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#!/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
raise $! if $! # an exception was already thrown when parsing the formula
require 'extend/ENV'
require 'hardware'
require 'keg'
ENV.extend(HomebrewEnvExtension)
ENV.setup_build_environment
# we must do this or tools like pkg-config won't get found by configure scripts etc.
ENV.prepend 'PATH', "#{HOMEBREW_PREFIX}/bin", ':' unless ORIGINAL_PATHS.include? HOMEBREW_PREFIX/'bin'
# 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"
# 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
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
f.recursive_requirements.each { |req| req.modify_build_environment }
f.recursive_deps.uniq.each do |dep|
dep = Formula.factory dep
if dep.keg_only?
ENV.prepend 'LDFLAGS', "-L#{dep.lib}"
ENV.prepend 'CPPFLAGS', "-I#{dep.include}"
ENV.prepend 'PATH', "#{dep.bin}", ':'
pcdir = dep.lib/'pkgconfig'
ENV.prepend 'PKG_CONFIG_PATH', pcdir, ':' if pcdir.directory?
acdir = dep.share/'aclocal'
ENV.prepend 'ACLOCAL_PATH', acdir, ':' if acdir.directory?
end
end
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
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