diff --git a/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php b/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php
--- a/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php
+++ b/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php
@@ -212,9 +212,7 @@
       ->setObject($object)
       ->execute();
 
-    $track_value = $object->getDetail('branch-filter', array());
-    $track_value = array_keys($track_value);
-
+    $track_value = $object->getTrackOnlyRules();
     $autoclose_value = $object->getAutocloseOnlyRules();
 
     $automation_instructions = pht(
diff --git a/src/applications/diffusion/management/DiffusionRepositoryBranchesManagementPanel.php b/src/applications/diffusion/management/DiffusionRepositoryBranchesManagementPanel.php
--- a/src/applications/diffusion/management/DiffusionRepositoryBranchesManagementPanel.php
+++ b/src/applications/diffusion/management/DiffusionRepositoryBranchesManagementPanel.php
@@ -23,7 +23,7 @@
 
     $has_any =
       $repository->getDetail('default-branch') ||
-      $repository->getDetail('branch-filter') ||
+      $repository->getTrackOnlyRules() ||
       $repository->getAutocloseOnlyRules();
 
     if ($has_any) {
@@ -74,12 +74,14 @@
       ->setViewer($viewer);
 
     $default_branch = nonempty(
-      $repository->getHumanReadableDetail('default-branch'),
+      $repository->getDetail('default-branch'),
       phutil_tag('em', array(), $repository->getDefaultBranch()));
     $view->addProperty(pht('Default Branch'), $default_branch);
 
+    $track_only_rules = $repository->getTrackOnlyRules();
+    $track_only_rules = implode(', ', $track_only_rules);
     $track_only = nonempty(
-      $repository->getHumanReadableDetail('branch-filter', array()),
+      $track_only_rules,
       phutil_tag('em', array(), pht('Track All Branches')));
     $view->addProperty(pht('Track Only'), $track_only);
 
diff --git a/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php b/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php
--- a/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php
+++ b/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php
@@ -68,7 +68,7 @@
       ->setViewer($viewer);
 
     $default_branch = nonempty(
-      $repository->getHumanReadableDetail('svn-subpath'),
+      $repository->getDetail('svn-subpath'),
       phutil_tag('em', array(), pht('Import Entire Repository')));
     $view->addProperty(pht('Import Only'), $default_branch);
 
diff --git a/src/applications/repository/storage/PhabricatorRepository.php b/src/applications/repository/storage/PhabricatorRepository.php
--- a/src/applications/repository/storage/PhabricatorRepository.php
+++ b/src/applications/repository/storage/PhabricatorRepository.php
@@ -239,19 +239,6 @@
     return idx($this->details, $key, $default);
   }
 
-  public function getHumanReadableDetail($key, $default = null) {
-    $value = $this->getDetail($key, $default);
-
-    switch ($key) {
-      case 'branch-filter':
-        $value = array_keys($value);
-        $value = implode(', ', $value);
-        break;
-    }
-
-    return $value;
-  }
-
   public function setDetail($key, $value) {
     $this->details[$key] = $value;
     return $this;
@@ -1211,6 +1198,16 @@
     return $this;
   }
 
+  public function getTrackOnlyRules() {
+    return array_keys($this->getDetail('branch-filter', array()));
+  }
+
+  public function setTrackOnlyRules(array $rules) {
+    $rules = array_fill_keys($rules, true);
+    $this->setDetail('branch-filter', $rules);
+    return $this;
+  }
+
 
 /* -(  Repository URI Management  )------------------------------------------ */
 
diff --git a/src/applications/repository/storage/__tests__/PhabricatorRepositoryTestCase.php b/src/applications/repository/storage/__tests__/PhabricatorRepositoryTestCase.php
--- a/src/applications/repository/storage/__tests__/PhabricatorRepositoryTestCase.php
+++ b/src/applications/repository/storage/__tests__/PhabricatorRepositoryTestCase.php
@@ -37,11 +37,7 @@
       $repo->shouldTrackBranch('imaginary'),
       pht('Track all branches by default.'));
 
-    $repo->setDetail(
-      'branch-filter',
-      array(
-        'master' => true,
-      ));
+    $repo->setTrackOnlyRules(array('master'));
 
     $this->assertTrue(
       $repo->shouldTrackBranch('master'),
diff --git a/src/applications/repository/xaction/PhabricatorRepositoryTrackOnlyTransaction.php b/src/applications/repository/xaction/PhabricatorRepositoryTrackOnlyTransaction.php
--- a/src/applications/repository/xaction/PhabricatorRepositoryTrackOnlyTransaction.php
+++ b/src/applications/repository/xaction/PhabricatorRepositoryTrackOnlyTransaction.php
@@ -6,11 +6,11 @@
   const TRANSACTIONTYPE = 'repo:track-only';
 
   public function generateOldValue($object) {
-    return array_keys($object->getDetail('branch-filter', array()));
+    return $object->getTrackOnlyRules();
   }
 
   public function applyInternalEffects($object, $value) {
-    $object->setDetail('branch-filter', array_fill_keys($value, true));
+    $object->setTrackOnlyRules($value);
   }
 
   public function getTitle() {