switch to posix-spawn for jruby

Gemfile

@@ -2,6 +2,10 @@ source "http://rubygems.org"
 
 gemspec
 
+platform :jruby do
+  gem "posix-spawn", "~> 0.3.6"
+end
+
 group :development do
   gem 'parka'
   gem 'rake'

Gemfile.lock

@@ -24,6 +24,7 @@ GEM
       crack
       rest-client
       thor
+    posix-spawn (0.3.6)
     rake (0.9.2.2)
     rcov (0.9.8)
     rcov (0.9.8-java)
@@ -57,6 +58,7 @@ DEPENDENCIES
   fakefs (~> 0.3.2)
   foreman!
   parka
+  posix-spawn (~> 0.3.6)
   rake
   rcov (~> 0.9.8)
   ronn

foreman.gemspec

@@ -19,8 +19,8 @@ Gem::Specification.new do |gem|
   gem.add_dependency 'term-ansicolor', '~> 1.0.7'
   gem.add_dependency 'thor',           '>= 0.13.6'
 
-  if RUBY_PLATFORM == "java" || ENV["JRUBY"]
-    gem.add_dependency "spoon", "~> 0.0.1"
+  if ENV["JRUBY"]
+    gem.add_dependency "posix-spawn", "~> 0.3.6"
     gem.platform = Gem::Platform.new("java")
   end
 end

lib/foreman/process.rb

@@ -34,8 +34,10 @@ private
     reader, writer = IO.pipe
     command = replace_command_env(command)
     pid = if jruby?
-      require "spoon"
-      Spoon.spawnp Foreman.runner, "-d", basedir, command
+      require "posix/spawn"
+      POSIX::Spawn.spawn(Foreman.runner, "-d", basedir, command, {
+        :out => writer, :err => writer
+      })
     else
       fork do
         trap("INT", "IGNORE")