Make the Diffusion UI vaguely usable in some cases.

resources/sql/patches/006.repository.sql

@@ -40,3 +40,5 @@ create table phabricator_repository.repository_filesystem (
   fileType int unsigned not null,
   primary key (repositoryID, parentID, svnCommit, pathID)
 );
+
+alter table repository_filesystem add key (repositoryID, svnCommit);

src/__celerity_resource_map__.php

@@ -7,6 +7,15 @@
  */
 
 celerity_register_resource_map(array(
+  'aphront-crumbs-view-css' =>
+  array(
+    'uri' => '/res/4408ef5f/rsrc/css/aphront/crumbs-view.css',
+    'type' => 'css',
+    'requires' =>
+    array(
+    ),
+    'disk' => '/rsrc/css/aphront/crumbs-view.css',
+  ),
   'aphront-dark-console-css' =>
   array(
     'uri' => '/res/056b0c12/rsrc/css/aphront/dark-console.css',
@@ -217,7 +226,7 @@ celerity_register_resource_map(array(
   ),
   'maniphest-transaction-detail-css' =>
   array(
-    'uri' => '/res/658912c5/rsrc/css/application/maniphest/transaction-detail.css',
+    'uri' => '/res/9418efc9/rsrc/css/application/maniphest/transaction-detail.css',
     'type' => 'css',
     'requires' =>
     array(

src/__phutil_library_map__.php

@@ -13,6 +13,7 @@ phutil_register_library_map(array(
     'AphrontAjaxResponse' => 'aphront/response/ajax',
     'AphrontApplicationConfiguration' => 'aphront/applicationconfiguration',
     'AphrontController' => 'aphront/controller',
+    'AphrontCrumbsView' => 'view/layout/crumbs',
     'AphrontDatabaseConnection' => 'storage/connection/base',
     'AphrontDefaultApplicationConfiguration' => 'aphront/default/configuration',
     'AphrontDefaultApplicationController' => 'aphront/default/controller',
@@ -142,6 +143,9 @@ phutil_register_library_map(array(
     'DifferentialRevisionViewController' => 'applications/differential/controller/revisionview',
     'DifferentialSubscribeController' => 'applications/differential/controller/subscribe',
     'DifferentialUnitStatus' => 'applications/differential/constants/unitstatus',
+    'DiffusionBranchInformation' => 'applications/diffusion/data/branch',
+    'DiffusionBranchQuery' => 'applications/diffusion/query/branch/base',
+    'DiffusionBranchTableView' => 'applications/diffusion/view/branchtable',
     'DiffusionBrowseController' => 'applications/diffusion/controller/browse',
     'DiffusionBrowseFileController' => 'applications/diffusion/controller/file',
     'DiffusionBrowseQuery' => 'applications/diffusion/query/browse/base',
@@ -151,6 +155,7 @@ phutil_register_library_map(array(
     'DiffusionController' => 'applications/diffusion/controller/base',
     'DiffusionFileContent' => 'applications/diffusion/data/filecontent',
     'DiffusionFileContentQuery' => 'applications/diffusion/query/filecontent/base',
+    'DiffusionGitBranchQuery' => 'applications/diffusion/query/branch/git',
     'DiffusionGitBrowseQuery' => 'applications/diffusion/query/browse/git',
     'DiffusionGitFileContentQuery' => 'applications/diffusion/query/filecontent/git',
     'DiffusionGitHistoryQuery' => 'applications/diffusion/query/history/git',
@@ -160,8 +165,12 @@ phutil_register_library_map(array(
     'DiffusionHistoryTableView' => 'applications/diffusion/view/historytable',
     'DiffusionHomeController' => 'applications/diffusion/controller/home',
     'DiffusionPathChange' => 'applications/diffusion/data/pathchange',
+    'DiffusionRepositoryController' => 'applications/diffusion/controller/repository',
     'DiffusionRepositoryPath' => 'applications/diffusion/data/repositorypath',
     'DiffusionRequest' => 'applications/diffusion/request/base',
+    'DiffusionSvnBrowseQuery' => 'applications/diffusion/query/browse/svn',
+    'DiffusionSvnHistoryQuery' => 'applications/diffusion/query/history/svn',
+    'DiffusionView' => 'applications/diffusion/view/base',
     'Javelin' => 'infrastructure/javelin/api',
     'LiskDAO' => 'storage/lisk/dao',
     'ManiphestController' => 'applications/maniphest/controller/base',
@@ -364,6 +373,7 @@ phutil_register_library_map(array(
     'Aphront400Response' => 'AphrontResponse',
     'Aphront404Response' => 'AphrontResponse',
     'AphrontAjaxResponse' => 'AphrontResponse',
+    'AphrontCrumbsView' => 'AphrontView',
     'AphrontDefaultApplicationConfiguration' => 'AphrontApplicationConfiguration',
     'AphrontDefaultApplicationController' => 'AphrontController',
     'AphrontDialogResponse' => 'AphrontResponse',
@@ -459,19 +469,25 @@ phutil_register_library_map(array(
     'DifferentialRevisionUpdateHistoryView' => 'AphrontView',
     'DifferentialRevisionViewController' => 'DifferentialController',
     'DifferentialSubscribeController' => 'DifferentialController',
+    'DiffusionBranchTableView' => 'DiffusionView',
     'DiffusionBrowseController' => 'DiffusionController',
     'DiffusionBrowseFileController' => 'DiffusionController',
-    'DiffusionBrowseTableView' => 'AphrontView',
+    'DiffusionBrowseTableView' => 'DiffusionView',
-    'DiffusionCommitChangeTableView' => 'AphrontView',
+    'DiffusionCommitChangeTableView' => 'DiffusionView',
     'DiffusionCommitController' => 'DiffusionController',
     'DiffusionController' => 'PhabricatorController',
+    'DiffusionGitBranchQuery' => 'DiffusionBranchQuery',
     'DiffusionGitBrowseQuery' => 'DiffusionBrowseQuery',
     'DiffusionGitFileContentQuery' => 'DiffusionFileContentQuery',
     'DiffusionGitHistoryQuery' => 'DiffusionHistoryQuery',
     'DiffusionGitRequest' => 'DiffusionRequest',
     'DiffusionHistoryController' => 'DiffusionController',
-    'DiffusionHistoryTableView' => 'AphrontView',
+    'DiffusionHistoryTableView' => 'DiffusionView',
     'DiffusionHomeController' => 'DiffusionController',
+    'DiffusionRepositoryController' => 'DiffusionController',
+    'DiffusionSvnBrowseQuery' => 'DiffusionBrowseQuery',
+    'DiffusionSvnHistoryQuery' => 'DiffusionHistoryQuery',
+    'DiffusionView' => 'AphrontView',
     'ManiphestController' => 'PhabricatorController',
     'ManiphestDAO' => 'PhabricatorLiskDAO',
     'ManiphestTask' => 'ManiphestDAO',

