Implemented repeat mode

.gitignore

@@ -15,3 +15,4 @@ Vagrantfile
 
 # IDEs
 .project
+.idea

README.md

@@ -38,6 +38,10 @@ Run `vagrant sync` to start watching the local_folder for changes, and syncing t
 Under the covers this uses your system installation of [Unison](http://www.cis.upenn.edu/~bcpierce/unison/), 
 which must be installed in your path.
 
+## Start syncing Folders in repeat mode
+
+Run `vagrant sync-repeat` to start in bidirect monitor (repeat) mode.
+
 ## Development
 
 To work on the `vagrant-unison` plugin, clone this repository out, and use

lib/vagrant-unison/command.rb

@@ -105,5 +105,62 @@ def trigger_unison_sync(machine)
       end
 
     end
+    class CommandRepeat < Vagrant.plugin("2", :command)
+
+      def execute
+
+        with_target_vms do |machine|
+          hostpath, guestpath = init_paths machine
+
+          trigger_unison_sync machine
+
+        end
+
+        0  #all is well
+      end
+
+      def init_paths(machine)
+          hostpath  = File.expand_path(machine.config.sync.host_folder, @env.root_path)
+          guestpath = machine.config.sync.guest_folder
+
+          # Make sure there is a trailing slash on the host path to
+          # avoid creating an additional directory with rsync
+          hostpath = "#{hostpath}/" if hostpath !~ /\/$/
+
+          [hostpath, guestpath]
+      end
+
+      def trigger_unison_sync(machine)
+        hostpath, guestpath = init_paths machine
+
+        @env.ui.info "Unisoning changes from {host}::#{hostpath} --> {guest VM}::#{guestpath}"
+
+        ssh_info = machine.ssh_info
+
+        # Create the guest path
+        machine.communicate.sudo("mkdir -p '#{guestpath}'")
+        machine.communicate.sudo("chown #{ssh_info[:username]} '#{guestpath}'")
+
+        proxy_command = ""
+        if ssh_info[:proxy_command]
+          proxy_command = "-o ProxyCommand='#{ssh_info[:proxy_command]}' "
+        end
+
+        rsh = [
+          "-p #{ssh_info[:port]} " +
+          proxy_command +
+          "-o StrictHostKeyChecking=no " +
+          "-o UserKnownHostsFile=/dev/null",
+          ssh_info[:private_key_path].map { |p| "-i #{p}" },
+        ].flatten.join(" ")
+
+        # Unison over to the guest path using the SSH info
+        command = "unison -terse -repeat 1 -sshargs \"#{rsh}\" hosts ssh://#{ssh_info[:username]}@#{ssh_info[:host]}/#{guestpath}"
+        @env.ui.info "Running #{command}"
+
+        system(command)
+      end
+
+    end
   end
 end

lib/vagrant-unison/plugin.rb

@@ -34,6 +34,16 @@ class Plugin < Vagrant.plugin("2")
         Command
       end
 
+      command "sync-repeat" do
+        # Setup logging and i18n
+        setup_logging
+        setup_i18n
+
+        #Return the command
+        require_relative "command"
+        CommandRepeat
+      end
+
       # This initializes the internationalization strings.
       def self.setup_i18n
         I18n.load_path << File.expand_path("locales/en.yml", Unison.source_root)

lib/vagrant-unison/version.rb

@@ -1,5 +1,5 @@
 module VagrantPlugins
   module Unison
-    VERSION = "0.0.11"
+    VERSION = "0.0.12"
   end
 end