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os/mac/sdk: read version from SDKSettings

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This commit is contained in:
Bo Anderson 2021-02-07 04:16:36 +00:00
parent 61cda1465f
commit 8c81a2822c
1 changed files with 56 additions and 38 deletions
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94
Library/Homebrew/os/mac/sdk.rb
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@ -9,6 +9,8 @@ module OS
#
# @api private
class SDK
VERSIONED_SDK_REGEX = /MacOSX(\d+\.\d+)\.sdk$/.freeze
attr_reader :version, :path, :source
def initialize(version, path, source)
@ -25,14 +27,39 @@ module OS
class NoSDKError < StandardError; end
def sdk_for(v)
path = sdk_paths[v]
raise NoSDKError if path.nil?
sdk = all_sdks.find { |s| s.version == v }
raise NoSDKError if sdk.nil?
SDK.new v, path, source
sdk
end
def all_sdks
sdk_paths.map { |v, p| SDK.new v, p, source }
return @all_sdks if @all_sdks
@all_sdks = []
# Bail out if there is no SDK prefix at all
return @all_sdks unless File.directory? sdk_prefix
# Use unversioned SDK path on Big Sur to avoid issues such as:
# https://github.com/Homebrew/homebrew-core/issues/67075
unversioned_sdk_path = Pathname.new("#{sdk_prefix}/MacOSX.sdk")
version = read_sdk_version(unversioned_sdk_path)
if version && version >= :big_sur
unversioned_sdk_version = version
@all_sdks << SDK.new(unversioned_sdk_version, unversioned_sdk_path, source)
end
Dir["#{sdk_prefix}/MacOSX*.sdk"].each do |sdk_path|
next unless sdk_path.match?(SDK::VERSIONED_SDK_REGEX)
version = read_sdk_version(Pathname.new(sdk_path))
next if version.nil? || version == unversioned_sdk_version
@all_sdks << SDK.new(version, sdk_path, source)
end
@all_sdks
end
def sdk_if_applicable(v = nil)
@ -64,43 +91,34 @@ module OS
""
end
def sdk_paths
@sdk_paths ||= begin
# Bail out if there is no SDK prefix at all
if File.directory? sdk_prefix
paths = {}
Dir[File.join(sdk_prefix, "MacOSX*.sdk")].each do |sdk_path|
version = sdk_path[/MacOSX(\d+\.\d+)u?\.sdk$/, 1]
paths[OS::Mac::Version.new(version)] = sdk_path if version.present?
end
# Use unversioned SDK path on Big Sur to avoid issues such as:
# https://github.com/Homebrew/homebrew-core/issues/67075
# This creates an entry in `paths` whose key is the OS major version
sdk_path = Pathname.new("#{sdk_prefix}/MacOSX.sdk")
sdk_settings = sdk_path/"SDKSettings.json"
if sdk_settings.exist? &&
(sdk_settings_string = sdk_settings.read.presence) &&
(sdk_settings_json = JSON.parse(sdk_settings_string).presence) &&
(version_string = sdk_settings_json.fetch("Version", nil).presence) &&
(version = version_string[/(\d+)\./, 1].presence)
paths[OS::Mac::Version.new(version)] = sdk_path
end
paths
else
{}
end
end
def latest_sdk
all_sdks.max_by(&:version)
end
# NOTE: This returns a versioned SDK path, even on Big Sur
def latest_sdk
return if sdk_paths.empty?
def read_sdk_version(sdk_path)
sdk_settings = sdk_path/"SDKSettings.json"
sdk_settings_string = sdk_settings.read if sdk_settings.exist?
v, path = sdk_paths.max { |(v1, _), (v2, _)| v1 <=> v2 }
SDK.new v, path, source
# Pre-10.14 SDKs
sdk_settings = sdk_path/"SDKSettings.plist"
if sdk_settings_string.blank? && sdk_settings.exist?
result = system_command("plutil", args: ["-convert", "json", "-o", "-", sdk_settings])
sdk_settings_string = result.stdout if result.success?
end
return if sdk_settings_string.blank?
sdk_settings_json = JSON.parse(sdk_settings_string)
return if sdk_settings_json.blank?
version_string = sdk_settings_json.fetch("Version", nil)
return if version_string.blank?
begin
OS::Mac::Version.new(version_string).strip_patch
rescue MacOSVersionError
nil
end
end
end
private_constant :BaseSDKLocator