src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php

@@ -187,13 +187,14 @@ class AphrontDefaultApplicationConfiguration
         => 'DiffusionCommitController',
       '/diffusion/' => array(
         '$' => 'DiffusionHomeController',
-        '(?P<callsign>[A-Z]+)' => array(
+        '(?P<callsign>[A-Z]+)/' => array(
-          '/history/'.
+          '$' => 'DiffusionRepositoryController',
+          'history/'.
             '(?P<path>.*?)'.
             '(?:[;](?P<commit>[a-z0-9]+))?'.
             '$'
               => 'DiffusionHistoryController',
-          '/browse/'.
+          'browse/'.
             '(?P<path>.*?)'.
             '(?:[;](?P<commit>[a-z0-9]+))?'.
             '(?:[$](?P<line>\d+))?'.

src/applications/diffusion/controller/base/DiffusionController.php

@@ -30,6 +30,10 @@ abstract class DiffusionController extends PhabricatorController {
     return $this;
   }
 
+  protected function getDiffusionRequest() {
+    return $this->diffusionRequest;
+  }
+
   public function buildStandardPageResponse($view, array $data) {
 
     $page = $this->buildStandardPageView();
@@ -44,4 +48,183 @@ abstract class DiffusionController extends PhabricatorController {
     return $response->setContent($page->render());
   }
 
+  final protected function buildSideNav($selected, $has_change_view) {
+    $nav = new AphrontSideNavView();
+
+    $navs = array(
+      'history' => 'History View',
+      'browse'  => 'Browse View',
+      'change'  => 'Change View',
+    );
+
+    if (!$has_change_view) {
+      unset($navs['change']);
+    }
+
+    $drequest = $this->getDiffusionRequest();
+    $repository = $drequest->getRepository();
+    $callsign = $repository->getCallsign();
+
+    $branch_uri = $drequest->getBranchURIComponent($drequest->getBranch());
+    $path_uri = $branch_uri.$drequest->getPath();
+
+    $commit_uri = null;
+    $raw_commit = $drequest->getRawCommit();
+    if ($raw_commit) {
+      $commit_uri = ';'.$drequest->getCommitURIComponent($raw_commit);
+    }
+
+    foreach ($navs as $uri => $name) {
+      $nav->addNavItem(
+        phutil_render_tag(
+          'a',
+          array(
+            'href'  => "/diffusion/{$callsign}/{$uri}/{$path_uri}{$commit_uri}",
+            'class' =>
+              ($uri == $selected
+                ? 'aphront-side-nav-selected'
+                : null),
+          ),
+          $name));
+    }
+
+    return $nav;
+  }
+
+  public function buildCrumbs(array $spec = array()) {
+    $drequest = $this->diffusionRequest;
+
+    $crumbs = new AphrontCrumbsView();
+
+    $crumb_list = array();
+
+    $repository = $drequest->getRepository();
+    if ($repository) {
+      $crumb_list[] = phutil_render_tag(
+        'a',
+        array(
+          'href' => '/diffusion/',
+        ),
+        'Diffusion');
+    } else {
+      $crumb_list[] = 'Diffusion';
+      $crumbs->setCrumbs($crumb_list);
+      return $crumbs;
+    }
+
+    $callsign = $repository->getCallsign();
+    $repository_name = phutil_escape_html($repository->getName()).' Repository';
+
+    $branch_name = $drequest->getBranch();
+    if ($branch_name) {
+      $repository_name .= ' ('.phutil_escape_html($branch_name).')';
+    }
+
+    $branch_uri = $drequest->getBranchURIComponent($drequest->getBranch());
+
+    if (empty($spec['view'])) {
+      $crumb_list[] = $repository_name;
+      $crumbs->setCrumbs($crumb_list);
+      return $crumbs;
+    }
+
+    $crumb_list[] = phutil_render_tag(
+      'a',
+      array(
+        'href' => "/diffusion/{$callsign}/",
+      ),
+      $repository_name);
+
+
+    if (empty($spec['view'])) {
+      $crumbs->setCrumbs($crumb_list);
+      return $crumbs;
+    }
+
+    $view = $spec['view'];
+
+    switch ($view) {
+      case 'history':
+        $view_name = 'History';
+        break;
+      case 'browse':
+        $view_name = 'Browse';
+        break;
+    }
+
+    $path = null;
+    if (isset($spec['path'])) {
+      $path = $drequest->getPath();
+    }
+
+    $view_root_uri = "/diffusion/{$callsign}/{$view}/{$branch_uri}";
+    $jump_href = $view_root_uri;
+
+    $view_tail_uri = null;
+    $raw_commit = $drequest->getRawCommit();
+    if ($raw_commit) {
+      $view_tail_uri = ';'.$drequest->getCommitURIComponent($raw_commit);
+    }
+
+    if (!strlen($path)) {
+      $crumb_list[] = $view_name;
+    } else {
+
+      $crumb_list[] = phutil_render_tag(
+        'a',
+        array(
+          'href' => $view_root_uri.$view_tail_uri,
+        ),
+        $view_name);
+
+      $path_parts = explode('/', $path);
+      do {
+        $last = array_pop($path_parts);
+      } while ($last == '');
+
+      $path_sections = array();
+      $thus_far = '';
+      foreach ($path_parts as $path_part) {
+        $thus_far .= $path_part.'/';
+        $path_sections[] = phutil_render_tag(
+          'a',
+          array(
+            'href' => $view_root_uri.$thus_far.$view_tail_uri,
+          ),
+          phutil_escape_html($path_part));
+      }
+
+      $path_sections[] = phutil_escape_html($last);
+      $path_sections = '/'.implode('/', $path_sections);
+
+      $jump_href = $view_root_uri.$thus_far.$last;
+
+      $crumb_list[] = $path_sections;
+    }
+
+    $last_crumb = array_pop($crumb_list);
+
+    if ($raw_commit) {
+      $commit_link = DiffusionView::linkCommit(
+        $repository,
+        $raw_commit);
+      $jump_link = phutil_render_tag(
+        'a',
+        array(
+          'href' => $jump_href,
+        ),
+        'Jump to HEAD');
+      $last_crumb .= " @ {$commit_link} ({$jump_link})";
+    } else {
+      $last_crumb .= " @ HEAD";
+    }
+
+    $crumb_list[] = $last_crumb;
+
+
+    $crumbs->setCrumbs($crumb_list);
+
+    return $crumbs;
+  }
+
 }

