private void StartHostAsChildProcess()

in src/Cli/func/Actions/HostActions/StartHostAction.cs [590:651]
56 lines of code
6 McCabe index (conditional complexity)

        private void StartHostAsChildProcess(bool shouldStartNet8ChildProcess)
        {
            if (VerboseLogging == true)
            {
                ColoredConsole.WriteLine(VerboseColor($"Starting child process for {(shouldStartNet8ChildProcess ? DotnetConstants.InProc8HostRuntime : DotnetConstants.InProc6HostRuntime)} model host."));
            }

            var commandLineArguments = string.Join(" ", Environment.GetCommandLineArgs().Skip(1));
            var tcs = new TaskCompletionSource();

            var funcExecutablePath = GetInProcExecutablePath(isNet8: shouldStartNet8ChildProcess);

            EnsureFuncExecutablePresent(funcExecutablePath, shouldStartNet8ChildProcess);

            var childProcessInfo = new ProcessStartInfo
            {
                FileName = funcExecutablePath,
                Arguments = $"{commandLineArguments} --no-build",
                WorkingDirectory = Environment.CurrentDirectory,
                UseShellExecute = false,
                RedirectStandardOutput = true,
                RedirectStandardError = true,
                CreateNoWindow = true
            };

            try
            {
                var childProcess = Process.Start(childProcessInfo);
                if (VerboseLogging == true)
                {
                    ColoredConsole.WriteLine(VerboseColor($"Started child process with ID: {childProcess.Id}"));
                }

                childProcess!.OutputDataReceived += (sender, e) =>
                {
                    if (!string.IsNullOrEmpty(e.Data))
                    {
                        ColoredConsole.WriteLine(e.Data);
                    }
                };
                childProcess.ErrorDataReceived += (sender, e) =>
                {
                    if (!string.IsNullOrEmpty(e.Data))
                    {
                        ColoredConsole.WriteLine(ErrorColor(e.Data));
                    }
                };
                childProcess.EnableRaisingEvents = true;
                childProcess.Exited += (sender, args) =>
                {
                    tcs.SetResult();
                };
                childProcess.BeginOutputReadLine();
                childProcess.BeginErrorReadLine();
                _processManager.RegisterChildProcess(childProcess);
                childProcess.WaitForExit();
            }
            catch (Exception ex)
            {
                throw new CliException($"Failed to start the {(shouldStartNet8ChildProcess ? DotnetConstants.InProc8HostRuntime : DotnetConstants.InProc6HostRuntime)} model host. {ex.Message}");
            }
        }