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#!/usr/bin/env ruby
# vim: set sw=4 sts=4 et tw=100 :
=begin description
This example demonstrates how to use Mask. It displays all the
mask keys for a particular PackageID.
=end
require 'Paludis'
require 'example_command_line'
include Paludis
exit_status = 0
# We start with an Environment, respecting the user's '--environment' choice.
env = EnvironmentFactory.instance.create(ExampleCommandLine.instance.environment)
# Mostly PackageDatabase is used by Environment. But other methods are useful:
if env.package_database.has_repository_named?('gentoo')
repo = env.package_database.fetch_repository('gentoo')
puts "Repository 'gentoo' exists, and has format '" +
(repo.format_key ? repo.format_key.value : '') + "'"
end
puts "Our favourite repository is '#{env.package_database.favourite_repository}'"
begin
name = env.package_database.fetch_unique_qualified_package_name('git')
puts "The only package named 'git' is '#{name}'"
rescue NoSuchPackageError
puts "There is no package named 'git'"
rescue AmbiguousPackageNameError
puts "There are several packages named 'git':"
$!.options.each do |o|
puts " #{o}"
end
end
exit exit_status
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