Rough cut of Diffusion change view.

src/__phutil_library_map__.php

@@ -157,6 +157,8 @@ phutil_register_library_map(array(
     'DiffusionCommitChangeTableView' => 'applications/diffusion/view/commitchangetable',
     'DiffusionCommitController' => 'applications/diffusion/controller/commit',
     'DiffusionController' => 'applications/diffusion/controller/base',
+    'DiffusionDiffController' => 'applications/diffusion/controller/diff',
+    'DiffusionDiffQuery' => 'applications/diffusion/query/diff/base',
     'DiffusionFileContent' => 'applications/diffusion/data/filecontent',
     'DiffusionFileContentQuery' => 'applications/diffusion/query/filecontent/base',
     'DiffusionGitBranchQuery' => 'applications/diffusion/query/branch/git',
@@ -175,6 +177,7 @@ phutil_register_library_map(array(
     'DiffusionRepositoryPath' => 'applications/diffusion/data/repositorypath',
     'DiffusionRequest' => 'applications/diffusion/request/base',
     'DiffusionSvnBrowseQuery' => 'applications/diffusion/query/browse/svn',
+    'DiffusionSvnDiffQuery' => 'applications/diffusion/query/diff/svn',
     'DiffusionSvnFileContentQuery' => 'applications/diffusion/query/filecontent/svn',
     'DiffusionSvnHistoryQuery' => 'applications/diffusion/query/history/svn',
     'DiffusionSvnRequest' => 'applications/diffusion/request/svn',
@@ -525,6 +528,7 @@ phutil_register_library_map(array(
     'DiffusionCommitChangeTableView' => 'DiffusionView',
     'DiffusionCommitController' => 'DiffusionController',
     'DiffusionController' => 'PhabricatorController',
+    'DiffusionDiffController' => 'DiffusionController',
     'DiffusionGitBranchQuery' => 'DiffusionBranchQuery',
     'DiffusionGitBrowseQuery' => 'DiffusionBrowseQuery',
     'DiffusionGitFileContentQuery' => 'DiffusionFileContentQuery',
@@ -535,6 +539,7 @@ phutil_register_library_map(array(
     'DiffusionHomeController' => 'DiffusionController',
     'DiffusionRepositoryController' => 'DiffusionController',
     'DiffusionSvnBrowseQuery' => 'DiffusionBrowseQuery',
+    'DiffusionSvnDiffQuery' => 'DiffusionDiffQuery',
     'DiffusionSvnFileContentQuery' => 'DiffusionFileContentQuery',
     'DiffusionSvnHistoryQuery' => 'DiffusionHistoryQuery',
     'DiffusionSvnRequest' => 'DiffusionRequest',

src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php

@@ -205,6 +205,11 @@ class AphrontDefaultApplicationConfiguration
             '(?:[$](?P<line>\d+))?'.
             '$'
               => 'DiffusionBrowseController',
+          'diff/'.
+            '(?P<path>.*?)'.
+            '(?:[;](?P<commit>[a-z0-9]+))?'.
+            '$'
+              => 'DiffusionDiffController',
         ),
       ),
 

src/applications/differential/view/changesetlistview/DifferentialChangesetListView.php

@@ -21,6 +21,7 @@ class DifferentialChangesetListView extends AphrontView {
   private $changesets = array();
   private $editable;
   private $revision;
+  private $renderURI = '/differential/changeset/';
   private $vsMap = array();
 
   public function setChangesets($changesets) {
@@ -43,6 +44,11 @@ class DifferentialChangesetListView extends AphrontView {
     return $this;
   }
 
+  public function setRenderURI($render_uri) {
+    $this->renderURI = $render_uri;
+    return $this;
+  }
+
   public function render() {
     require_celerity_resource('differential-changeset-view-css');
 
@@ -105,11 +111,11 @@ class DifferentialChangesetListView extends AphrontView {
     Javelin::initBehavior('differential-populate', array(
       'registry'    => $mapping,
       'whitespace'  => $whitespace,
-      'uri'         => '/differential/changeset/',
+      'uri'         => $this->renderURI,
     ));
 
