Pass undo flag to doc updater when restoring from history

services/track-changes/app/coffee/DocumentUpdaterManager.coffee

@@ -30,6 +30,7 @@ module.exports = DocumentUpdaterManager =
 				lines: content.split("\n")
 				source: "restore"
 				user_id: user_id
+				undoing: true
 		}, (error, res, body)->
 			if error?
 				return callback(error)

services/track-changes/test/acceptance/coffee/RestoringVersions.coffee

@@ -65,5 +65,5 @@ describe "Restoring a version", ->
 
 	it "should set the doc in the doc updater", ->
 		MockDocUpdaterApi.setDoc
-			.calledWith(@project_id, @doc_id, @restored_lines, @user_id)
+			.calledWith(@project_id, @doc_id, @restored_lines, @user_id, true)
 			.should.equal true

services/track-changes/test/acceptance/coffee/helpers/MockDocUpdaterApi.coffee

@@ -7,7 +7,7 @@ module.exports = MockDocUpdaterApi =
 	getDoc: (project_id, doc_id, callback = (error) ->) ->
 		callback null, @docs[doc_id]
 
-	setDoc: (project_id, doc_id, lines, user_id, callback = (error) ->) ->
+	setDoc: (project_id, doc_id, lines, user_id, undoing, callback = (error) ->) ->
 		@docs[doc_id] ||= {}
 		@docs[doc_id].lines = lines
 		callback()
@@ -23,7 +23,7 @@ module.exports = MockDocUpdaterApi =
 					res.send JSON.stringify doc
 
 		app.post "/project/:project_id/doc/:doc_id", express.bodyParser(), (req, res, next) =>
-			@setDoc req.params.project_id, req.params.doc_id, req.body.lines, req.body.user_id, (errr, doc) ->
+			@setDoc req.params.project_id, req.params.doc_id, req.body.lines, req.body.user_id, req.body.undoing, (errr, doc) ->
 				if error?
 					res.send 500
 				else

services/track-changes/test/unit/coffee/DocumentUpdaterManager/DocumentUpdaterManagerTests.coffee

@@ -70,6 +70,7 @@ describe "DocumentUpdaterManager", ->
 							lines: @content.split("\n")
 							source: "restore"
 							user_id: @user_id
+							undoing: true
 					}).should.equal true
 
 			it "should call the callback", ->