#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby # This script is called by formula_installer as a separate instance. # Rationale: Formula can use __END__, Formula can change ENV # Thrown exceptions are propogated back to the parent process over a pipe require 'global' at_exit do # the whole of everything must be run in at_exit because the formula has to # be the run script as __END__ must work for *that* formula. error_pipe = nil begin # The main Homebrew process expects to eventually see EOF on the error # pipe in FormulaInstaller#build. However, if any child process fails to # terminate (i.e, fails to close the descriptor), this won't happen, and # the installer will hang. Set close-on-exec to prevent this. # Whether it is *wise* to launch daemons from formulae is a separate # question altogether. if ENV['HOMEBREW_ERROR_PIPE'] require 'fcntl' error_pipe = IO.new(ENV['HOMEBREW_ERROR_PIPE'].to_i, 'w') error_pipe.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) end raise $! if $! # an exception was already thrown when parsing the formula require 'hardware' require 'keg' # Force any future invocations of sudo to require the user's password to be # re-entered. This is in-case any build script call sudo. Certainly this is # can be inconvenient for the user. But we need to be safe. system "/usr/bin/sudo -k" install(Formula.factory($0)) rescue Exception => e unless error_pipe.nil? Marshal.dump(e, error_pipe) error_pipe.close exit! 1 else onoe e puts e.backtrace exit! 2 end end end def install f # TODO replace with Formula DSL # Python etc. build but then pip can't build stuff. # Scons resets ENV and then can't find superenv's build-tools. stdenvs = %w{fontforge python python3 ruby ruby-enterprise-edition jruby} ARGV.unshift '--env=std' if stdenvs.include?(f.name) or f.recursive_deps.detect{|d| d.name == 'scons' } keg_only_deps = f.recursive_deps.uniq.select{|dep| dep.keg_only? } require 'superenv' ENV.setup_build_environment unless superenv? keg_only_deps.each do |dep| opt = HOMEBREW_PREFIX/:opt/dep.name #TODO try to fix, if only one key, easy, otherwise check formula.version raise "#{opt} not present\nReinstall #{dep}. Sorry :(" unless opt.directory? if not superenv? ENV.prepend_path 'PATH', "#{opt}/bin" ENV.prepend_path 'PKG_CONFIG_PATH', "#{opt}/lib/pkgconfig" ENV.prepend_path 'PKG_CONFIG_PATH', "#{opt}/share/pkgconfig" ENV.prepend_path 'ACLOCAL_PATH', "#{opt}/share/aclocal" ENV.prepend_path 'CMAKE_PREFIX_PATH', opt ENV.prepend 'LDFLAGS', "-L#{opt}/lib" if (opt/:lib).directory? ENV.prepend 'CPPFLAGS', "-I#{opt}/include" if (opt/:include).directory? end end if superenv? ENV.deps = keg_only_deps.map(&:to_s) ENV.setup_build_environment end f.recursive_requirements.each { |req| req.modify_build_environment } if f.fails_with? ENV.compiler cs = CompilerSelector.new f cs.select_compiler cs.advise end f.brew do if ARGV.flag? '--git' system "git init" system "git add -A" end if ARGV.flag? '--interactive' ohai "Entering interactive mode" puts "Type `exit' to return and finalize the installation" puts "Install to this prefix: #{f.prefix}" if ARGV.flag? '--git' puts "This directory is now a git repo. Make your changes and then use:" puts " git diff | pbcopy" puts "to copy the diff to the clipboard." end interactive_shell f nil else f.prefix.mkpath f.install FORMULA_META_FILES.each do |filename| next if File.directory? filename target_file = filename target_file = "#{filename}.txt" if File.exists? "#{filename}.txt" # Some software symlinks these files (see help2man.rb) target_file = Pathname.new(target_file).resolved_path f.prefix.install target_file => filename rescue nil (f.prefix+file).chmod 0644 rescue nil end end end end