From 883c98f4492ed9fa9d91e91c47de88f659badaba Mon Sep 17 00:00:00 2001
From: Kai Tao <69313318+vanzue@users.noreply.github.com>
Date: Fri, 23 Jan 2026 09:58:53 +0800
Subject: [PATCH] Cmdpal: use latest msix to install (#44886)

<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
We should install latest cmdpal msix
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist

- [ ] Closes: #44860
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
---
 installer/PowerToysSetupVNext/CmdPal.wxs |  1 +
 src/common/utils/package.h               | 25 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/installer/PowerToysSetupVNext/CmdPal.wxs b/installer/PowerToysSetupVNext/CmdPal.wxs
index f05a1f2f35..b6b80127c2 100644
--- a/installer/PowerToysSetupVNext/CmdPal.wxs
+++ b/installer/PowerToysSetupVNext/CmdPal.wxs
@@ -18,6 +18,7 @@
         <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
           <RegistryValue Type="string" Name="Module_CmdPal" Value="" KeyPath="yes" />
         </RegistryKey>
+        <RemoveFile Id="RemoveOldCmdPalMsix" Name="Microsoft.CmdPal.UI_*.msix" On="install" />
         <?if $(sys.BUILDARCH) = x64 ?>
         <File Id="Microsoft.CmdPal.UI___var.CmdPalVersion_._x64.msix" Source="$(var.CmdPalBuildDir)AppPackages\Microsoft.CmdPal.UI_$(var.CmdPalVersion)_Test\Microsoft.CmdPal.UI_$(var.CmdPalVersion)_x64.msix" />
         <?else?>
diff --git a/src/common/utils/package.h b/src/common/utils/package.h
index 138f3b8e5b..58961f93ac 100644
--- a/src/common/utils/package.h
+++ b/src/common/utils/package.h
@@ -2,6 +2,7 @@
 
 #include <Windows.h>
 
+#include <algorithm>
 #include <appxpackaging.h>
 #include <exception>
 #include <filesystem>
@@ -337,6 +338,30 @@ namespace package
                     }
                 }
             }
+
+            // Sort by package version in descending order (newest first)
+            std::sort(matchedFiles.begin(), matchedFiles.end(), [](const std::wstring& a, const std::wstring& b) {
+                std::wstring nameA, nameB;
+                PACKAGE_VERSION versionA{}, versionB{};
+
+                bool gotA = GetPackageNameAndVersionFromAppx(a, nameA, versionA);
+                bool gotB = GetPackageNameAndVersionFromAppx(b, nameB, versionB);
+
+                // Files that failed to parse go to the end
+                if (!gotA)
+                    return false;
+                if (!gotB)
+                    return true;
+
+                // Compare versions: Major, Minor, Build, Revision (descending)
+                if (versionA.Major != versionB.Major)
+                    return versionA.Major > versionB.Major;
+                if (versionA.Minor != versionB.Minor)
+                    return versionA.Minor > versionB.Minor;
+                if (versionA.Build != versionB.Build)
+                    return versionA.Build > versionB.Build;
+                return versionA.Revision > versionB.Revision;
+            });
         }
         catch (const std::exception& ex)
         {