86 lines
2.4 KiB
Ruby
86 lines
2.4 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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require "utils"
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module OS
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# Helper module for querying system information on Linux.
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module Linux
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raise "Loaded OS::Linux on generic OS!" if ENV["HOMEBREW_TEST_GENERIC_OS"]
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# This check is the only acceptable or necessary one in this file.
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# rubocop:disable Homebrew/MoveToExtendOS
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raise "Loaded OS::Linux on macOS!" if OS.mac?
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# rubocop:enable Homebrew/MoveToExtendOS
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@languages = T.let([], T::Array[String])
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# Get the OS version.
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#
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# @api internal
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sig { returns(String) }
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def self.os_version
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if which("lsb_release")
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lsb_info = Utils.popen_read("lsb_release", "-a")
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description = lsb_info[/^Description:\s*(.*)$/, 1].force_encoding("UTF-8")
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codename = lsb_info[/^Codename:\s*(.*)$/, 1]
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if codename.blank? || (codename == "n/a")
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description
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else
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"#{description} (#{codename})"
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end
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elsif (redhat_release = Pathname.new("/etc/redhat-release")).readable?
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redhat_release.read.chomp
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elsif ::OS_VERSION.present?
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::OS_VERSION
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else
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"Unknown"
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end
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end
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sig { returns(T::Boolean) }
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def self.wsl?
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/-microsoft/i.match?(OS.kernel_version.to_s)
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end
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sig { returns(Version) }
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def self.wsl_version
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return Version::NULL unless wsl?
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kernel = OS.kernel_version.to_s
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if Version.new(T.must(kernel[/^([0-9.]*)-.*/, 1])) > Version.new("5.15")
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Version.new("2 (Microsoft Store)")
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elsif kernel.include?("-microsoft")
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Version.new("2")
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elsif kernel.include?("-Microsoft")
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Version.new("1")
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else
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Version::NULL
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end
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end
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sig { returns(T::Array[String]) }
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def self.languages
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return @languages if @languages.present?
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locale_variables = ENV.keys.grep(/^(?:LC_\S+|LANG|LANGUAGE)\Z/).sort
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ctl_ret = Utils.popen_read("localectl", "list-locales")
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if ctl_ret.present?
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list = ctl_ret.scan(/[^ \n"(),]+/)
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elsif locale_variables.present?
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keys = locale_variables.select { |var| ENV.fetch(var) }
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list = keys.map { |key| ENV.fetch(key) }
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else
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list = ["en_US.utf8"]
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end
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@languages = list.map { |item| item.split(".").first.tr("_", "-") }
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end
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sig { returns(T.nilable(String)) }
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def self.language
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languages.first
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end
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end
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end
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