synced_folders/rsync: can exclude files

plugins/synced_folders/rsync/synced_folder.rb

@@ -49,8 +49,9 @@ module VagrantPlugins
 
         # Exclude some files by default, and any that might be configured
         # by the user.
-        # TODO(mitchellh): allow the user to configure it
         excludes = ['.vagrant/']
+        excludes += Array(opts[:exclude]) if opts[:exclude]
+        excludes.uniq!
 
         # Build up the actual command to execute
         command = [

test/unit/plugins/synced_folders/rsync/synced_folder_test.rb

@@ -107,5 +107,35 @@ describe VagrantPlugins::SyncedFolderRSync::SyncedFolder do
 
       subject.rsync_single(machine, ssh_info, opts)
     end
+
+    context "excluding files" do
+      it "excludes files if given as a string" do
+        opts[:exclude] = "foo"
+
+        Vagrant::Util::Subprocess.should_receive(:execute).with do |*args|
+          index = args.find_index("foo")
+          expect(index).to be > 0
+          expect(args[index-1]).to eql("--exclude")
+        end
+
+        subject.rsync_single(machine, ssh_info, opts)
+      end
+
+      it "excludes multiple files" do
+        opts[:exclude] = ["foo", "bar"]
+
+        Vagrant::Util::Subprocess.should_receive(:execute).with do |*args|
+          index = args.find_index("foo")
+          expect(index).to be > 0
+          expect(args[index-1]).to eql("--exclude")
+
+          index = args.find_index("bar")
+          expect(index).to be > 0
+          expect(args[index-1]).to eql("--exclude")
+        end
+
+        subject.rsync_single(machine, ssh_info, opts)
+      end
+    end
   end
 end