Issue dustymabe#27 Switching to win32-process for creating sub proces…

…ses on Windows

.gitignore

@@ -0,0 +1,11 @@
+# Build artifacts
+pkg
+
+# Ruby / Bundler
+Gemfile.lock
+.ruby-gemset
+.ruby-version
+
+# IDE config files
+.idea
+*.iml

Gemfile

@@ -6,7 +6,7 @@ group :development do
   # We depend on Vagrant for development, but we don't add it as a
   # gem dependency because we expect to be installed within the
   # Vagrant environment itself using `vagrant plugin`.
-  gem "vagrant", :git => "https://github.com/mitchellh/vagrant.git"
+  gem "vagrant", :git => "https://github.com/mitchellh/vagrant.git", :ref => 'v1.8.4'
 end
 
 group :plugins do

lib/vagrant-sshfs.rb

@@ -4,6 +4,12 @@
   raise "The Vagrant sshfs plugin must be run within Vagrant"
 end
 
+# Only load the gem on Windows since it replaces some methods in Ruby's Process class
+# Also load before Process.uid is called the first time by Vagrant
+if Vagrant::Util::Platform.windows?
+  require 'win32/process'
+end
+
 require "vagrant-sshfs/errors"
 require "vagrant-sshfs/version"
 require "vagrant-sshfs/plugin"

lib/vagrant-sshfs/cap/linux/sshfs_mount.rb

@@ -1,5 +1,4 @@
 require "log4r"
-
 require "vagrant/util/retryable"
 require "tempfile"
 
@@ -146,8 +145,8 @@ def self.sshfs_slave_mount(machine, opts, hostpath, expanded_guest_path)
           # For issue #27 we'll need to create a tmp files for STDERR
           # Can't send to /dev/null. Doesn't work on Windows.
           # Can't close FD with :close. Doesn't work on Windows.
-          t1 = Tempfile.new('vagrant_sshfs_sftp_server_stderr').path()
-          t2 = Tempfile.new('vagrant_sshfs_ssh_stderr').path()
+          t1 = Tempfile.new('vagrant_sshfs_sftp_server_stderr')
+          t2 = Tempfile.new('vagrant_sshfs_ssh_stderr')
 
           # The way this works is by hooking up the stdin+stdout of the
           # sftp-server process to the stdin+stdout of the sshfs process
@@ -164,8 +163,28 @@ def self.sshfs_slave_mount(machine, opts, hostpath, expanded_guest_path)
           #          stdin <= r2        pipe2         w2 <= stdout 
           #
           # Wire up things appropriately and start up the processes
-          p1 = spawn(sftp_server_cmd, :out => w2, :in => r1, :err => t1)
-          p2 = spawn(ssh_cmd,         :out => w1, :in => r2, :err => t2)
+          if Vagrant::Util::Platform.windows?
+            # Need to handle Windows differently. Kernel.spawn fails to work, if the shell creating the process is closed.
+            # See https://github.com/dustymabe/vagrant-sshfs/issues/31
+            Process.create(:command_line => sftp_server_cmd,
+                           :creation_flags => Process::DETACHED_PROCESS,
+                           :process_inherit => false,
+                           :thread_inherit => true,
+                           :startup_info => {:stdin => w2, :stdout => r1, :stderr => t1})
+
+            Process.create(:command_line => ssh_cmd,
+                           :creation_flags => Process::DETACHED_PROCESS,
+                           :process_inherit => false,
+                           :thread_inherit => true,
+                           :startup_info => {:stdin => w1, :stdout => r2, :stderr => t2})
+          else
+            p1 = spawn(sftp_server_cmd, :out => w2, :in => r1, :err => t1, :pgroup => true)
+            p2 = spawn(ssh_cmd,         :out => w1, :in => r2, :err => t2, :pgroup => true)
+
+            # Detach from the processes so they will keep running
+            Process.detach(p1)
+            Process.detach(p2)
+          end
 
           # Check that the mount made it
           mounted = false
@@ -181,10 +200,6 @@ def self.sshfs_slave_mount(machine, opts, hostpath, expanded_guest_path)
             raise VagrantPlugins::SyncedFolderSSHFS::Errors::SSHFSSlaveMountFailed
           end
           machine.ui.info("Folder Successfully Mounted!")
-
-          # Detach from the processes so they will keep running
-          Process.detach(p1)
-          Process.detach(p2)
         end
 
         # Do a normal sshfs mount in which we will ssh into the guest

lib/vagrant-sshfs/version.rb

@@ -1,5 +1,5 @@
 module VagrantPlugins
   module SyncedFolderSSHFS
-    VERSION = "1.1.0"
+    VERSION = "1.1.0.dev"
   end
 end

vagrant-sshfs.gemspec

@@ -21,6 +21,8 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
+  spec.add_dependency 'win32-process'
+
   spec.add_development_dependency "bundler", "~> 1.7"
   spec.add_development_dependency "rake", "~> 10.0"
 end