brew/Library/Homebrew/os/linux.rb
Patrick Linnane a7b316ea76
brew style --fix
Signed-off-by: Patrick Linnane <patrick@linnane.io>
2024-09-25 19:38:57 -07:00

61 lines
1.6 KiB
Ruby

# typed: strict
# frozen_string_literal: true
require "utils"
module OS
# Helper module for querying system information on Linux.
module Linux
raise "Loaded OS::Linux on generic OS!" if ENV["HOMEBREW_TEST_GENERIC_OS"]
# This check is the only acceptable or necessary one in this file.
# rubocop:disable Homebrew/MoveToExtendOS
raise "Loaded OS::Linux on macOS!" if OS.mac?
# rubocop:enable Homebrew/MoveToExtendOS
# Get the OS version.
#
# @api internal
sig { returns(String) }
def self.os_version
if which("lsb_release")
lsb_info = Utils.popen_read("lsb_release", "-a")
description = lsb_info[/^Description:\s*(.*)$/, 1].force_encoding("UTF-8")
codename = lsb_info[/^Codename:\s*(.*)$/, 1]
if codename.blank? || (codename == "n/a")
description
else
"#{description} (#{codename})"
end
elsif (redhat_release = Pathname.new("/etc/redhat-release")).readable?
redhat_release.read.chomp
elsif ::OS_VERSION.present?
::OS_VERSION
else
"Unknown"
end
end
sig { returns(T::Boolean) }
def self.wsl?
/-microsoft/i.match?(OS.kernel_version.to_s)
end
sig { returns(Version) }
def self.wsl_version
return Version::NULL unless wsl?
kernel = OS.kernel_version.to_s
if Version.new(T.must(kernel[/^([0-9.]*)-.*/, 1])) > Version.new("5.15")
Version.new("2 (Microsoft Store)")
elsif kernel.include?("-microsoft")
Version.new("2")
elsif kernel.include?("-Microsoft")
Version.new("1")
else
Version::NULL
end
end
end
end