::Shell::Basic.new.say_status 'ok', cmd1, :rwhite

    if Thor::Shell::Basic.new.yes?('I will reinstall docker-sync for you using the above command (y/N)')
      system cmd1
    else
      raise('Please reinstall docker-sync yourself')
      exit 1
    end
  end


  # update the upgrade_status
  @config.update! 'upgrade_status' => "#{UpgradeChecker.get_current_version}"
end

#docker_sync_update_check ⇒ Object 



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# File 'lib/docker-sync/upgrade_check.rb', line 44

def docker_sync_update_check
  gem_name = 'docker-sync'
  current_version = UpgradeChecker.get_current_version
  checker = GemUpdateChecker::Client.new(gem_name, current_version)
  return checker
end

#last_upgraded_version ⇒ Object 



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# File 'lib/docker-sync/upgrade_check.rb', line 19

def last_upgraded_version
  @config['upgrade_status']
end

#run ⇒ Object 



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# File 'lib/docker-sync/upgrade_check.rb', line 12

def run
  unless should_run
    return
  end
  check_and_warn
end

#should_run ⇒ Object 



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# File 'lib/docker-sync/upgrade_check.rb', line 23

def should_run
  # get the update_status which is the version of the update hook which has been run already
  upgrade_status = last_upgraded_version
  if upgrade_status == ''
    @config.update! 'upgrade_status' => "#{UpgradeChecker.get_current_version}"
    return
  end

  if Gem::Version.new(upgrade_status) < Gem::Version.new(UpgradeChecker.get_current_version) # thats how we compare the version
    return true
  end

  return false
end