39 lines
747 B
Ruby
39 lines
747 B
Ruby
# typed: true
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# frozen_string_literal: true
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require "delegate"
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require "etc"
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require "system_command"
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# A system user.
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#
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# @api private
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class User < SimpleDelegator
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extend T::Sig
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include SystemCommand::Mixin
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# Return whether the user has an active GUI session.
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sig { returns(T::Boolean) }
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def gui?
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out, _, status = system_command "who"
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return false unless status.success?
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out.lines
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.map(&:split)
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.any? { |user, type,| user == self && type == "console" }
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end
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# Return the current user.
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sig { returns(T.nilable(T.attached_class)) }
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def self.current
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return @current if defined?(@current)
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pwuid = Etc.getpwuid(Process.euid)
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return if pwuid.nil?
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@current = new(pwuid.name)
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end
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end
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