bootstrapper: add --extract_msi arg for users that must access MSI (#8646)

* bootstrapper: add --extract_msi arg for users that must access MSI

- clean up setting outdated MSI properties
- minor fixes

installer/PowerToysBootstrapper/bootstrapper/bootstrapper.cpp

@@ -17,7 +17,6 @@
 
 #include "progressbar_window.h"
 
-
 auto Strings = create_notifications_strings();
 
 #define STR_HELPER(x) #x
@@ -37,14 +36,14 @@ namespace // Strings in this namespace should not be localized
 
 namespace fs = std::filesystem;
 
-std::optional<fs::path> extractEmbeddedInstaller()
+std::optional<fs::path> extractEmbeddedInstaller(const fs::path extractPath)
 {
     auto executableRes = RcResource::create(IDR_BIN_MSIINSTALLER, L"BIN");
     if (!executableRes)
     {
         return std::nullopt;
     }
-    auto installerPath = fs::temp_directory_path() / L"PowerToysBootstrappedInstaller-" PRODUCT_VERSION_STRING L".msi";
+    auto installerPath = extractPath / L"PowerToysBootstrappedInstaller-" PRODUCT_VERSION_STRING L".msi";
     return executableRes->saveAsFile(installerPath) ? std::make_optional(std::move(installerPath)) : std::nullopt;
 }
 
@@ -106,7 +105,8 @@ int bootstrapper(HINSTANCE hInstance)
         ("skip_dotnet_install", "Skip dotnet 3.X installation even if it's not detected")
         ("log_level", "Log level. Possible values: off|debug|error", cxxopts::value<std::string>()->default_value("off"))
         ("log_dir", "Log directory", cxxopts::value<std::string>()->default_value("."))
-        ("install_dir", "Installation directory", cxxopts::value<std::string>()->default_value(defaultInstallDir));
+        ("install_dir", "Installation directory", cxxopts::value<std::string>()->default_value(defaultInstallDir))
+        ("extract_msi", "Extract MSI to the working directory and exit. Use only if you must access MSI directly.");
     // clang-format on
     cxxopts::ParseResult cmdArgs;
     bool showHelp = false;
@@ -127,6 +127,7 @@ int bootstrapper(HINSTANCE hInstance)
         MessageBoxA(nullptr, helpMsg.str().c_str(), "Help", MB_OK | MB_ICONINFORMATION);
         return 0;
     }
+
     const bool noFullUI = cmdArgs["no_full_ui"].as<bool>();
     const bool silent = cmdArgs["silent"].as<bool>();
     const bool skipDotnetInstall = cmdArgs["skip_dotnet_install"].as<bool>();
@@ -134,6 +135,8 @@ int bootstrapper(HINSTANCE hInstance)
     const auto logLevel = cmdArgs["log_level"].as<std::string>();
     const auto logDirArg = cmdArgs["log_dir"].as<std::string>();
     const auto installDirArg = cmdArgs["install_dir"].as<std::string>();
+    const bool extract_msi_only = cmdArgs["extract_msi"].as<bool>();
+
     spdlog::level::level_enum severity = spdlog::level::off;
 
     std::wstring installFolderProp;
@@ -176,8 +179,23 @@ int bootstrapper(HINSTANCE hInstance)
         severity = spdlog::level::err;
     }
     setup_log(logDir, severity);
-    spdlog::debug("PowerToys Bootstrapper is launched!\nnoFullUI: {}\nsilent: {}\nno_start_pt: {}\nskip_dotnet_install: {}\nlog_level: {}\ninstall_dir: {}", noFullUI, silent, noStartPT, skipDotnetInstall, logLevel, installDirArg);
+    spdlog::debug("PowerToys Bootstrapper is launched!\nnoFullUI: {}\nsilent: {}\nno_start_pt: {}\nskip_dotnet_install: {}\nlog_level: {}\ninstall_dir: {}\nextract_msi: {}\n", noFullUI, silent, noStartPT, skipDotnetInstall, logLevel, installDirArg, extract_msi_only);
+    
+    // If a user requested an MSI -> extract it and exit
+    if (extract_msi_only)
+    {
+        if (const auto installerPath = extractEmbeddedInstaller(fs::current_path()))
+        {
+            spdlog::info("MSI installer was extracted to {}", installerPath->string());
+        }
+        else
+        {
+            spdlog::error("MSI installer couldn't be extracted");
+        }
+        return 0;
+    }
 
