setup: add --help and --no_dotnet commands

installer/PowerToysBootstrapper/bootstrapper/bootstrapper.cpp

@@ -9,7 +9,6 @@
 #include <common/appMutex.h>
 #include <common/processApi.h>
 
-
 #include "resource.h"
 
 #include <runner/action_runner_utils.h>
@@ -64,12 +63,24 @@ enum class CmdArgs
 {
     silent,
     noFullUI,
-    noStartPT
+    noStartPT,
+    skipDotnetInstall,
+    showHelp
 };
 
+namespace
+{
+    const std::unordered_map<std::wstring_view, CmdArgs> knownArgs = {
+        { L"--help", CmdArgs::showHelp },
+        { L"--no_full_ui", CmdArgs::noFullUI },
+        { L"--silent", CmdArgs::silent },
+        { L"--no_start_pt", CmdArgs::noStartPT },
+        { L"--skip_dotnet_install", CmdArgs::skipDotnetInstall }
+    };
+}
+
 std::unordered_set<CmdArgs> parseCmdArgs(const int nCmdArgs, LPWSTR* argList)
 {
-    const std::unordered_map<std::wstring_view, CmdArgs> knownArgs = { { L"--no_full_ui", CmdArgs::noFullUI }, { L"--silent", CmdArgs::silent }, { L"--no_start_pt", CmdArgs::noStartPT } };
     std::unordered_set<CmdArgs> result;
     for (size_t i = 1; i < nCmdArgs; ++i)
     {
@@ -80,7 +91,6 @@ std::unordered_set<CmdArgs> parseCmdArgs(const int nCmdArgs, LPWSTR* argList)
     }
     return result;
 }
-
 int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
 {
     using namespace localized_strings;
@@ -89,6 +99,17 @@ int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
     int nCmdArgs = 0;
     LPWSTR* argList = CommandLineToArgvW(GetCommandLineW(), &nCmdArgs);
     const auto cmdArgs = parseCmdArgs(nCmdArgs, argList);
+    std::wostringstream oss;
+    if (cmdArgs.contains(CmdArgs::showHelp))
+    {
+        oss << "Supported arguments:\n\n";
+        for (auto [arg, _] : knownArgs)
+        {
+            oss << arg << '\n';
+        }
+        MessageBoxW(nullptr, oss.str().c_str(), L"Help", MB_OK | MB_ICONINFORMATION);
+        return 0;
+    }
     if (!cmdArgs.contains(CmdArgs::noFullUI))
     {
         MsiSetInternalUI(INSTALLUILEVEL_FULL, nullptr);
@@ -231,16 +252,24 @@ int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
     {
         notifications::show_toast(UNINSTALL_PREVIOUS_VERSION_ERROR, TOAST_TITLE);
     }
-
+    const bool installDotnet = !cmdArgs.contains(CmdArgs::skipDotnetInstall);
-    updateProgressBar(.5f, INSTALLING_DOTNET);
+    if (installDotnet)
-    if (!updating::dotnet_is_installed() && !updating::install_dotnet() && !cmdArgs.contains(CmdArgs::silent))
+    {
+        updateProgressBar(.5f, INSTALLING_DOTNET);
+    }
+    if (installDotnet &&
+        !updating::dotnet_is_installed() &&
+        !updating::install_dotnet(cmdArgs.contains(CmdArgs::silent)) &&
+        !cmdArgs.contains(CmdArgs::silent))
     {
         notifications::show_toast(DOTNET_INSTALL_ERROR, TOAST_TITLE);
     }
 
     updateProgressBar(.75f, INSTALLING_NEW_VERSION);
 
-    const bool installationDone = MsiInstallProductW(installerPath->c_str(), nullptr) == ERROR_SUCCESS;
+    // Always skip dotnet install, because we should've installed it from here earlier
+    std::wstring msiProps = L"SKIPDOTNETINSTALL=1 ";
+    const bool installationDone = MsiInstallProductW(installerPath->c_str(), msiProps.c_str()) == ERROR_SUCCESS;
     updateProgressBar(1.f, installationDone ? NEW_VERSION_INSTALLATION_DONE : NEW_VERSION_INSTALLATION_ERROR);
     if (!installationDone)
     {

installer/PowerToysBootstrapper/bootstrapper/pch.h

@@ -11,3 +11,5 @@
 #include <Msi.h>
 
 #include <unordered_set>
+#include <tuple>
+#include <sstream>

installer/PowerToysSetup/Product.wxs

@@ -70,6 +70,7 @@
     <Property Id="INSTALLSTARTMENUSHORTCUT" Value="1"/>
     <Property Id="CREATESCHEDULEDTASK" Value="1"/>
     <Property Id="WixShellExecTarget" Value="[#action_runner.exe]" />
+    <Property Id="SKIPDOTNETINSTALL" Value="0"/>
         
     <Property Id ="EXISTINGPOWERRENAMEEXTPATH">
       <RegistrySearch Id="ExistingExtPath" Root="HKCR" Key="CLSID\{0440049F-D1DC-4E46-B27B-98393D79486B}\InprocServer32" Type="raw"/>
@@ -96,7 +97,7 @@
       </Custom>
       
       <Custom Action="InstallDotNet" After="InstallFinalize">
-        NOT Installed
+        NOT Installed and (SKIPDOTNETINSTALL = 0)
       </Custom>
 
       <Custom Action="TerminateProcesses" Before="InstallValidate" />

src/common/updating/dotnet_installation.cpp

@@ -20,7 +20,7 @@ namespace updating
         return runtimes->find(DESKTOP_DOTNET_RUNTIME_STRING) != std::string::npos;
     }
 
-    bool install_dotnet()
+    bool install_dotnet(const bool silent)
     {
         const wchar_t DOTNET_DESKTOP_DOWNLOAD_LINK[] = L"https://download.visualstudio.microsoft.com/download/pr/3eb7efa1-96c6-4e97-bb9f-563ecf595f8a/7efd9c1cdd74df8fb0a34c288138a84f/windowsdesktop-runtime-3.1.6-win-x64.exe";
         const wchar_t DOTNET_DESKTOP_FILENAME[] = L"windowsdesktop-runtime.exe";
@@ -52,7 +52,9 @@ namespace updating
         sei.fMask = { SEE_MASK_NOASYNC | SEE_MASK_NOCLOSEPROCESS | SEE_MASK_NO_CONSOLE };
         sei.lpFile = dotnet_download_path.c_str();
         sei.nShow = SW_SHOWNORMAL;
-        sei.lpParameters = L"/install /passive";
+        std::wstring dotnet_flags = L"/install ";
+        dotnet_flags += silent ? L"/quiet" : L"/passive";
+        sei.lpParameters = dotnet_flags.c_str();
         if (ShellExecuteExW(&sei) != TRUE)
         {
             return false;

src/common/updating/dotnet_installation.h

@@ -3,5 +3,5 @@
 namespace updating
 {
     bool dotnet_is_installed();
-    bool install_dotnet();
+    bool install_dotnet(const bool silent = false);
 }