     Javelin::initBehavior('differential-show-more', array(
-      'uri' => '/differential/changeset/',
+      'uri' => $this->renderURI,
     ));
 
     if ($this->editable) {

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

@@ -144,6 +144,19 @@ abstract class DiffusionController extends PhabricatorController {
 
     $view = $spec['view'];
 
+    $path = null;
+    if (isset($spec['path'])) {
+      $path = $drequest->getPath();
+    }
+
+    if ($raw_commit) {
+      $commit_link = DiffusionView::linkCommit(
+        $repository,
+        $raw_commit);
+    } else {
+      $commit_link = '';
+    }
+
     switch ($view) {
       case 'history':
         $view_name = 'History';
@@ -152,16 +165,12 @@ abstract class DiffusionController extends PhabricatorController {
         $view_name = 'Browse';
         break;
       case 'change':
-        $crumb_list[] = 'TODO CHANGE';
+        $view_name = 'Change';
+        $crumb_list[] = phutil_escape_html($path).' ('.$commit_link.')';
         $crumbs->setCrumbs($crumb_list);
         return $crumbs;
     }
 
-    $path = null;
-    if (isset($spec['path'])) {
-      $path = $drequest->getPath();
-    }
-
     $view_root_uri = "/diffusion/{$callsign}/{$view}/{$branch_uri}";
     $jump_href = $view_root_uri;
 
@@ -209,9 +218,6 @@ abstract class DiffusionController extends PhabricatorController {
     $last_crumb = array_pop($crumb_list);
 
     if ($raw_commit) {
-      $commit_link = DiffusionView::linkCommit(
-        $repository,
-        $raw_commit);
       $jump_link = phutil_render_tag(
         'a',
         array(

src/applications/diffusion/controller/change/DiffusionChangeController.php

@@ -21,9 +21,6 @@ class DiffusionChangeController extends DiffusionController {
   public function processRequest() {
     $drequest = $this->diffusionRequest;
 
-//    $browse_query = DiffusionBrowseQuery::newFromDiffusionRequest($drequest);
-//    $results = $browse_query->loadPaths();
-
     $content = array();
 
     $content[] = $this->buildCrumbs(
@@ -33,55 +30,23 @@ class DiffusionChangeController extends DiffusionController {
         'view'   => 'change',
       ));
 
-/*
-    if (!$results) {
 
-      switch ($browse_query->getReasonForEmptyResultSet()) {
-        case DiffusionBrowseQuery::REASON_IS_NONEXISTENT:
-          $title = 'Path Does Not Exist';
-          // TODO: Under git, this error message should be more specific. It
-          // may exist on some other branch.
-          $body  = "This path does not exist anywhere.";
-          $severity = AphrontErrorView::SEVERITY_ERROR;
-          break;
-        case DiffusionBrowseQuery::REASON_IS_DELETED:
-          // TODO: Format all these commits into nice VCS-agnostic links.
-          $commit = $drequest->getCommit();
-          $deleted = $browse_query->getDeletedAtCommit();
-          $existed = $browse_query->getExistedAtCommit();
+    $diff_query = DiffusionDiffQuery::newFromDiffusionRequest($drequest);
+    $changeset = $diff_query->loadChangeset();
 
-          $title = 'Path Was Deleted';
-          $body = "This path does not exist at {$commit}. It was deleted in ".
-                  "{$deleted} and last existed at {$existed}.";
-          $severity = AphrontErrorView::SEVERITY_WARNING;
-          break;
-        case DiffusionBrowseQuery::REASON_IS_FILE:
-          $controller = new DiffusionBrowseFileController($this->getRequest());
-          $controller->setDiffusionRequest($drequest);
-          return $this->delegateToController($controller);
-          break;
-        default:
-          throw new Exception("Unknown failure reason!");
-      }
+    $changeset_view = new DifferentialChangesetListView();
+    $changeset_view->setChangesets(array($changeset));
+    $changeset_view->setRenderURI(
+      '/diffusion/'.$drequest->getRepository()->getCallsign().'/diff/');
 
