diff --git a/src/applications/differential/conduit/DifferentialUpdateRevisionConduitAPIMethod.php b/src/applications/differential/conduit/DifferentialUpdateRevisionConduitAPIMethod.php
--- a/src/applications/differential/conduit/DifferentialUpdateRevisionConduitAPIMethod.php
+++ b/src/applications/differential/conduit/DifferentialUpdateRevisionConduitAPIMethod.php
@@ -69,7 +69,7 @@
       throw new ConduitException('ERR_BAD_REVISION');
     }
 
-    if ($revision->getStatus() == ArcanistDifferentialRevisionStatus::CLOSED) {
+    if ($revision->isPublished()) {
       throw new ConduitException('ERR_CLOSED');
     }
 
diff --git a/src/applications/differential/constants/DifferentialRevisionStatus.php b/src/applications/differential/constants/DifferentialRevisionStatus.php
--- a/src/applications/differential/constants/DifferentialRevisionStatus.php
+++ b/src/applications/differential/constants/DifferentialRevisionStatus.php
@@ -44,6 +44,14 @@
     return ($this->key === self::NEEDS_REVIEW);
   }
 
+  public function isPublished() {
+    return ($this->key === self::PUBLISHED);
+  }
+
+  public function isChangePlanned() {
+    return ($this->key === self::CHANGES_PLANNED);
+  }
+
   public static function newForLegacyStatus($legacy_status) {
     $result = new self();
 
diff --git a/src/applications/differential/storage/DifferentialRevision.php b/src/applications/differential/storage/DifferentialRevision.php
--- a/src/applications/differential/storage/DifferentialRevision.php
+++ b/src/applications/differential/storage/DifferentialRevision.php
@@ -629,6 +629,14 @@
     return $this->getStatusObject()->isNeedsReview();
   }
 
+  public function isChangePlanned() {
+    return $this->getStatusObject()->isChangePlanned();
+  }
+
+  public function isPublished() {
+    return $this->getStatusObject()->isPublished();
+  }
+
   public function getStatusIcon() {
     return $this->getStatusObject()->getIcon();
   }
diff --git a/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php b/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
@@ -56,9 +56,7 @@
   }
 
   protected function validateAction($object, PhabricatorUser $viewer) {
-    $status_planned = ArcanistDifferentialRevisionStatus::CHANGES_PLANNED;
-
-    if ($object->getStatus() == $status_planned) {
+    if ($object->isChangePlanned()) {
       throw new Exception(
         pht(
           'You can not request review of this revision because this '.
diff --git a/src/applications/differential/xaction/DifferentialRevisionReopenTransaction.php b/src/applications/differential/xaction/DifferentialRevisionReopenTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionReopenTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionReopenTransaction.php
@@ -39,10 +39,7 @@
   }
 
   protected function validateAction($object, PhabricatorUser $viewer) {
-    // Note that we're testing for "Closed", exactly, not just any closed
-    // status.
-    $status_closed = ArcanistDifferentialRevisionStatus::CLOSED;
-    if ($object->getStatus() != $status_closed) {
+    if ($object->isPublished()) {
       throw new Exception(
         pht(
           'You can not reopen this revision because it is not closed. '.
diff --git a/src/applications/differential/xaction/DifferentialRevisionRequestReviewTransaction.php b/src/applications/differential/xaction/DifferentialRevisionRequestReviewTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionRequestReviewTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionRequestReviewTransaction.php
@@ -37,8 +37,7 @@
   }
 
   protected function validateAction($object, PhabricatorUser $viewer) {
-    $status_review = ArcanistDifferentialRevisionStatus::NEEDS_REVIEW;
-    if ($object->getStatus() == $status_review) {
+    if ($object->isNeedsReview()) {
       throw new Exception(
         pht(
           'You can not request review of this revision because this '.
diff --git a/src/applications/repository/worker/commitmessageparser/PhabricatorRepositoryCommitMessageParserWorker.php b/src/applications/repository/worker/commitmessageparser/PhabricatorRepositoryCommitMessageParserWorker.php
--- a/src/applications/repository/worker/commitmessageparser/PhabricatorRepositoryCommitMessageParserWorker.php
+++ b/src/applications/repository/worker/commitmessageparser/PhabricatorRepositoryCommitMessageParserWorker.php
@@ -203,10 +203,7 @@
           $revision->getID(),
           $commit->getPHID());
 
-        $status_closed = ArcanistDifferentialRevisionStatus::CLOSED;
-        $should_close = ($revision->getStatus() != $status_closed) &&
-                        $should_autoclose;
-
+        $should_close = !$revision->isPublished() && $should_autoclose;
         if ($should_close) {
            $commit_close_xaction = id(new DifferentialTransaction())
             ->setTransactionType(DifferentialTransaction::TYPE_ACTION)