src/applications/diffusion/controller/base/__init__.php

@@ -9,7 +9,11 @@
 phutil_require_module('phabricator', 'aphront/response/webpage');
 phutil_require_module('phabricator', 'applications/base/controller/base');
 phutil_require_module('phabricator', 'applications/diffusion/request/base');
+phutil_require_module('phabricator', 'applications/diffusion/view/base');
+phutil_require_module('phabricator', 'view/layout/crumbs');
+phutil_require_module('phabricator', 'view/layout/sidenav');
 
+phutil_require_module('phutil', 'markup');
 phutil_require_module('phutil', 'utils');
 
 

src/applications/diffusion/controller/browse/DiffusionBrowseController.php

@@ -26,6 +26,13 @@ class DiffusionBrowseController extends DiffusionController {
 
     $content = array();
 
+    $content[] = $this->buildCrumbs(
+      array(
+        'branch' => true,
+        'path'   => true,
+        'view'   => 'browse',
+      ));
+
     if (!$results) {
 
       switch ($browse_query->getReasonForEmptyResultSet()) {
@@ -69,19 +76,16 @@ class DiffusionBrowseController extends DiffusionController {
       $browse_table->setPaths($results);
 
       $browse_panel = new AphrontPanelView();
-      $browse_panel->setHeader($drequest->getPath());
       $browse_panel->appendChild($browse_table);
 
       $content[] = $browse_panel;
-
-      // TODO: Branch table
     }
 
-    // TODO: Crumbs
+    $nav = $this->buildSideNav('browse', false);
-    // TODO: Side nav
+    $nav->appendChild($content);
 
     return $this->buildStandardPageResponse(
-      $content,
+      $nav,
       array(
         'title' => basename($drequest->getPath()),
       ));

src/applications/diffusion/controller/file/DiffusionBrowseFileController.php

@@ -19,6 +19,15 @@
 class DiffusionBrowseFileController extends DiffusionController {
 
   public function processRequest() {
+
+    $content = array();
+    $content[] = $this->buildCrumbs(
+      array(
+        'branch' => true,
+        'path'   => true,
+        'view'   => 'browse',
+      ));
+
     $file_query = DiffusionFileContentQuery::newFromDiffusionRequest(
       $this->diffusionRequest);
     $file_content = $file_query->loadFileContent();
@@ -26,13 +35,19 @@ class DiffusionBrowseFileController extends DiffusionController {
     $corpus = phutil_render_tag(
       'textarea',
       array(
+        'style' => 'margin: 1em 2em; width: 90%; height: 80em;',
       ),
       phutil_escape_html($file_content->getCorpus()));
 
+    $content[] = $corpus;
+
     // TODO: blame, color, line numbers, highlighting, etc etc
 
+    $nav = $this->buildSideNav('browse', true);
+    $nav->appendChild($content);
+
     return $this->buildStandardPageResponse(
-      $corpus,
+      $nav,
       array(
         'title' => 'Browse',
       ));

src/applications/diffusion/controller/history/DiffusionHistoryController.php

@@ -28,21 +28,30 @@ class DiffusionHistoryController extends DiffusionController {
 
     $content = array();
 
+    $content[] = $this->buildCrumbs(
+      array(
+        'branch' => true,
+        'path'   => true,
+        'view'   => 'history',
+      ));
+
     $history_table = new DiffusionHistoryTableView();
     $history_table->setDiffusionRequest($drequest);
     $history_table->setHistory($history);
 
     $history_panel = new AphrontPanelView();
-    $history_panel->setHeader($drequest->getPath());
     $history_panel->appendChild($history_table);
 
     $content[] = $history_panel;
 
