1da26d89ea
It just seems to behave strangely with SIGINT. Eg. SIGINT causes tar to exit, but the SIGINT is ignored by our process. This is not the case when used with curl.
73 lines
1.7 KiB
Ruby
73 lines
1.7 KiB
Ruby
require 'beer_events'
|
|
require 'formula'
|
|
require 'set'
|
|
|
|
class FormulaInstaller
|
|
@@attempted = Set.new
|
|
|
|
def initialize
|
|
@install_deps = true
|
|
end
|
|
|
|
attr_writer :install_deps
|
|
|
|
def expand_deps f
|
|
deps = []
|
|
f.deps.collect do |dep|
|
|
dep = Formula.factory dep
|
|
deps += expand_deps dep
|
|
deps << dep
|
|
end
|
|
deps
|
|
end
|
|
|
|
def install f
|
|
expand_deps(f).each do |dep|
|
|
begin
|
|
install_private dep unless dep.installed?
|
|
rescue
|
|
#TODO continue if this is an optional dep
|
|
raise
|
|
end
|
|
end if @install_deps
|
|
|
|
install_private f
|
|
end
|
|
|
|
private
|
|
|
|
def install_private f
|
|
return if @@attempted.include? f.name
|
|
@@attempted << f.name
|
|
|
|
# 1. formulae can modify ENV, so we must ensure that each
|
|
# installation has a pristine ENV when it starts, forking now is
|
|
# the easiest way to do this
|
|
# 2. formulae have access to __END__ the only way to allow this is
|
|
# to make the formula script the executed script
|
|
read, write = IO.pipe
|
|
# I'm guessing this is not a good way to do this, but I'm no UNIX guru
|
|
ENV['HOMEBREW_ERROR_PIPE'] = write.to_i.to_s
|
|
|
|
watch_out_for_spill do
|
|
fork do
|
|
begin
|
|
read.close
|
|
exec '/usr/bin/ruby', '-I', File.dirname(__FILE__), '-rinstall', f.path, '--', *ARGV.options
|
|
rescue => e
|
|
Marshal.dump(e, write)
|
|
write.close
|
|
exit! 1
|
|
end
|
|
end
|
|
ignore_interrupts do # because child proc will get it and marshall it back
|
|
write.close
|
|
Process.wait
|
|
data = read.read
|
|
raise Marshal.load(data) unless data.nil? or data.empty?
|
|
raise "Suspicious installation failure" unless $?.success?
|
|
end
|
|
end
|
|
end
|
|
end
|