server: send new version on updater:check

packages/desktop-gui/src/update/update-banner.jsx

@@ -79,7 +79,7 @@ class UpdateBanner extends Component {
     ipc.offUpdaterCheck()
     ipc.updaterCheck()
     .then((version) => {
-      appStore.setNewVersion(version)
+      if (version) appStore.setNewVersion(version)
     })
     .catch((error) => {
       console.warn('Error checking for updates:', error) // eslint-disable-line no-console

packages/server/lib/gui/events.coffee

@@ -113,7 +113,7 @@ handleEvent = (options, bus, event, id, type, arg) ->
 
     when "updater:check"
       Updater.check({
-        onNewVersion: ->   send(true)
+        onNewVersion: ({ version }) -> send(version)
         onNoNewVersion: -> send(false)
       })
 

packages/server/test/unit/gui/events_spec.coffee

@@ -183,10 +183,10 @@ describe "lib/gui/events", ->
 
   context "updating", ->
     describe "updater:check", ->
-      it "returns true when new version", ->
-        @sandbox.stub(Updater, "check").yieldsTo("onNewVersion")
+      it "returns version when new version", ->
+        @sandbox.stub(Updater, "check").yieldsTo("onNewVersion", {version: "1.2.3"})
         @handleEvent("updater:check")
-        @expectSendCalledWith(true)
+        @expectSendCalledWith("1.2.3")
 
       it "returns false when no new version", ->
         @sandbox.stub(Updater, "check").yieldsTo("onNoNewVersion")