From cebd38891a4e905a71cb8aaa105e878bbeb1917b Mon Sep 17 00:00:00 2001
From: Josh Klontz <josh.klontz@gmail.com>
Date: Thu, 28 Jan 2016 08:35:20 -0500
Subject: [PATCH] avoid infinite loops when attempting to automatically locate the SDK

---
 openbr/openbr_plugin.cpp | 3 +++
 1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/openbr/openbr_plugin.cpp b/openbr/openbr_plugin.cpp
index a95dc4f..3f1adc8 100644
--- a/openbr/openbr_plugin.cpp
+++ b/openbr/openbr_plugin.cpp
@@ -1245,6 +1245,7 @@ void br::Context::initialize(int &argc, char *argv[], QString sdkPath, bool useG
     if (sdkPath.isEmpty()) {
         QStringList checkPaths; checkPaths << QCoreApplication::applicationDirPath() << QDir::currentPath();
         checkPaths << QString(getenv("PATH")).split(sep, QString::SkipEmptyParts);
+        QSet<QString> checkedPaths; // Avoid infinite loops from symlinks
 
         bool foundSDK = false;
         foreach (const QString &path, checkPaths) {
@@ -1252,6 +1253,8 @@ void br::Context::initialize(int &argc, char *argv[], QString sdkPath, bool useG
             QDir dir(path);
             do {
                 sdkPath = dir.absolutePath();
+                if (checkedPaths.contains(sdkPath)) break;
+                else                                checkedPaths.insert(sdkPath);
                 foundSDK = checkSDKPath(sdkPath);
                 dir.cdUp();
             } while (!foundSDK && !dir.isRoot());
--
libgit2 0.21.4