+    // Setup MSI UI visibility and restart as elevated if required
     if (!noFullUI)
     {
         MsiSetInternalUI(INSTALLUILEVEL_FULL, nullptr);
@@ -236,13 +254,12 @@ int bootstrapper(HINSTANCE hInstance)
         }
     }
 
-    // Try killing PowerToys and prevent future processes launch
+    // Try killing PowerToys and prevent future processes launch by acquiring app mutex
     for (auto& handle : getProcessHandlesByName(L"PowerToys.exe", PROCESS_TERMINATE))
     {
         TerminateProcess(handle.get(), 0);
     }
     auto powerToysMutex = createAppMutex(POWERTOYS_MSI_MUTEX_NAME);
-
     auto instanceMutex = createAppMutex(POWERTOYS_BOOTSTRAPPER_MUTEX_NAME);
     if (!instanceMutex)
     {
@@ -264,7 +281,7 @@ int bootstrapper(HINSTANCE hInstance)
     }
 
     spdlog::debug("Extracting embedded MSI installer");
-    const auto installerPath = extractEmbeddedInstaller();
+    const auto installerPath = extractEmbeddedInstaller(fs::temp_directory_path());
     if (!installerPath)
     {
         if (!silent)
@@ -309,7 +326,7 @@ int bootstrapper(HINSTANCE hInstance)
         {
             spdlog::debug("Detecting if dotnet is installed");
             const bool dotnetInstalled = updating::dotnet_is_installed();
-            spdlog::debug("Dotnet is installed: {}", dotnetInstalled);
+            spdlog::debug("Dotnet is already installed: {}", dotnetInstalled);
             if (!dotnetInstalled)
             {
                 bool installed_successfully = false;
@@ -347,8 +364,7 @@ int bootstrapper(HINSTANCE hInstance)
     // At this point, there's no reason to show progress bar window, since MSI installers have their own
     close_progressbar_window();
 
-    // Always skip dotnet install, because we should've installed it from here earlier
+    const std::wstring msiProps = installFolderProp;
-    std::wstring msiProps = L"SKIPDOTNETINSTALL=1 " + installFolderProp;
     spdlog::debug("Launching MSI installation for new package {}", installerPath->string());
     const bool installationDone = MsiInstallProductW(installerPath->c_str(), msiProps.c_str()) == ERROR_SUCCESS;
     if (!installationDone)

installer/PowerToysSetup/Product.wxs

@@ -70,7 +70,6 @@
     <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"/>

src/action_runner/action_runner.cpp

@@ -173,7 +173,7 @@ int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
     }
     std::wstring_view action{ args[1] };
 
-    if (action == L"-run-non-elevated")
+    if (action == RUN_NONELEVATED_CMDARG)
     {
         int nextArg = 2;
 
@@ -235,7 +235,7 @@ int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
             }
         }
     }
-    else if (action == L"-uninstall_msi")
+    else if (action == UNINSTALL_MSI_CMDARG)
     {
         return uninstall_msi_action();
     }

src/runner/action_runner_utils.h

@@ -12,4 +12,8 @@ const inline wchar_t* UPDATE_NOW_LAUNCH_STAGE2_CMDARG = L"-update_now_stage_2";
 const inline wchar_t* UPDATE_STAGE2_RESTART_PT_CMDARG = L"restart";
 const inline wchar_t* UPDATE_STAGE2_DONT_START_PT_CMDARG = L"dont_start";
 
+const inline wchar_t * UNINSTALL_MSI_CMDARG = L"-uninstall_msi";
+const inline wchar_t * RUN_NONELEVATED_CMDARG = L"-run-non-elevated";
+
 const inline wchar_t* UPDATE_REPORT_SUCCESS = L"-report_update_success";
+