-    // TODO: Crumbs
+    // TODO: Sometimes we do have a change view, we need to look at the most
-    // TODO: Side nav
+    // recent history entry to figure it out.
+
+    $nav = $this->buildSideNav('history', false);
+    $nav->appendChild($content);
 
     return $this->buildStandardPageResponse(
-      $content,
+      $nav,
       array(
         'title' => 'history',
       ));

src/applications/diffusion/controller/home/DiffusionHomeController.php

@@ -49,7 +49,7 @@ class DiffusionHomeController extends DiffusionController {
         phutil_render_tag(
           'a',
           array(
-            'href' => '#', // TODO: Link
+            'href' => '/diffusion/'.$repository->getCallsign().'/',
           ),
           phutil_escape_html($repository->getName())),
         $repository->getVersionControlSystem(),
@@ -81,8 +81,13 @@ class DiffusionHomeController extends DiffusionController {
     $panel->setHeader('Browse Repositories');
     $panel->appendChild($table);
 
+    $crumbs = $this->buildCrumbs();
+
     return $this->buildStandardPageResponse(
+      array(
+        $crumbs,
         $panel,
+      ),
       array(
         'title' => 'Diffusion',
       ));

src/applications/diffusion/controller/repository/DiffusionRepositoryController.php

@@ -0,0 +1,79 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class DiffusionRepositoryController extends DiffusionController {
+
+  public function processRequest() {
+    $drequest = $this->diffusionRequest;
+
+    $content = array();
+
+    $crumbs = $this->buildCrumbs();
+    $content[] = $crumbs;
+
+    $history_query = DiffusionHistoryQuery::newFromDiffusionRequest(
+      $drequest);
+    $history_query->setLimit(15);
+
+    $history = $history_query->loadHistory();
+    $history_table = new DiffusionHistoryTableView();
+    $history_table->setDiffusionRequest($drequest);
+    $history_table->setHistory($history);
+
+    $panel = new AphrontPanelView();
+    $panel->setHeader('Recent Commits');
+    $panel->appendChild($history_table);
+
+    $content[] = $panel;
+
+    $browse_query = DiffusionBrowseQuery::newFromDiffusionRequest($drequest);
+    $results = $browse_query->loadPaths();
+
+    $browse_table = new DiffusionBrowseTableView();
+    $browse_table->setDiffusionRequest($drequest);
+    $browse_table->setPaths($results);
+
+    $browse_panel = new AphrontPanelView();
+    $browse_panel->setHeader('Browse Repository');
+    $browse_panel->appendChild($browse_table);
+
+    $content[] = $browse_panel;
+
+    if ($drequest->getBranch() !== null) {
+      $branch_query = DiffusionBranchQuery::newFromDiffusionRequest($drequest);
+      $branches = $branch_query->loadBranches();
+
+      $branch_table = new DiffusionBranchTableView();
+      $branch_table->setDiffusionRequest($drequest);
+      $branch_table->setBranches($branches);
+
+      $branch_panel = new AphrontPanelView();
+      $branch_panel->setHeader('Branches');
+      $branch_panel->appendChild($branch_table);
+
+      $content[] = $branch_panel;
+    }
+
+    return $this->buildStandardPageResponse(
+      $content,
+      array(
+        'title' => 'Diffusion',
+      ));
+  }
+
+}

src/applications/diffusion/controller/repository/__init__.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/diffusion/controller/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/branch/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/browse/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/history/base');
+phutil_require_module('phabricator', 'applications/diffusion/view/branchtable');
+phutil_require_module('phabricator', 'applications/diffusion/view/browsetable');
+phutil_require_module('phabricator', 'applications/diffusion/view/historytable');
+phutil_require_module('phabricator', 'view/layout/panel');
+
+
+phutil_require_source('DiffusionRepositoryController.php');

src/applications/diffusion/data/branch/DiffusionBranchInformation.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class DiffusionBranchInformation {
+
+  private $name;
+  private $headCommitIdentifier;
+
+  public function setName($name) {
+    $this->name = $name;
+    return $this;
+  }
+
+  public function getName() {
+    return $this->name;
+  }
+
+  public function setHeadCommitIdentifier($head_commit_identifier) {
+    $this->headCommitIdentifier = $head_commit_identifier;
+    return $this;
+  }
+
+  public function getHeadCommitIdentifier() {
+    return $this->headCommitIdentifier;
+  }
+
+}

src/applications/diffusion/data/branch/__init__.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+
+phutil_require_source('DiffusionBranchInformation.php');

src/applications/diffusion/data/pathchange/DiffusionPathChange.php

@@ -18,15 +18,15 @@
 
 final class DiffusionPathChange {
 
-  private $commit;
+  private $commitIdentifier;
 
-  final public function setCommit($commit) {
+  final public function setCommitIdentifier($commit) {
-    $this->commit = $commit;
+    $this->commitIdentifier = $commit;
     return $this;
   }
 
-  final public function getCommit() {
+  final public function getCommitIdentifier() {
-    return $this->commit;
+    return $this->commitIdentifier;
   }
 
 

src/applications/diffusion/query/branch/base/DiffusionBranchQuery.php

@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+abstract class DiffusionBranchQuery {
+
+  private $request;
+
+  final private function __construct() {
+    // <private>
+  }
+
+  final public static function newFromDiffusionRequest(
+    DiffusionRequest $request) {
+
+    $repository = $request->getRepository();
+
+    switch ($repository->getVersionControlSystem()) {
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
+        $class = 'DiffusionGitBranchQuery';
+        break;
+      default:
+        throw new Exception("Unsupported VCS!");
+    }
+
+    PhutilSymbolLoader::loadClass($class);
+    $query = new $class();
+
+    $query->request = $request;
+
+    return $query;
+  }
+
+  final protected function getRequest() {
+    return $this->request;
+  }
+
+  final public function loadBranches() {
+    return $this->executeQuery();
+  }
+
+  abstract protected function executeQuery();
+}

src/applications/diffusion/query/branch/base/__init__.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/repository/constants/repositorytype');
+
+phutil_require_module('phutil', 'symbols');
+
+
+phutil_require_source('DiffusionBranchQuery.php');

