subprocess.rb in vagrant-unbundled-2.2.10.0

- old
+ new

@@ -88,10 +88,12 @@
         stdout, stdout_writer = ::IO.pipe
         stderr, stderr_writer = ::IO.pipe
         process.io.stdout = stdout_writer
         process.io.stderr = stderr_writer
         process.duplex = true
+        process.leader = true if @options[:detach]
+        process.detach = true if @options[:detach]
 
         # Special installer-related things
         if Vagrant.in_installer?
           installer_dir = Vagrant.installer_embedded_dir.to_s.downcase
 
@@ -156,10 +158,16 @@
           # Raise our own version of the error so that users of the class
           # don't need to be aware of ChildProcess
           raise LaunchError.new(ex.message)
         end
 
+        # If running with the detach option, no need to capture IO or
+        # ensure program exists.
+        if @options[:detach]
+          return
+        end
+
         # Make sure the stdin does not buffer
         process.io.stdin.sync = true
 
         if RUBY_PLATFORM != "java"
           # On Java, we have to close after. See down the method...
@@ -259,10 +267,10 @@
         end
 
         # Return an exit status container
         return Result.new(process.exit_code, io_data[:stdout], io_data[:stderr])
       ensure
-        if process && process.alive?
+        if process && process.alive? && !@options[:detach]
           # Make sure no matter what happens, the process exits
           process.stop(2)
         end
       end
 