Bari.Core.Tools.ManuallyInstallableExternalTool.EnsureToolAvailable C# (CSharp) Method

        protected override void EnsureToolAvailable()
        {
            bool exists;
            if (!Path.IsPathRooted(ToolPath))
            {
                var paths = Environment.GetEnvironmentVariable("PATH").Split(Path.PathSeparator);
                exists = paths.Any(path =>
                {
                    var possibility = Path.Combine(path, ToolPath);
                    log.DebugFormat("Trying {0}", possibility);
                    return File.Exists(possibility);
                });
            }
            else
            {
                exists = File.Exists(ToolPath);
            }

            if (!exists)
            {
                throw new ToolMustBeInstalledManually(Name, manualUri);
            }
        }