src/applications/diffusion/query/branch/git/DiffusionGitBranchQuery.php

@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class DiffusionGitBranchQuery extends DiffusionBranchQuery {
+
+  protected function executeQuery() {
+    $drequest = $this->getRequest();
+    $repository = $drequest->getRepository();
+
+    $path = $drequest->getPath();
+    $commit = $drequest->getCommit();
+
+    $local_path = $repository->getDetail('local-path');
+
+    list($stdout) = execx(
+      '(cd %s && git branch --verbose --no-abbrev)',
+      $local_path);
+
+    $branches = array();
+
+    $lines = array_filter(explode("\n", $stdout));
+    foreach ($lines as $line) {
+      $matches = null;
+      if (!preg_match('/^[ *] (\S+)\s+([a-z0-9]{40}) /', $line, $matches)) {
+        throw new Exception("Failed to parse {$line}!");
+      }
+      $branch = new DiffusionBranchInformation();
+      $branch->setName($matches[1]);
+      $branch->setHeadCommitIdentifier($matches[2]);
+
+      $branches[] = $branch;
+    }
+
+    return $branches;
+  }
+
+}

src/applications/diffusion/query/branch/git/__init__.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/diffusion/data/branch');
+phutil_require_module('phabricator', 'applications/diffusion/query/branch/base');
+
+phutil_require_module('phutil', 'future/exec');
+
+
+phutil_require_source('DiffusionGitBranchQuery.php');

src/applications/diffusion/query/browse/base/DiffusionBrowseQuery.php

@@ -39,10 +39,13 @@ abstract class DiffusionBrowseQuery {
     $repository = $request->getRepository();
 
     switch ($repository->getVersionControlSystem()) {
-      case 'git':
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
         // TODO: Verify local-path?
         $class = 'DiffusionGitBrowseQuery';
         break;
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
+        $class = 'DiffusionSvnBrowseQuery';
+        break;
       default:
         throw new Exception("Unsupported VCS!");
     }

src/applications/diffusion/query/browse/base/__init__.php

@@ -6,6 +6,8 @@
 
 
 
+phutil_require_module('phabricator', 'applications/repository/constants/repositorytype');
+
 phutil_require_module('phutil', 'symbols');
 
 

src/applications/diffusion/query/browse/svn/DiffusionSvnBrowseQuery.php

@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class DiffusionSvnBrowseQuery extends DiffusionBrowseQuery {
+
+  protected function executeQuery() {
+    $drequest = $this->getRequest();
+    $repository = $drequest->getRepository();
+
+    $path = $drequest->getPath();
+    $commit = $drequest->getCommit();
+
+    $path_normal = '/'.trim($path, '/');
+
+    $conn_r = $repository->establishConnection('r');
+
+    $paths = queryfx_all(
+      $conn_r,
+      'SELECT id, path FROM %T WHERE path IN (%Ls)',
+      PhabricatorRepository::TABLE_PATH,
+      array($path_normal));
+    $paths = ipull($paths, 'id', 'path');
+    $path_id = $paths[$path_normal];
+
+    $index = queryfx_all(
+      $conn_r,
+      'SELECT pathID, max(svnCommit) maxCommit FROM %T WHERE
+        repositoryID = %d AND parentID = %d
+        %Q GROUP BY pathID',
+      PhabricatorRepository::TABLE_FILESYSTEM,
+      $repository->getID(),
+      $path_id,
+      '');
+
+    if (!$index) {
+      // TODO: !
+      return false;
+    }
+
+    $sql = array();
+    foreach ($index as $row) {
+      $sql[] = '('.(int)$row['pathID'].', '.(int)$row['maxCommit'].')';
+    }
+
+    $browse = queryfx_all(
+      $conn_r,
+      'SELECT *, p.path pathName
+        FROM %T f JOIN %T p ON f.pathID = p.id
+        WHERE repositoryID = %d
+          AND parentID = %d
+          AND existed = 1
+        AND (pathID, svnCommit) in (%Q)
+        ORDER BY pathName',
+      PhabricatorRepository::TABLE_FILESYSTEM,
+      PhabricatorRepository::TABLE_PATH,
+      $repository->getID(),
+      $path_id,
+      implode(', ', $sql));
+
+    $results = array();
+    foreach ($browse as $file) {
+
+      $file_path = $file['pathName'];
+      $file_path = ltrim(substr($file_path, strlen($path_normal)), '/');
+
+      $result = new DiffusionRepositoryPath();
+      $result->setPath($file_path);
+//      $result->setHash($hash);
+      $result->setFileType($file['fileType']);
+//      $result->setFileSize($size);
+
+      $results[] = $result;
+    }
+
+    return $results;
+  }
+
+}

src/applications/diffusion/query/browse/svn/__init__.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/diffusion/data/repositorypath');
+phutil_require_module('phabricator', 'applications/diffusion/query/browse/base');
+phutil_require_module('phabricator', 'applications/repository/storage/repository');
+phutil_require_module('phabricator', 'storage/queryfx');
+
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('DiffusionSvnBrowseQuery.php');

src/applications/diffusion/query/history/base/DiffusionHistoryQuery.php

@@ -19,6 +19,7 @@
 abstract class DiffusionHistoryQuery {
 
   private $request;
+  private $limit = 100;
 
   final private function __construct() {
     // <private>
@@ -30,9 +31,12 @@ abstract class DiffusionHistoryQuery {
     $repository = $request->getRepository();
 
     switch ($repository->getVersionControlSystem()) {
-      case 'git':
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
         $class = 'DiffusionGitHistoryQuery';
         break;
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
+        $class = 'DiffusionSvnHistoryQuery';
+        break;
       default:
         throw new Exception("Unsupported VCS!");
     }
@@ -53,5 +57,14 @@ abstract class DiffusionHistoryQuery {
     return $this->executeQuery();
   }
 
