command.rb in buildbox-0.5

- old
+ new

@@ -1,11 +1,15 @@
 require 'childprocess'
-require 'pty'
 
 # Inspiration from:
 # https://github.com/mitchellh/vagrant/blob/master/lib/vagrant/util/subprocess.rb
 
+begin
+  require 'pty' # PTY isn't available on Windows
+rescue LoadError
+end
+
 module Buildbox
   class Command
     # The chunk size for reading from subprocess IO.
     READ_CHUNK_SIZE = 4096
 
@@ -66,10 +70,10 @@
       process.start
 
       # Make sure the stdin does not buffer
       process.io.stdin.sync = true
 
-      @logger.debug("Process #{arguments} started with PID: #{process.pid} and Group ID: #{Process.getpgid(process.pid)}")
+      @logger.debug("Process #{arguments} started with PID: #{process.pid}")
 
       if RUBY_PLATFORM != "java"
         # On Java, we have to close after. See down the method...
         # Otherwise, we close the writer right here, since we're
         # not on the writing side.