-      $error_view = new AphrontErrorView();
-      $error_view->setSeverity($severity);
-      $error_view->setTitle($title);
-      $error_view->appendChild('<p>'.$body.'</p>');
+    // TODO: This is pretty awkward, unify the CSS between Diffusion and
+    // Differential better.
+    require_celerity_resource('differential-core-view-css');
+    $content[] =
+      '<div class="differential-primary-pane">'.
+        $changeset_view->render().
+      '</div>';
 
-      $content[] = $error_view;
-
-    } else {
-      $browse_table = new DiffusionBrowseTableView();
-      $browse_table->setDiffusionRequest($drequest);
-      $browse_table->setPaths($results);
-
-      $browse_panel = new AphrontPanelView();
-      $browse_panel->appendChild($browse_table);
-
-      $content[] = $browse_panel;
-    }
-*/
 
     $nav = $this->buildSideNav('change', true);
     $nav->appendChild($content);

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

@@ -6,7 +6,10 @@
 
 
 
+phutil_require_module('phabricator', 'applications/differential/view/changesetlistview');
 phutil_require_module('phabricator', 'applications/diffusion/controller/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/diff/base');
+phutil_require_module('phabricator', 'infrastructure/celerity/api');
 
 
 phutil_require_source('DiffusionChangeController.php');

src/applications/diffusion/controller/diff/DiffusionDiffController.php

@@ -0,0 +1,75 @@
+<?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 DiffusionDiffController extends DiffusionController {
+
+  public function willProcessRequest(array $data) {
+    $request = $this->getRequest();
+    if ($request->getStr('id')) {
+      $parts = explode(';', $request->getStr('id'));
+      $data['path'] = idx($parts, 0);
+      $data['commit'] = idx($parts, 1);
+    }
+
+    $this->diffusionRequest = DiffusionRequest::newFromAphrontRequestDictionary(
+      $data);
+  }
+
+  public function processRequest() {
+    $drequest = $this->getDiffusionRequest();
+    $request = $this->getRequest();
+
+    $diff_query = DiffusionDiffQuery::newFromDiffusionRequest($drequest);
+    $changeset = $diff_query->loadChangeset();
+
+    if (!$changeset) {
+      return new Aphront404Response();
+    }
+
+    $parser = new DifferentialChangesetParser();
+    $parser->setChangeset($changeset);
+    $parser->setWhitespaceMode(
+      DifferentialChangesetParser::WHITESPACE_SHOW_ALL);
+
+    $range_s = null;
+    $range_e = null;
+    $mask = array();
+
+    // TODO: This duplicates a block in DifferentialChangesetViewController.
+    $range = $request->getStr('range');
+    if ($range) {
+      $match = null;
+      if (preg_match('@^(\d+)-(\d+)(?:/(\d+)-(\d+))?$@', $range, $match)) {
+        $range_s = (int)$match[1];
+        $range_e = (int)$match[2];
+        if (count($match) > 3) {
+          $start = (int)$match[3];
+          $len = (int)$match[4];
+          for ($ii = $start; $ii < $start + $len; $ii++) {
+            $mask[$ii] = true;
+          }
+        }
+      }
+    }
+
+    $output = $parser->render($range_s, $range_e, $mask);
+
+    return id(new AphrontAjaxResponse())
+      ->setContent($output);
+  }
+}

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

@@ -0,0 +1,19 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'aphront/response/404');
+phutil_require_module('phabricator', 'aphront/response/ajax');
+phutil_require_module('phabricator', 'applications/differential/parser/changeset');
+phutil_require_module('phabricator', 'applications/diffusion/controller/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/diff/base');
+phutil_require_module('phabricator', 'applications/diffusion/request/base');
+
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('DiffusionDiffController.php');

