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class SystemConfig
class << self
def xcode
if instance_variable_defined?(:@xcode)
@xcode
elsif MacOS::Xcode.installed?
@xcode = MacOS::Xcode.version.to_s
@xcode += " => #{MacOS::Xcode.prefix}" unless MacOS::Xcode.default_prefix?
@xcode
end
end
def clt
if instance_variable_defined?(:@clt)
@clt
elsif MacOS::CLT.installed? && MacOS::Xcode.version >= "4.3"
@clt = MacOS::CLT.version
end
end
def macports_or_fink
@ponk ||= MacOS.macports_or_fink
@ponk.join(", ") unless @ponk.empty?
end
def describe_java
# java_home doesn't exist on all macOSs; it might be missing on older versions.
return "N/A" unless File.executable? "/usr/libexec/java_home"
java_xml = Utils.popen_read("/usr/libexec/java_home", "--xml", "--failfast", err: :close)
return "N/A" unless $CHILD_STATUS.success?
javas = []
REXML::XPath.each(REXML::Document.new(java_xml), "//key[text()='JVMVersion']/following-sibling::string") do |item|
javas << item.text
end
javas.uniq.join(", ")
end
def describe_xquartz
return "N/A" unless MacOS::XQuartz.installed?
"#{MacOS::XQuartz.version} => #{describe_path(MacOS::XQuartz.prefix)}"
end
def describe_homebrew_ruby
s = describe_homebrew_ruby_version
if RUBY_PATH.to_s !~ %r{^/System/Library/Frameworks/Ruby\.framework/Versions/[12]\.[089]/usr/bin/ruby}
"#{s} => #{RUBY_PATH}"
else
s
end
end
def dump_verbose_config(f = $stdout)
dump_generic_verbose_config(f)
f.puts "macOS: #{MacOS.full_version}-#{kernel}"
f.puts "Xcode: #{xcode ? xcode : "N/A"}"
f.puts "CLT: #{clt ? clt : "N/A"}"
f.puts "X11: #{describe_xquartz}"
f.puts "MacPorts/Fink: #{macports_or_fink}" if macports_or_fink
end
end
end
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