public int Publish()

in src/Amazon.Lambda.Tools/LambdaDotNetCLIWrapper.cs [152:354]


        public int Publish(LambdaToolsDefaults defaults, string projectLocation, string outputLocation, string targetFramework, string configuration, string msbuildParameters, string architecture, IList<string> publishManifests)
        {
            if(outputLocation == null)
                throw new ArgumentNullException(nameof(outputLocation));
            
            if (Directory.Exists(outputLocation))
            {
                try
                {
                    Directory.Delete(outputLocation, true);
                    _logger?.WriteLine("Deleted previous publish folder");
                }
                catch (Exception e)
                {
                    _logger?.WriteLine($"Warning unable to delete previous publish folder: {e.Message}");
                }
            }

            _logger?.WriteLine($"... invoking 'dotnet publish', working folder '{outputLocation}'");

            var dotnetCLI = FindExecutableInPath("dotnet.exe");
            if (dotnetCLI == null)
                dotnetCLI = FindExecutableInPath("dotnet");
            if (string.IsNullOrEmpty(dotnetCLI))
                throw new Exception("Failed to locate dotnet CLI executable. Make sure the dotnet CLI is installed in the environment PATH.");

            var fullProjectLocation = this._workingDirectory;
            if (!string.IsNullOrEmpty(projectLocation))
            {
                fullProjectLocation = Utilities.DetermineProjectLocation(this._workingDirectory, projectLocation);
            }

            StringBuilder arguments = new StringBuilder("publish");
            if (!string.IsNullOrEmpty(projectLocation))
            {
                arguments.Append($" \"{fullProjectLocation}\"");
            }
            if (!string.IsNullOrEmpty(outputLocation))
            {
                arguments.Append($" --output \"{outputLocation}\"");
            }

            if (!string.IsNullOrEmpty(configuration))
            {
                arguments.Append($" --configuration \"{configuration}\"");
            }

            if (!string.IsNullOrEmpty(targetFramework))
            {
                arguments.Append($" --framework \"{targetFramework}\"");
            }

            if (!string.IsNullOrEmpty(msbuildParameters))
            {
                arguments.Append($" {msbuildParameters}");
            }

            if (!string.Equals("netcoreapp1.0", targetFramework, StringComparison.OrdinalIgnoreCase))
            {
                arguments.Append(" /p:GenerateRuntimeConfigurationFiles=true");

                // Define an action to set the runtime and self-contained switches.
                var applyRuntimeSwitchAction = (Action)(() =>
                {
                    if (msbuildParameters == null ||
                        msbuildParameters.IndexOf("--runtime", StringComparison.InvariantCultureIgnoreCase) == -1)
                    {
                        arguments.Append($" --runtime {LambdaUtilities.DetermineRuntimeParameter(targetFramework, architecture)}");
                    }

                    if (msbuildParameters == null ||
                        msbuildParameters.IndexOf("--self-contained", StringComparison.InvariantCultureIgnoreCase) == -1)
                    {
                        arguments.Append(" --self-contained false ");
                    }

                });

                // This is here to not change existing behavior for the 2.0 and 2.1 runtimes. For those runtimes if
                // cshtml files are being used we need to support that cshtml being compiled at runtime. In order to do that we
                // need to not turn PreserveCompilationContext which provides reference assemblies to the runtime
                // compilation and not set a runtime.
                //
                // If there are no cshtml then disable PreserveCompilationContext to reduce package size and continue
                // to use the same runtime identifier that we used when those runtimes were launched.
                if (new string[] { "netcoreapp2.0", "netcoreapp2.1" }.Contains(targetFramework))
                {
                    if(Directory.GetFiles(fullProjectLocation, "*.cshtml", SearchOption.AllDirectories).Length == 0)
                    {
                        applyRuntimeSwitchAction();

                        if (string.IsNullOrEmpty(msbuildParameters) ||
                            !msbuildParameters.Contains("PreserveCompilationContext"))
                        {
                            _logger?.WriteLine("... Disabling compilation context to reduce package size. If compilation context is needed pass in the \"/p:PreserveCompilationContext=false\" switch.");
                            arguments.Append(" /p:PreserveCompilationContext=false");
                        }
                    }
                }
                else
                {
                    applyRuntimeSwitchAction();
                }

                // If we have a manifest of packages already deploy in target deployment environment then write it to disk and add the 
                // command line switch
                if(publishManifests != null && publishManifests.Count > 0)
                {
                    foreach(var manifest in publishManifests)
                    {
                        arguments.Append($" --manifest \"{manifest}\"");
                    }                    
                }
            }

            // echo the full dotnet command for debug
            _logger?.WriteLine($"... dotnet {arguments}");

            var psi = new ProcessStartInfo
            {
                FileName = dotnetCLI,
                Arguments = arguments.ToString(),
                WorkingDirectory = this._workingDirectory,
                RedirectStandardOutput = true,
                RedirectStandardError = true,
                UseShellExecute = false,
                CreateNoWindow = true
            };

            var handler = (DataReceivedEventHandler)((o, e) =>
            {
                if (string.IsNullOrEmpty(e.Data))
                    return;
                _logger?.WriteLine("... publish: " + e.Data);
            });

            int exitCode;
            using (var proc = new Process())
            {
                proc.StartInfo = psi;
                proc.Start();


                proc.ErrorDataReceived += handler;
                proc.OutputDataReceived += handler;
                proc.BeginOutputReadLine();
                proc.BeginErrorReadLine();

                proc.EnableRaisingEvents = true;

                proc.WaitForExit();

                exitCode = proc.ExitCode;
            }

            if (exitCode == 0)
            {
                ProcessAdditionalFiles(defaults, outputLocation);

                var chmodPath = FindExecutableInPath("chmod");
                if (!string.IsNullOrEmpty(chmodPath) && File.Exists(chmodPath))
                {
                    // as we are not invoking through a shell, which would handle
                    // wildcard expansion for us, we need to invoke per-file
                    var files = Directory.GetFiles(outputLocation, "*", SearchOption.TopDirectoryOnly);
                    foreach (var file in files)
                    {
                        var filename = Path.GetFileName(file);
                        var psiChmod = new ProcessStartInfo
                        {
                            FileName = chmodPath,
                            Arguments = "+rx \"" + filename + "\"",
                            WorkingDirectory = outputLocation,
                            RedirectStandardOutput = true,
                            RedirectStandardError = true,
                            UseShellExecute = false,
                            CreateNoWindow = true
                        };

                        using (var proc = new Process())
                        {
                            proc.StartInfo = psiChmod;
                            proc.Start();

                            proc.ErrorDataReceived += handler;
                            proc.OutputDataReceived += handler;
                            proc.BeginOutputReadLine();
                            proc.BeginErrorReadLine();

                            proc.EnableRaisingEvents = true;
                            proc.WaitForExit();

                            if (proc.ExitCode == 0)
                            {
                                this._logger?.WriteLine($"Changed permissions on published file (chmod +rx {filename}).");
                            }
                        }
                    }
                }
            }

            return exitCode;
        }