Module: PDK::CLI::Remove::Config

Defined in:
lib/pdk/cli/remove/config.rb

Class Method Summary collapse

Class Method Details

.run(opts, args) ⇒ Object

Raises:



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# File 'lib/pdk/cli/remove/config.rb', line 4

def self.run(opts, args)
  item_name = (args.count > 0) ? args[0] : nil
  item_value = (args.count > 1) ? args[1].strip : nil
  item_value = nil if !item_value.nil? && item_value.empty?

  force = opts[:force] || false

  raise PDK::CLI::ExitWithError, _('Configuration name is required') if item_name.nil?

  current_value = PDK.config.get(item_name)
  raise PDK::CLI::ExitWithError, _("The configuration item '%{name}' can not be removed.") % { name: item_name } if current_value.is_a?(PDK::Config::Namespace)
  if current_value.nil?
    PDK.logger.info(_("Could not remove '%{name}' as it has not been set") % { name: item_name })
    return 0
  end

  PDK.logger.info(_("Ignoring the item value '%{value}' as --force has been set") % { value: item_value }) if current_value.is_a?(Array) && !item_value.nil? && force
  PDK.logger.info(_('Ignoring --force as the setting is not multi-valued')) if !current_value.is_a?(Array) && force

  # FIXME: It'd be nice to shortcircuit deleting default values.  This causes the configuration file
  # to be saved, even though nothing actually changes

  # For most value types, just changing the value to nil is enough, however Arrays are a special case.
  # Unless they're forced, array removal with either remove a single entry (matched by .to_s) or clear the
  # array.  When forced, the array is completed removed just like a string or number.
  if current_value.is_a?(Array) && !force
    # If the user didn't set a value then set the array as empty, otherwise remove that one item
    new_value = item_value.nil? ? [] : current_value.reject { |item| item.to_s == item_value }
    if current_value.count == new_value.count
      if item_value.nil?
        PDK.logger.info(_("Could not remove '%{name}' as it is already empty") % { name: item_name })
      else
        PDK.logger.info(_("Could not remove '%{value}' from '%{name}' as it has not been set") % { value: item_value, name: item_name })
      end
      return 0
    end
    PDK.config.set(item_name, new_value, force: true)
  else
    # Set the value to nil for deleting.
    PDK.config.set(item_name, nil, force: true)
  end

  # Output the result to the user
  new_value = PDK.config.get(item_name)
  if current_value.is_a?(Array) && !force
    # Arrays have a special output format. If item_value is nil then the user wanted to empty/clear
    # the array otherwise they just wanted to remove a single entry.
    if item_value.nil?
      PDK.logger.info(_("Cleared '%{name}' which had a value of '%{from}'") % { name: item_name, from: current_value })
    else
      PDK.logger.info(_("Removed '%{value}' from '%{name}'") % { value: item_value, name: item_name })
    end
  elsif !new_value.nil?
    PDK.logger.info(_("Could not remove '%{name}' as it using a default value of '%{to}'") % { name: item_name, to: new_value })
  else
    PDK.logger.info(_("Removed '%{name}' which had a value of '%{from}'") % { name: item_name, from: current_value })
  end

  # Same output as `get config`
  $stdout.puts _('%{name}=%{value}') % { name: item_name, value: new_value }
  0
end