brew/Library/Homebrew/extend/os/mac/system_config.rb
Mike McQuaid bcb1ec5499
Improve Homebrew/brew line length.
Use 124 max line length everywhere. Also, reduce tap max line length to
189 as Homebrew/homebrew-core has that as a maximum now. In future
Homebrew/homebrew-core will also be reduced to 124 maximum line length.
2018-09-02 16:15:09 +01:00

68 lines
1.9 KiB
Ruby

class SystemConfig
class << self
undef describe_java, describe_homebrew_ruby
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_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 xcode
@xcode ||= if MacOS::Xcode.installed?
xcode = MacOS::Xcode.version.to_s
xcode += " => #{MacOS::Xcode.prefix}" unless MacOS::Xcode.default_prefix?
xcode
end
end
def clt
@clt ||= if MacOS::CLT.installed? && MacOS::Xcode.version >= "4.3"
MacOS::CLT.version
end
end
def clt_headers
@clt_headers ||= if MacOS::CLT.headers_installed?
MacOS::CLT.headers_version
end
end
def xquartz
@xquartz ||= if MacOS::XQuartz.installed?
"#{MacOS::XQuartz.version} => #{describe_path(MacOS::XQuartz.prefix)}"
end
end
def dump_verbose_config(f = $stdout)
dump_generic_verbose_config(f)
f.puts "macOS: #{MacOS.full_version}-#{kernel}"
f.puts "CLT: #{clt || "N/A"}"
if MacOS::CLT.separate_header_package?
f.puts "CLT headers: #{clt_headers || "N/A"}"
end
f.puts "Xcode: #{xcode || "N/A"}"
f.puts "XQuartz: #{xquartz || "N/A"}"
end
end
end