+  final public function setLimit($limit) {
+    $this->limit = $limit;
+    return $this;
+  }
+
+  final public function getLimit() {
+    return $this->limit;
+  }
+
   abstract protected function executeQuery();
 }

src/applications/diffusion/query/history/base/__init__.php

@@ -6,6 +6,8 @@
 
 
 
+phutil_require_module('phabricator', 'applications/repository/constants/repositorytype');
+
 phutil_require_module('phutil', 'symbols');
 
 

src/applications/diffusion/query/history/git/DiffusionGitHistoryQuery.php

@@ -30,8 +30,8 @@ final class DiffusionGitHistoryQuery extends DiffusionHistoryQuery {
 
     list($stdout) = execx(
       '(cd %s && %s log '.
-        '-n %d '.
         '--skip=%d '.
+        '-n %d '.
         '-M '.
         '-C '.
         '-B '.
@@ -43,8 +43,8 @@ final class DiffusionGitHistoryQuery extends DiffusionHistoryQuery {
         '%s -- %s)',
       $local_path,
       $git,
-      $limit = 100,
       $offset = 0,
+      $this->getLimit(),
       $commit,
       $path);
 
@@ -56,7 +56,7 @@ final class DiffusionGitHistoryQuery extends DiffusionHistoryQuery {
       list($hash, $raw) = explode("\x1d", $commit);
 
       $item = new DiffusionPathChange();
-      $item->setCommit($hash);
+      $item->setCommitIdentifier($hash);
       $history[] = $item;
     }
 

src/applications/diffusion/query/history/svn/DiffusionSvnHistoryQuery.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class DiffusionSvnHistoryQuery extends DiffusionHistoryQuery {
+
+  protected function executeQuery() {
+    $drequest = $this->getRequest();
+
+    $repository = $drequest->getRepository();
+    $path = $drequest->getPath();
+    $commit = $drequest->getCommit();
+
+    $conn_r = $repository->establishConnection('r');
+
+    $paths = queryfx_all(
+      $conn_r,
+      'SELECT id, path FROM %T WHERE path IN (%Ls)',
+      PhabricatorRepository::TABLE_PATH,
+      array('/'.trim($path, '/')));
+    $paths = ipull($paths, 'id', 'path');
+    $path_id = $paths['/'.trim($path, '/')];
+
+    $history_data = queryfx_all(
+      $conn_r,
+      'SELECT * FROM %T WHERE repositoryID = %d AND pathID = %d
+        AND commitSequence <= %d
+        ORDER BY commitSequence DESC
+        LIMIT %d',
+      PhabricatorRepository::TABLE_PATHCHANGE,
+      $repository->getID(),
+      $path_id,
+      $commit ? $commit : 0x7FFFFFFF,
+      $this->getLimit());
+
+    $history = array();
+    foreach ($history_data as $row) {
+      $item = new DiffusionPathChange();
+      $item->setCommitIdentifier($row['commitID']);
+      $history[] = $item;
+    }
+
+    return $history;
+  }
+
+}

src/applications/diffusion/query/history/svn/__init__.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/diffusion/data/pathchange');
+phutil_require_module('phabricator', 'applications/diffusion/query/history/base');
+phutil_require_module('phabricator', 'applications/repository/storage/repository');
+phutil_require_module('phabricator', 'storage/queryfx');
+
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('DiffusionSvnHistoryQuery.php');

src/applications/diffusion/request/base/DiffusionRequest.php

@@ -99,4 +99,16 @@ class DiffusionRequest {
     return $this->branch;
   }
 
+  final public function getRawCommit() {
+    return $this->commit;
+  }
+
+  public function getCommitURIComponent($commit) {
+    return $commit;
+  }
+
+  public function getBranchURIComponent($branch) {
+    return $branch;
+  }
+
 }

src/applications/diffusion/request/git/DiffusionGitRequest.php

@@ -27,6 +27,14 @@ class DiffusionGitRequest extends DiffusionRequest {
     $branch = array_shift($parts);
     $this->branch = $this->decodeBranchName($branch);
 
+    foreach ($parts as $key => $part) {
+      // Prevent any hyjinx since we're ultimately shipping this to the
+      // filesystem under a lot of git workflows.
+      if ($part == '..') {
+        unset($parts[$key]);
+      }
+    }
+
     $this->path = implode('/', $parts);
 
     if ($this->repository) {
@@ -96,6 +104,10 @@ class DiffusionGitRequest extends DiffusionRequest {
     return $this->getBranch();
   }
 
+  public function getBranchURIComponent($branch) {
+    return $this->encodeBranchName($branch).'/';
+  }
+
   private function decodeBranchName($branch) {
     return str_replace(':', '/', $branch);
   }

