debian-mirror-gitlab/app/services/packages/debian/extract_deb_metadata_service.rb
2021-01-29 00:20:46 +05:30

41 lines
923 B
Ruby

# frozen_string_literal: true
module Packages
module Debian
# Returns .deb file metadata
class ExtractDebMetadataService
CommandFailedError = Class.new(StandardError)
def initialize(file_path)
@file_path = file_path
end
def execute
unless success?
raise CommandFailedError, "The `#{cmd}` command failed (status: #{result.status}) with the following error:\n#{result.stderr}"
end
sections = ParseDebian822Service.new(result.stdout).execute
sections.each_value.first
end
private
def cmd
@cmd ||= begin
dpkg_deb_path = Gitlab.config.packages.dpkg_deb_path
[dpkg_deb_path, '--field', @file_path]
end
end
def result
@result ||= Gitlab::Popen.popen_with_detail(cmd)
end
def success?
result.status&.exitstatus == 0
end
end
end
end