runner: implement automatic MSIX package uninstallation on startup (#1920)

src/common/VersionHelper.cpp

@@ -27,8 +27,3 @@ VersionHelper::VersionHelper(int major, int minor, int revision) :
     revision(revision)
 {
 }
-
-bool VersionHelper::operator>(const VersionHelper& rhs)
-{
-    return std::tie(major, minor, revision) > std::tie(rhs.major, rhs.minor, rhs.revision);
-}

src/common/VersionHelper.h

@@ -1,13 +1,14 @@
 #pragma once
 
 #include <string>
+#include <compare>
 
 struct VersionHelper
 {
     VersionHelper(std::string str);
     VersionHelper(int major, int minor, int revision);
 
-    bool operator>(const VersionHelper& rhs);
+    auto operator<=>(const VersionHelper&) const = default;
 
     int major;
     int minor;

src/common/msi_to_msix_upgrade_lib/msi_to_msix_upgrade.cpp

@@ -14,6 +14,7 @@
 
 #include <winrt/Windows.Web.Http.h>
 #include <winrt/Windows.Web.Http.Headers.h>
+#include <winrt/Windows.Management.Deployment.h>
 
 #include "VersionHelper.h"
 
@@ -23,6 +24,8 @@ namespace
     const wchar_t* DONT_SHOW_AGAIN_RECORD_REGISTRY_PATH = L"delete_previous_powertoys_confirm";
     const wchar_t* USER_AGENT = L"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)";
     const wchar_t* LATEST_RELEASE_ENDPOINT = L"https://api.github.com/repos/microsoft/PowerToys/releases/latest";
+    const wchar_t* MSIX_PACKAGE_NAME = L"Microsoft.PowerToys";
+    const wchar_t* MSIX_PACKAGE_PUBLISHER = L"CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US";
 }
 
 namespace localized_strings
@@ -125,4 +128,30 @@ std::future<std::optional<new_version_download_info>> check_for_new_github_relea
     {
         co_return std::nullopt;
     }
-}
+}
+
+std::future<bool> uninstall_previous_msix_version_async()
+{
+    winrt::Windows::Management::Deployment::PackageManager package_manager;
+
+    try
+    {
+        auto packages = package_manager.FindPackagesForUser({}, MSIX_PACKAGE_NAME, MSIX_PACKAGE_PUBLISHER);
+        VersionHelper current_version(VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION);
+
+        for (auto package : packages)
+        {
+            VersionHelper msix_version(package.Id().Version().Major, package.Id().Version().Minor, package.Id().Version().Revision);
+
+            if (msix_version < current_version)
+            {
+                co_await package_manager.RemovePackageAsync(package.Id().FullName());
+                co_return true;
+            }
+        }
+    }
+    catch (...)
+    {
+    }
+    co_return false;
+}

src/common/msi_to_msix_upgrade_lib/msi_to_msix_upgrade.h

@@ -10,6 +10,8 @@ std::wstring get_msi_package_path();
 bool uninstall_msi_version(const std::wstring& package_path);
 bool offer_msi_uninstallation();
 
+std::future<bool> uninstall_previous_msix_version_async();
+
 struct new_version_download_info
 {
     winrt::Windows::Foundation::Uri release_page_uri;

src/runner/main.cpp

@@ -32,6 +32,8 @@ extern "C" IMAGE_DOS_HEADER __ImageBase;
 namespace localized_strings
 {
     const wchar_t MSI_VERSION_IS_ALREADY_RUNNING[] = L"An older version of PowerToys is already running.";
+    const wchar_t OLDER_MSIX_UNINSTALLED[] = L"An older MSIX version of PowerToys was uninstalled.";
+
     const wchar_t GITHUB_NEW_VERSION_AVAILABLE_OFFER_VISIT[] = L"An update to PowerToys is available. Visit our GitHub page to get ";
     const wchar_t GITHUB_NEW_VERSION_AGREE[] = L"Visit";
 }
@@ -180,6 +182,16 @@ int runner(bool isProcessElevated)
                 start_msi_uninstallation_sequence();
             } }.detach();
         }
+        else
+        {
+            std::thread{[] {
+                if(uninstall_previous_msix_version_async().get())
+                {
+                    notifications::show_toast(localized_strings::OLDER_MSIX_UNINSTALLED);
+                }
+            }}.detach();
+            
+        }
 
         notifications::register_background_toast_handler();