src/applications/diffusion/view/base/DiffusionView.php

@@ -0,0 +1,109 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+abstract class DiffusionView extends AphrontView {
+
+  private $diffusionRequest;
+
+  final public function setDiffusionRequest(DiffusionRequest $request) {
+    $this->diffusionRequest = $request;
+    return $this;
+  }
+
+  final public function getDiffusionRequest() {
+    return $this->diffusionRequest;
+  }
+
+  final public function linkHistory($path) {
+    $drequest = $this->getDiffusionRequest();
+
+    if ($drequest->getRawCommit()) {
+      $commit = ';'.$drequest->getCommitURIComponent($drequest->getRawCommit());
+    } else {
+      $commit = null;
+    }
+
+    $repository = $drequest->getRepository();
+    $callsign = $repository->getCallsign();
+
+    $branch = $drequest->getBranchURIComponent($drequest->getBranch());
+    $path = $branch.$path;
+
+    $text = 'History';
+
+    return phutil_render_tag(
+      'a',
+      array(
+        'href' => "/diffusion/{$callsign}/history/{$path}{$commit}",
+      ),
+      $text);
+  }
+
+  final public function linkBrowse($path, array $details = array()) {
+    $drequest = $this->getDiffusionRequest();
+
+    $raw_commit = idx($details, 'commit', $drequest->getRawCommit());
+    if ($raw_commit) {
+      $commit = ';'.$drequest->getCommitURIComponent($raw_commit);
+    } else {
+      $commit = null;
+    }
+
+    $repository = $drequest->getRepository();
+    $callsign = $repository->getCallsign();
+
+    $branch = $drequest->getBranchURIComponent($drequest->getBranch());
+    $path = $branch.$path;
+
+    if (isset($details['text'])) {
+      $text = phutil_escape_html($details['text']);
+    } else {
+      $text = 'Browse';
+    }
+
+    return phutil_render_tag(
+      'a',
+      array(
+        'href' => "/diffusion/{$callsign}/browse/{$path}{$commit}",
+      ),
+      $text);
+  }
+
+  final public static function linkCommit($repository, $commit) {
+
+    switch ($repository->getVersionControlSystem()) {
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
+        $commit_name = substr($commit, 0, 7);
+        break;
+      default:
+        $commit_name = $commit;
+        break;
+    }
+
+    $callsign = $repository->getCallsign();
+    $commit_name = "r{$callsign}{$commit_name}";
+
+    return phutil_render_tag(
+      'a',
+      array(
+        'href' => "/r{$callsign}{$commit}",
+      ),
+      $commit_name);
+  }
+
+}

src/applications/diffusion/view/base/__init__.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/repository/constants/repositorytype');
+phutil_require_module('phabricator', 'view/base');
+
+phutil_require_module('phutil', 'markup');
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('DiffusionView.php');

src/applications/diffusion/view/branchtable/DiffusionBranchTableView.php

@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class DiffusionBranchTableView extends DiffusionView {
+
+  private $branches;
+
+  public function setBranches(array $branches) {
+    $this->branches = $branches;
+    return $this;
+  }
+
+  public function render() {
+    $drequest = $this->getDiffusionRequest();
+    $current_branch = $drequest->getBranch();
+
+    $rows = array();
+    $rowc = array();
+    foreach ($this->branches as $branch) {
+      $rows[] = array(
+        phutil_escape_html($branch->getName()), // TODO: link
+        self::linkCommit(
+          $drequest->getRepository(),
+          $branch->getHeadCommitIdentifier()),
+        // TODO: etc etc
+      );
+      if ($branch->getName() == $current_branch) {
+        $rowc[] = 'highlighted';
+      } else {
+        $rowc[] = null;
+      }
+    }
+
+    $view = new AphrontTableView($rows);
+    $view->setHeaders(
+      array(
+        'Branch',
+        'Head',
+      ));
+    $view->setColumnClasses(
+      array(
+        'wide',
+      ));
+    $view->setRowClasses($rowc);
+    return $view->render();
+  }
+
+}

src/applications/diffusion/view/branchtable/__init__.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/diffusion/view/base');
+phutil_require_module('phabricator', 'view/control/table');
+
+phutil_require_module('phutil', 'markup');
+
+
+phutil_require_source('DiffusionBranchTableView.php');

src/applications/diffusion/view/browsetable/DiffusionBrowseTableView.php

@@ -16,35 +16,55 @@
  * limitations under the License.
  */
 
-final class DiffusionBrowseTableView extends AphrontView {
+final class DiffusionBrowseTableView extends DiffusionView {
 
-  private $request;
   private $paths;
 
-  public function setDiffusionRequest(DiffusionRequest $request) {
-    $this->request = $request;
-    return $this;
-  }
-
   public function setPaths(array $paths) {
     $this->paths = $paths;
     return $this;
   }
 
   public function render() {
+    $request = $this->getDiffusionRequest();
+
+    $base_path = trim($request->getPath(), '/');
+    if ($base_path) {
+      $base_path = $base_path.'/';
+    }
+
     $rows = array();
     foreach ($this->paths as $path) {
+
+      if ($path->getFileType() == DifferentialChangeType::FILE_DIRECTORY) {
+        $browse_text = $path->getPath().'/';
+        $dir_slash = '/';
+      } else {
+        $browse_text = $path->getPath();
+        $dir_slash = null;
+      }
+
       $rows[] = array(
-        phutil_escape_html($path->getPath()), // TODO: link
+        $this->linkHistory($base_path.$path->getPath().$dir_slash),
-        // TODO: etc etc
+        $this->linkBrowse(
+          $base_path.$path->getPath().$dir_slash,
+          array(
+            'text' => $browse_text,
+          )),
       );
     }
 
     $view = new AphrontTableView($rows);
     $view->setHeaders(
       array(
+        'History',
         'Path',
       ));
+    $view->setColumnClasses(
+      array(
+        '',
+        'wide pri',
+      ));
     return $view->render();
   }
 

src/applications/diffusion/view/browsetable/__init__.php

@@ -6,10 +6,9 @@
 
 
 
-phutil_require_module('phabricator', 'view/base');
+phutil_require_module('phabricator', 'applications/differential/constants/changetype');
+phutil_require_module('phabricator', 'applications/diffusion/view/base');
 phutil_require_module('phabricator', 'view/control/table');
 
-phutil_require_module('phutil', 'markup');
-
 
 phutil_require_source('DiffusionBrowseTableView.php');

src/applications/diffusion/view/commitchangetable/DiffusionCommitChangeTableView.php

@@ -16,16 +16,10 @@
  * limitations under the License.
  */
 
-final class DiffusionCommitChangeTableView extends AphrontView {
+final class DiffusionCommitChangeTableView extends DiffusionView {
 
-  private $request;
   private $pathChanges;
 
-  public function setDiffusionRequest(DiffusionRequest $request) {
-    $this->request = $request;
-    return $this;
-  }
-
   public function setPathChanges(array $path_changes) {
     $this->pathChanges = $path_changes;
     return $this;

src/applications/diffusion/view/commitchangetable/__init__.php

@@ -6,7 +6,7 @@
 
 
 
