private int InvokeScript()

in src/TestFramework/Core/Adapters/ShellAdapterProxy.cs [272:346]
64 lines of code
8 McCabe index (conditional complexity)

        private int InvokeScript(string path, string arguments)
        {
            int exitCode = 0;
            try
            {
                using (Process proc = new Process())
                {
                    // For Linux/macOS, use the shell on current system
                    string wslPath = "/bin/bash";

                    // Detect current OS
                    bool isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
                    if (isWindows)
                    {
                        // For Windows, WSL is needed
                        string winDir = Environment.GetEnvironmentVariable("WINDIR");
                        if (!string.IsNullOrEmpty(winDir))
                        {
                            if (Environment.Is64BitProcess)
                            {
                                wslPath = string.Format(@"{0}\System32\bash.exe", winDir);
                            }
                            else
                            {
                                wslPath = string.Format(@"{0}\Sysnative\bash.exe", winDir);
                            }

                            if (!File.Exists(wslPath))
                            {
                                TestSite.Assume.Fail("Windows Subsystem for Linux (WSL) is not installed.");
                            }
                        }
                    }

                    proc.StartInfo.FileName = wslPath;
                    proc.StartInfo.Arguments = String.Format("{0} {1}", path, arguments);
                    proc.StartInfo.UseShellExecute = false;
                    proc.StartInfo.CreateNoWindow = true;
                    proc.StartInfo.RedirectStandardError = true;
                    proc.StartInfo.RedirectStandardOutput = true;

                    List<string> wslEnvs = new List<string>();

                    // set ptfconfig properties as environment variables
                    foreach (string key in TestSite.Properties.AllKeys)
                    {
                        string envVar = "PTFProp_" + key.Replace(".", "_");
                        if (proc.StartInfo.EnvironmentVariables.ContainsKey(envVar))
                        {
                            proc.StartInfo.EnvironmentVariables.Remove(envVar);
                        }
                        proc.StartInfo.EnvironmentVariables.Add(envVar, TestSite.Properties[key]);

                        wslEnvs.Add(envVar + "/u");
                    }

                    // Set WSLENV to pass those environment variables into WSL
                    proc.StartInfo.EnvironmentVariables.Add("WSLENV", String.Join(":", wslEnvs));

                    proc.OutputDataReceived += new DataReceivedEventHandler(OutputDataReceivedHandler);
                    proc.ErrorDataReceived += new DataReceivedEventHandler(ErrorDataReceivedHandler);
                    proc.Start();
                    proc.BeginOutputReadLine();
                    proc.BeginErrorReadLine();
                    proc.WaitForExit();
                    exitCode = proc.ExitCode;
                    proc.Close();
                }
            }
            catch (System.ComponentModel.Win32Exception ex)
            {
                TestSite.Assume.Fail(ex.Message);
            }
            return exitCode;
        }