5a62582b39
Rather than doing type introspection in build.rb, just define a method to perform the necessary environment setup for Requirements. Signed-off-by: Jack Nagel <jacknagel@gmail.com>
121 lines
3.6 KiB
Ruby
Executable File
121 lines
3.6 KiB
Ruby
Executable File
#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
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# This script is called by formula_installer as a separate instance.
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# Rationale: Formula can use __END__, Formula can change ENV
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# Thrown exceptions are propogated back to the parent process over a pipe
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require 'global'
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at_exit do
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# the whole of everything must be run in at_exit because the formula has to
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# be the run script as __END__ must work for *that* formula.
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error_pipe = nil
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begin
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raise $! if $! # an exception was already thrown when parsing the formula
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require 'extend/ENV'
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require 'hardware'
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require 'keg'
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ENV.extend(HomebrewEnvExtension)
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ENV.setup_build_environment
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# we must do this or tools like pkg-config won't get found by configure scripts etc.
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ENV.prepend 'PATH', "#{HOMEBREW_PREFIX}/bin", ':' unless ORIGINAL_PATHS.include? HOMEBREW_PREFIX/'bin'
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# Force any future invocations of sudo to require the user's password to be
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# re-entered. This is in-case any build script call sudo. Certainly this is
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# can be inconvenient for the user. But we need to be safe.
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system "/usr/bin/sudo -k"
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# The main Homebrew process expects to eventually see EOF on the error
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# pipe in FormulaInstaller#build. However, if any child process fails to
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# terminate (i.e, fails to close the descriptor), this won't happen, and
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# the installer will hang. Set close-on-exec to prevent this.
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# Whether it is *wise* to launch daemons from formulae is a separate
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# question altogether.
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if ENV['HOMEBREW_ERROR_PIPE']
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require 'fcntl'
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error_pipe = IO.new(ENV['HOMEBREW_ERROR_PIPE'].to_i, 'w')
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error_pipe.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
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end
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install(Formula.factory($0))
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rescue Exception => e
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unless error_pipe.nil?
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Marshal.dump(e, error_pipe)
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error_pipe.close
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exit! 1
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else
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onoe e
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puts e.backtrace
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exit! 2
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end
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end
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end
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def install f
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f.external_deps.each { |dep| dep.modify_build_environment }
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f.recursive_deps.uniq.each do |dep|
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dep = Formula.factory dep
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if dep.keg_only?
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ENV.prepend 'LDFLAGS', "-L#{dep.lib}"
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ENV.prepend 'CPPFLAGS', "-I#{dep.include}"
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ENV.prepend 'PATH', "#{dep.bin}", ':'
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pcdir = dep.lib/'pkgconfig'
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ENV.prepend 'PKG_CONFIG_PATH', pcdir, ':' if pcdir.directory?
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acdir = dep.share/'aclocal'
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ENV.prepend 'ACLOCAL_PATH', acdir, ':' if acdir.directory?
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end
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end
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if f.fails_with? ENV.compiler
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cs = CompilerSelector.new f
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cs.select_compiler
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cs.advise
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end
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f.brew do
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if ARGV.flag? '--git'
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system "git init"
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system "git add -A"
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end
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if ARGV.flag? '--interactive'
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ohai "Entering interactive mode"
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puts "Type `exit' to return and finalize the installation"
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puts "Install to this prefix: #{f.prefix}"
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if ARGV.flag? '--git'
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puts "This directory is now a git repo. Make your changes and then use:"
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puts " git diff | pbcopy"
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puts "to copy the diff to the clipboard."
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end
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interactive_shell f
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nil
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else
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f.prefix.mkpath
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f.install
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FORMULA_META_FILES.each do |filename|
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next if File.directory? filename
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target_file = filename
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target_file = "#{filename}.txt" if File.exists? "#{filename}.txt"
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# Some software symlinks these files (see help2man.rb)
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target_file = Pathname.new(target_file).resolved_path
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f.prefix.install target_file => filename rescue nil
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(f.prefix+file).chmod 0644 rescue nil
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end
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end
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end
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rescue Exception
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if f.prefix.directory?
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f.prefix.rmtree
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f.rack.rmdir_if_possible
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end
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raise
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end
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