Exception handling in DotNetCliGenerator.GetRootDirectory, fix #2436

Author: AndreyAkinshin

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;