-phutil_require_module('phabricator', 'view/base');
+phutil_require_module('phabricator', 'applications/diffusion/view/base');
 phutil_require_module('phabricator', 'view/control/table');
 
 

src/applications/diffusion/view/historytable/DiffusionHistoryTableView.php

@@ -16,26 +16,33 @@
  * limitations under the License.
  */
 
-final class DiffusionHistoryTableView extends AphrontView {
+final class DiffusionHistoryTableView extends DiffusionView {
 
-  private $request;
   private $history;
 
-  public function setDiffusionRequest(DiffusionRequest $request) {
-    $this->request = $request;
-    return $this;
-  }
-
   public function setHistory(array $history) {
     $this->history = $history;
     return $this;
   }
 
   public function render() {
+    $drequest = $this->getDiffusionRequest();
+
     $rows = array();
     foreach ($this->history as $history) {
       $rows[] = array(
-        phutil_escape_html($history->getCommit()), // TODO: link
+        $this->linkBrowse(
+          $drequest->getPath(),
+          array(
+            'commit' => $history->getCommitIdentifier(),
+          )),
+        self::linkCommit(
+          $drequest->getRepository(),
+          $history->getCommitIdentifier()),
+        '?',
+        '?',
+        '',
+        '',
         // TODO: etc etc
       );
     }
@@ -43,7 +50,21 @@ final class DiffusionHistoryTableView extends AphrontView {
     $view = new AphrontTableView($rows);
     $view->setHeaders(
       array(
+        'Browse',
         'Commit',
+        'Change',
+        'Date',
+        'Author',
+        'Details',
+      ));
+    $view->setColumnClasses(
+      array(
+        '',
+        'n',
+        '',
+        '',
+        '',
+        'wide wrap',
       ));
     return $view->render();
   }

src/applications/diffusion/view/historytable/__init__.php

@@ -6,10 +6,8 @@
 
 
 
-phutil_require_module('phabricator', 'view/base');
+phutil_require_module('phabricator', 'applications/diffusion/view/base');
 phutil_require_module('phabricator', 'view/control/table');
 
-phutil_require_module('phutil', 'markup');
-
 
 phutil_require_source('DiffusionHistoryTableView.php');

src/applications/repository/worker/commitchangeparser/svn/PhabricatorRepositorySvnCommitChangeParserWorker.php

@@ -429,6 +429,12 @@ class PhabricatorRepositorySvnCommitChangeParserWorker
         }
       }
 
+      if ($effect['rawPath'] == '/') {
+        // Don't bother writing the CHILD events on '/' to the filesystem
+        // table; in particular, it doesn't have a meaningful parentID.
+        continue;
+      }
+
       $existed = !DifferentialChangeType::isDeleteChangeType($type);
 
       $sql[] = qsprintf(
@@ -607,9 +613,8 @@ class PhabricatorRepositorySvnCommitChangeParserWorker
   }
 
   private function getParentPath($path) {
-    $path = rtrim('/', $path);
+    $path = rtrim($path, '/');
     $path = dirname($path);
-    $path = rtrim('/', $path);
     if (!$path) {
       $path = '/';
     }

src/view/base/AphrontView.php

@@ -28,18 +28,18 @@ abstract class AphrontView {
   final protected function renderChildren() {
     $out = array();
     foreach ($this->children as $child) {
-      $out[] = $this->renderChild($child);
+      $out[] = $this->renderSingleView($child);
     }
     return implode('', $out);
   }
 
-  private function renderChild($child) {
+  final protected function renderSingleView($child) {
     if ($child instanceof AphrontView) {
       return $child->render();
     } else if (is_array($child)) {
       $out = array();
       foreach ($child as $element) {
-        $out[] = $this->renderChild($element);
+        $out[] = $this->renderSingleView($element);
       }
       return implode('', $out);
     } else {

src/view/layout/crumbs/AphrontCrumbsView.php

@@ -0,0 +1,50 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+final class AphrontCrumbsView extends AphrontView {
+
+  private $crumbs = array();
+
+  public function setCrumbs(array $crumbs) {
+    $this->crumbs = $crumbs;
+    return;
+  }
+
+  public function render() {
+
+    require_celerity_resource('aphront-crumbs-view-css');
+
+    $out = array();
+    foreach ($this->crumbs as $crumb) {
+      $out[] = $this->renderSingleView($crumb);
+    }
+    $out = implode(
+      '<span class="aphront-crumbs-spacer">'.
+        "\xC2\xBB".
+      '</span>',
+      $out);
+
+    return
+      '<div class="aphront-crumbs-view">'.
+        '<div class="aphront-crumbs-content">'.
+          $out.
+        '</div>'.
+      '</div>';
+  }
+
+}

src/view/layout/crumbs/__init__.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'infrastructure/celerity/api');
+phutil_require_module('phabricator', 'view/base');
+
+
+phutil_require_source('AphrontCrumbsView.php');

webroot/rsrc/css/aphront/crumbs-view.css

@@ -0,0 +1,18 @@
+/**
+ * @provides aphront-crumbs-view-css
+ */
+
+.aphront-crumbs-view {
+  margin: 1em 2em;
+}
+
+.aphront-crumbs-content {
+  font-size: 16px;
+  font-weight: bold;
+  color: #333;
+}
+
+.aphront-crumbs-spacer {
+  padding: 0 .35em;
+  color: #888888;
+}

webroot/rsrc/css/aphront/table-view.css

@@ -74,6 +74,10 @@
   white-space:      normal;
 }
 
+.aphront-table-view tr.highlighted {
+  background: #ffff66;
+}
+
 
 .aphront-table-view tr.no-data td {
   padding:    1em;