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

@@ -26,6 +26,8 @@ final class DiffusionPathChange {
   private $changeType;
   private $fileType;
   private $targetPath;
+  private $targetCommitIdentifier;
+  private $awayPaths = array();
 
   final public function setPath($path) {
     $this->path = $path;
@@ -63,6 +65,15 @@ final class DiffusionPathChange {
     return $this->targetPath;
   }
 
+  public function setAwayPaths(array $away_paths) {
+    $this->awayPaths = $away_paths;
+    return $this;
+  }
+
+  public function getAwayPaths() {
+    return $this->awayPaths;
+  }
+
   final public function setCommitIdentifier($commit) {
     $this->commitIdentifier = $commit;
     return $this;
@@ -115,6 +126,4 @@ final class DiffusionPathChange {
   }
 
 
-
-
 }

src/applications/diffusion/query/diff/base/DiffusionDiffQuery.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.
+ */
+
+abstract class DiffusionDiffQuery {
+
+  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 = 'DiffusionGitDiffQuery';
+        break;
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
+        $class = 'DiffusionSvnDiffQuery';
+        break;
+      default:
+        throw new Exception("Unsupported VCS!");
+    }
+
+    PhutilSymbolLoader::loadClass($class);
+    $query = new $class();
+
+    $query->request = $request;
+
+    return $query;
+  }
+
+  final protected function getRequest() {
+    return $this->request;
+  }
+
+  final public function loadChangeset() {
+    return $this->executeQuery();
+  }
+
+  abstract protected function executeQuery();
+}

src/applications/diffusion/query/diff/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('DiffusionDiffQuery.php');

src/applications/diffusion/query/diff/svn/DiffusionSvnDiffQuery.php

@@ -0,0 +1,137 @@
+<?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 DiffusionSvnDiffQuery extends DiffusionDiffQuery {
+
+  protected function executeQuery() {
+    $drequest = $this->getRequest();
+
+    $path_change_query = DiffusionPathChangeQuery::newFromDiffusionRequest(
+      $drequest);
+    $path_changes = $path_change_query->loadChanges();
+
+    $path = null;
+    foreach ($path_changes as $change) {
+      if ($change->getPath() == $drequest->getPath()) {
+        $path = $change;
+      }
+    }
+
+    if (!$path) {
+      return null;
+    }
+
+    $change_type = $path->getChangeType();
+    switch ($change_type) {
+      case DifferentialChangeType::TYPE_MULTICOPY:
+      case DifferentialChangeType::TYPE_DELETE:
+        if ($path->getTargetPath()) {
+          $old = array(
+            $path->getTargetPath(),
+            $path->getTargetCommitIdentifier());
+        } else {
+          $old = array($path->getPath(), $path->getCommitIdentifier() - 1);
+        }
+        $old_name = $path->getPath();
+        $new_name = '';
+        $new = null;
+        break;
+      case DifferentialChangeType::TYPE_ADD:
+        $old = null;
+        $new = array($path->getPath(), $path->getCommitIdentifier());
+        $old_name = '';
+        $new_name = $path->getPath();
+        break;
+      case DifferentialChangeType::TYPE_MOVE_HERE:
+      case DifferentialChangeType::TYPE_COPY_HERE:
+        $old = array(
+          $path->getTargetPath(),
+          $path->getTargetCommitIdentifier());
+        $new = array($path->getPath(), $path->getCommitIdentifier());
+        $old_name = $path->getTargetPath();
+        $new_name = $path->getPath();
+        break;
+      default:
+        $old = array($path->getPath(), $path->getCommitIdentifier() - 1);
+        $new = array($path->getPath(), $path->getCommitIdentifier());
+        $old_name = $path->getPath();
+        $new_name = $path->getPath();
+        break;
+    }
+
+    $futures = array(
+      'old' => $this->buildContentFuture($old),
+      'new' => $this->buildContentFuture($new),
+    );
+    $futures = array_filter($futures);
+
+    foreach (Futures($futures) as $key => $future) {
+      $futures[$key] = $future->resolvex();
+    }
+
+    $old_data = idx($futures, 'old', '');
+    $new_data = idx($futures, 'new', '');
+
+    $old_tmp = new TempFile();
+    $new_tmp = new TempFile();
+
+    Filesystem::writeFile($old_tmp, $old_data);
+    Filesystem::writeFile($new_tmp, $new_data);
+
+    list($err, $raw_diff) = exec_manual(
+      'diff -L %s -L %s -U65535 %s %s',
+      nonempty($old_name, '/dev/universe').' 9999-99-99',
+      nonempty($new_name, '/dev/universe').' 9999-99-99',
+      $old_tmp,
+      $new_tmp);
+
+    $parser = new ArcanistDiffParser();
+    $parser->setDetectBinaryFiles(true);
+
+    $change = $parser->parseDiffusionPathChangesAndRawDiff(
+      $drequest->getPath(),
+      $path_changes,
+      $raw_diff);
+
+    $diff = DifferentialDiff::newFromRawChanges(array($change));
+    $changesets = $diff->getChangesets();
+    $changeset = reset($changesets);
+
+    $id = $drequest->getPath().';'.$drequest->getCommit();
+    $changeset->setID($id);
+
+    return $changeset;
+  }
+
+  private function buildContentFuture($spec) {
+    if (!$spec) {
+      return null;
+    }
+
+    $drequest = $this->getRequest();
+    $repository = $drequest->getRepository();
+
+    list($ref, $rev) = $spec;
+    return new ExecFuture(
+      'svn --non-interactive cat %s%s@%d',
+      $repository->getDetail('remote-uri'),
+      $ref,
+      $rev);
+  }
+
+}

