debshots/lib/tasks/import_debian.rake

93 lines
3.1 KiB
Ruby

require 'open-uri' # allows to load URLs using open()
require 'deb_importer'
include DebImporter
BLACKLIST_NAME_PATTERN=[
'-data$',
'-dev$',
'-doc$',
]
desc "Import package information from Debian-style Packages files"
task :import_debian => :environment do
repositories = Rails.configuration.package_sources
Rails.logger = Logger.new(STDOUT)
Rails.logger.level = Logger::DEBUG
puts "Importing Debian package information"
repositories.each do |repository|
Rails.logger.info "Fetching Release file for repository: #{repository[:url]} with components: #{repository[:components]}"
release = DebImporter::Release.new(repository[:url], repository[:components])
Rails.logger.info "> Supported architectures are: #{release.architectures}"
Rails.logger.info "> Supported components are: #{release.components}"
# TODO: Remember what we imported to show it on the /about page
release.components.split.each do |component|
Rails.logger.info "> Component: #{component}"
release.architectures.split.each do |architecture|
Rails.logger.info ">> Architecture: #{architecture}"
# Check if this component and architecture is available on this mirror
packages = release.packages(component, architecture)
unless packages
Rails.logger.error "No packages for component #{component} on architecture #{architecture} found on this mirror"
next
end
Rails.logger.info "Packages file for #{component} on #{architecture} found."
Rails.logger.debug "Got: #{packages}"
packages.each do |package|
Rails.logger.info "> Package: #{package[:Package]}"
#Rails.logger.debug "Fetching package informaton from our database"
#db_package = Package[name: package[:Package]]
db_package = Package.find_by name: package[:Package]
unless db_package
Rails.logger.debug "No such package in our database."
next
end
Rails.logger.debug "Found in database: #{db_package.id}"
update_data(package, db_package)
end
end
end
end
end
# Update the information about a package in the database
def update_data(package, db_package)
# Check update criteria (blacklist, whitelist)
#for name, name in expression
#code
#end
Rails.logger.debug "New information: #{package.to_yaml}"
Rails.logger.debug "Database information: #{db_package.to_yaml}"
# Check if the version changed
# Only the actual upstream software version (e.g. 1.2) but not the package
# revision (e.g. 4:1.2-ubuntu0)
package[:Version] =~ /(?:\d+\:)?(.+?)(~|\+|\-|$)/
#new_version = package[:Version].split('-')[0]
new_version = $1
if not new_version
Rails.logger.fatal "Could not parse version string: #{package[:Version]}"
end
if new_version != package[:Version]
Rails.logger.debug "- Version changed: #{db_package.version} -> #{new_version}"
db_package.version = new_version
end
db_package.save
# TODO: Deal with different distributions differently
# TODO: get the long description from http://de.archive.ubuntu.com/ubuntu/dists/precise/main/i18n/Translation-en
end