added mvn cache support

lib/vagrant-cachier/bucket.rb

@@ -102,3 +102,4 @@ require_relative "bucket/npm"
 require_relative "bucket/zypper"
 require_relative "bucket/generic"
 require_relative "bucket/pip"
+require_relative "bucket/mvn"

lib/vagrant-cachier/bucket/mvn.rb

@@ -0,0 +1,21 @@
+module VagrantPlugins
+  module Cachier
+    class Bucket
+      class Mvn < Bucket
+        def self.capability
+          :maven_cache_dir
+        end
+
+        def install
+          if guest.capability?(:maven_cache_dir)
+            guest_path = guest.capability(:maven_cache_dir)
+            return if @env[:cache_dirs].include?(guest_path)
+            symlink(guest_path)
+          else
+            @env[:ui].info I18n.t('vagrant_cachier.skipping_bucket', bucket: 'Mvn')
+          end
+        end
+      end
+    end
+  end
+end

lib/vagrant-cachier/cap/linux/maven_cache_dir.rb

@@ -0,0 +1,20 @@
+module VagrantPlugins
+  module Cachier
+    module Cap
+      module Linux
+        module MavenCacheDir
+          def self.maven_cache_dir(machine)
+            maven_cache_dir = nil
+            machine.communicate.tap do |comm|
+              return unless comm.test('which mvn')
+              comm.execute 'echo $HOME' do |buffer, output|
+                maven_cache_dir = output.chomp if buffer == :stdout
+              end
+            end
+            return "#{maven_cache_dir}/.m2/repository"
+          end
+        end
+      end
+    end
+  end
+end

lib/vagrant-cachier/capabilities.rb

@@ -40,7 +40,12 @@ module VagrantPlugins
         require_relative 'cap/linux/pip_cache_dir'
         Cap::Linux::PipCacheDir
       end
-      
+
+      guest_capability 'linux', 'mvn_cache_dir' do
+        require_relative 'cap/linux/maven_cache_dir'
+        Cap::Linux::MavenCacheDir
+      end
+
       guest_capability 'debian', 'apt_cache_dir' do
         require_relative 'cap/debian/apt_cache_dir'
         Cap::Debian::AptCacheDir