Clean up NUX a bit on Diffusion

Summary: Just some cleanup. Make sure action-bar has consistent space if locate is there or not, hide tabs if repository has no content. Use clone or checkout language depending on SCM. Fixes T12915.

Test Plan:
Test git, hg, svn blank states.

{F5042707}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T12915

Differential Revision: https://secure.phabricator.com/D18208

Author: Chad Little

resources/celerity/map.php

@@ -75,7 +75,7 @@
     'rsrc/css/application/diffusion/diffusion-readme.css' => '419dd5b6',
     'rsrc/css/application/diffusion/diffusion-repository.css' => 'ee6f20ec',
     'rsrc/css/application/diffusion/diffusion-source.css' => '750add59',
-    'rsrc/css/application/diffusion/diffusion.css' => '08991f7e',
+    'rsrc/css/application/diffusion/diffusion.css' => '8d01932f',
     'rsrc/css/application/feed/feed.css' => 'ecd4ec57',
     'rsrc/css/application/files/global-drag-and-drop.css' => '5c1b47c2',
     'rsrc/css/application/flag/flag.css' => 'bba8f811',
@@ -571,7 +571,7 @@
     'differential-revision-history-css' => '0e8eb855',
     'differential-revision-list-css' => 'f3c47d33',
     'differential-table-of-contents-css' => 'ae4b7a55',
-    'diffusion-css' => '08991f7e',
+    'diffusion-css' => '8d01932f',
     'diffusion-icons-css' => '0c15255e',
     'diffusion-readme-css' => '419dd5b6',
     'diffusion-repository-css' => 'ee6f20ec',

src/applications/diffusion/controller/DiffusionRepositoryController.php

@@ -94,27 +94,37 @@ public function handleRequest(AphrontRequest $request) {
         'action' => 'clone',
       ));
 
+    if ($repository->isSVN()) {
+      $clone_text = pht('Checkout');
+    } else {
+      $clone_text = pht('Clone');
+    }
+
     $clone_button = id(new PHUIButtonView())
       ->setTag('a')
-      ->setText('Clone')
+      ->setText($clone_text)
       ->setColor(PHUIButtonView::GREEN)
       ->setIcon('fa-download')
       ->setWorkflow(true)
       ->setHref($clone_uri);
 
     $bar = id(new PHUILeftRightView())
       ->setLeft($locate_file)
-      ->setRight($clone_button);
+      ->setRight($clone_button)
+      ->addClass('diffusion-action-bar');
 
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)
-      ->setTabs($tabs)
       ->setFooter(array(
         $bar,
         $description,
         $content,
       ));
 
+    if ($page_has_content) {
+      $view->setTabs($tabs);
+    }
+
     return $this->newPage()
       ->setTitle(
         array(

webroot/rsrc/css/application/diffusion/diffusion.css

@@ -12,8 +12,12 @@
   display: block;
 }
 
+.diffusion-action-bar {
+  margin-bottom: 16px;
+}
+
 .diffusion-profile-locate .phui-form-view {
-  margin: 0 0 16px 0;
+  margin: 0;
   padding: 0;
 }