Class: Wright::Provider::Package::Apt

Inherits:
Wright::Provider::Package show all
Defined in:
lib/wright/provider/package/apt.rb

Overview

Apt package provider. Used as a provider for Resource::Package on Debian-based systems.

Constant Summary

Constants inherited from Wright::Provider

Wright::Provider::PROVIDER_DIR

Instance Method Summary collapse

Methods inherited from Wright::Provider::Package

#install, #installed?, #remove

Methods inherited from Wright::Provider

#initialize, #updated?

Constructor Details

This class inherits a constructor from Wright::Provider

Instance Method Details

#installed_versionsArray<String>

Returns the installed package versions.

Returns:

  • (Array<String>)

    the installed package versions


13
14
15
16
17
18
19
20
21
22
# File 'lib/wright/provider/package/apt.rb', line 13

def installed_versions
  package = "package '#{package_name}'"
  err = "Cannot determine installed versions for #{package}"
  apt_policy = exec_or_fail('apt-cache', ['policy', package_name], err)

  version_re = /(?!\(none\)).*/
  installed_re = /^  Installed: (?<version>#{version_re})$/
  match = installed_re.match(apt_policy)
  match ? [match['version']] : virtual_package_versions
end