From 284ee03919b356e1ee8d22561916ddaad9ab765b Mon Sep 17 00:00:00 2001
From: epriestley <git@epriestley.com>
Date: Wed, 25 Apr 2012 07:21:03 -0700
Subject: [PATCH] Show refs in Diffusion for Git commits

Summary: In Diffusion, for Git, show commit refs (like "origin/master, origin/HEAD").

Test Plan: Looked at several Git, Hg and SVN commits.

Reviewers: davidreuss, btrahan, vrana, jungejason

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T1130

Differential Revision: https://secure.phabricator.com/D2311
---
 .../commit/DiffusionCommitController.php      | 28 +++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/applications/diffusion/controller/commit/DiffusionCommitController.php b/src/applications/diffusion/controller/commit/DiffusionCommitController.php
index 0d721b0f16..b9346efb64 100644
--- a/src/applications/diffusion/controller/commit/DiffusionCommitController.php
+++ b/src/applications/diffusion/controller/commit/DiffusionCommitController.php
@@ -352,11 +352,16 @@ final class DiffusionCommitController extends DiffusionController {
     }
 
 
-    $tags = $this->renderTags($request);
+    $tags = $this->buildTags($request);
     if ($tags) {
       $props['Tags'] = $tags;
     }
 
+    $refs = $this->buildRefs($request);
+    if ($refs) {
+      $props['Refs'] = $refs;
+    }
+
     if ($task_phids) {
       $task_list = array();
       foreach ($task_phids as $phid) {
@@ -726,7 +731,7 @@ final class DiffusionCommitController extends DiffusionController {
     return $action_list;
   }
 
-  private function renderTags(DiffusionRequest $request) {
+  private function buildTags(DiffusionRequest $request) {
     $tag_limit = 10;
 
     $tag_query = DiffusionCommitTagsQuery::newFromDiffusionRequest($request);
@@ -771,4 +776,23 @@ final class DiffusionCommitController extends DiffusionController {
     return $tag_links;
   }
 
+  private function buildRefs(DiffusionRequest $request) {
+    // Not turning this into a proper Query class since it's pretty simple,
+    // one-off, and Git-specific.
+
+    $type_git = PhabricatorRepositoryType::REPOSITORY_TYPE_GIT;
+
+    $repository = $request->getRepository();
+    if ($repository->getVersionControlSystem() != $type_git) {
+      return null;
+    }
+
+    list($stdout) = $repository->execxLocalCommand(
+      'log --format=%s -n 1 %s --',
+      '%d',
+      $request->getCommit());
+
+    return trim($stdout, "() \n");
+  }
+
 }