diff --git a/src/applications/diffusion/engine/DiffusionCommitHookEngine.php b/src/applications/diffusion/engine/DiffusionCommitHookEngine.php
--- a/src/applications/diffusion/engine/DiffusionCommitHookEngine.php
+++ b/src/applications/diffusion/engine/DiffusionCommitHookEngine.php
@@ -407,7 +407,10 @@
       if (preg_match('(^refs/heads/)', $ref_raw)) {
         $ref_type = PhabricatorRepositoryPushLog::REFTYPE_BRANCH;
         $ref_raw = substr($ref_raw, strlen('refs/heads/'));
-      } else if (preg_match('(^refs/tags/)', $ref_raw)) {
+      } elseif (preg_match('(^refs/changes/)', $ref_raw)) {
+        $ref_type = PhabricatorRepositoryPushLog::REFTYPE_BRANCH;
+        $ref_raw = substr($ref_raw, strlen('refs/changes/'));
+      } elseif (preg_match('(^refs/tags/)', $ref_raw)) {
         $ref_type = PhabricatorRepositoryPushLog::REFTYPE_TAG;
         $ref_raw = substr($ref_raw, strlen('refs/tags/'));
       } else {
diff --git a/src/applications/diffusion/query/lowlevel/DiffusionLowLevelGitRefQuery.php b/src/applications/diffusion/query/lowlevel/DiffusionLowLevelGitRefQuery.php
--- a/src/applications/diffusion/query/lowlevel/DiffusionLowLevelGitRefQuery.php
+++ b/src/applications/diffusion/query/lowlevel/DiffusionLowLevelGitRefQuery.php
@@ -31,6 +31,9 @@
 
     if ($this->isOriginBranch) {
       if ($repository->isWorkingCopyBare()) {
+        $prefix = 'refs/changes/';
+      }
+      if ($repository->isWorkingCopyBare()) {
         $prefix = 'refs/heads/';
       } else {
         $remote = DiffusionGitBranch::DEFAULT_GIT_REMOTE;
diff --git a/src/applications/repository/engine/PhabricatorRepositoryPullEngine.php b/src/applications/repository/engine/PhabricatorRepositoryPullEngine.php
--- a/src/applications/repository/engine/PhabricatorRepositoryPullEngine.php
+++ b/src/applications/repository/engine/PhabricatorRepositoryPullEngine.php
@@ -313,7 +313,10 @@
         // For bare working copies, we need this magic incantation.
         $future = $repository->getRemoteCommandFuture(
           'fetch origin %s --prune',
-          '+refs/heads/*:refs/heads/*');
+          '+refs/heads/*:refs/heads/*',
+          '+refs/changes/*:refs/changes/*',
+          '+refs/meta/*:refs/meta/*'
+        );
       } else {
         $future = $repository->getRemoteCommandFuture(
           'fetch --all --prune');