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

@@ -0,0 +1,23 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('arcanist', 'parser/diff');
+
+phutil_require_module('phabricator', 'applications/differential/constants/changetype');
+phutil_require_module('phabricator', 'applications/differential/storage/diff');
+phutil_require_module('phabricator', 'applications/diffusion/query/diff/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/pathchange/base');
+
+phutil_require_module('phutil', 'filesystem');
+phutil_require_module('phutil', 'filesystem/tempfile');
+phutil_require_module('phutil', 'future');
+phutil_require_module('phutil', 'future/exec');
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('DiffusionSvnDiffQuery.php');

src/applications/diffusion/query/pathchange/base/DiffusionPathChangeQuery.php

@@ -73,6 +73,7 @@ class DiffusionPathChangeQuery {
       $change->setPath(ltrim($raw_change['pathName'], '/'));
       $change->setChangeType($raw_change['changeType']);
       $change->setFileType($raw_change['fileType']);
+      $change->setCommitIdentifier($commit->getCommitIdentifier());
       $changes[] = $change;
     }
 

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

@@ -29,7 +29,7 @@ abstract class DiffusionView extends AphrontView {
     return $this->diffusionRequest;
   }
 
-  final public function linkChange($change_type, $file_type) {
+  final public function linkChange($change_type, $file_type, $path = null) {
 
     $text = DifferentialChangeType::getFullNameForChangeType($change_type);
     if ($change_type == DifferentialChangeType::TYPE_CHILD) {
@@ -52,7 +52,7 @@ abstract class DiffusionView extends AphrontView {
     $callsign = $repository->getCallsign();
 
     $branch = $drequest->getBranchURIComponent($drequest->getBranch());
-    $path = $branch.$drequest->getPath();
+    $path = $branch.($path ? $path : $drequest->getPath());
 
     return phutil_render_tag(
       'a',

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

@@ -49,7 +49,8 @@ final class DiffusionCommitChangeTableView extends DiffusionView {
         $this->linkBrowse($change->getPath()),
         $this->linkChange(
           $change->getChangeType(),
-          $change->getFileType()),
+          $change->getFileType(),
+          $change->getPath()),
         phutil_render_tag(
           'a',
           array(