From af9c5c6013b4e661cda0ff8fed40a50ae62d5a74 Mon Sep 17 00:00:00 2001
From: Andrey Akinshin <andrey.akinshin@gmail.com>
Date: Mon, 16 Oct 2023 15:39:35 +0200
Subject: [PATCH] Exception handling in DotNetCliGenerator.GetRootDirectory,
 fix #2436

---
 .../DotNetCli/DotNetCliGenerator.cs           | 22 +++++++++++++------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs b/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs
index 47ff074fc3..a432fbf881 100644
--- a/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs
+++ b/src/BenchmarkDotNet/Toolchains/DotNetCli/DotNetCliGenerator.cs
@@ -61,17 +61,25 @@ internal static bool GetProjectRootDirectory(out DirectoryInfo directoryInfo)
             return GetRootDirectory(IsRootProjectFolder, out directoryInfo);
         }
 
-        internal static bool GetRootDirectory(Func<DirectoryInfo, bool> condition, out DirectoryInfo directoryInfo)
+        internal static bool GetRootDirectory(Func<DirectoryInfo, bool> condition, out DirectoryInfo? directoryInfo)
         {
-            directoryInfo = new DirectoryInfo(Directory.GetCurrentDirectory());
-            while (directoryInfo != null)
+            directoryInfo = null;
+            try
             {
-                if (condition(directoryInfo))
+                directoryInfo = new DirectoryInfo(Directory.GetCurrentDirectory());
+                while (directoryInfo != null)
                 {
-                    return true;
-                }
+                    if (condition(directoryInfo))
+                    {
+                        return true;
+                    }
 
-                directoryInfo = directoryInfo.Parent;
+                    directoryInfo = directoryInfo.Parent;
+                }
+            }
+            catch
+            {
+                return false;
             }
 
             return false;