User/ericjohnson327/transform fusion manifest (#1169)

* Transform application manifest to sxs manifest to support unpackaged app local activation

* Fixing path strings

* Moving generated fusion manifest to new manifests folder

* Fixing powershell concat error

* Renaming generated fusion manifest

Co-authored-by: Eric Johnson <ejohn@microsoft.com>

build/AzurePipelinesTemplates/WindowsAppSDK-CreateNugetPackage-Job.yml

@@ -47,7 +47,7 @@ jobs:
         LICENSE
       TargetFolder: '${{ parameters.fullnupkgdir }}'
 
-  # Copy the Windows App SDK full package specific target files and AppxManifest into the full package folder
+  # Copy the Windows App SDK full package specific target files, AppxManifest, and fusion manifests into the full package folder
   - task: PowerShell@2
     displayName: 'Copy Windows App SDK full package assets'
     inputs:
@@ -64,6 +64,11 @@ jobs:
         Copy-Item -Path "$targetsFilePath\Microsoft.WindowsAppSDK.Bootstrap.targets" -Destination "$fullpackagePath\build\Microsoft.WindowsAppSDK.Bootstrap.targets"
 
         Copy-Item -Path "$targetsFilePath\AppxManifest.xml" -Destination "$fullpackagePath\AppxManifest.xml"
+        $manifestPath = $fullpackagePath+'\manifests';
+        New-Item -ItemType Directory -Force -Path $manifestPath;
+        $xslt = New-Object System.Xml.Xsl.XslCompiledTransform;
+        $xslt.Load('build\TransformAppxManifest.xslt');
+        $xslt.Transform($fullpackagePath+'\AppxManifest.xml', $manifestPath+'\Microsoft.WindowsAppSdk.Foundation.manifest');
 
         Copy-Item -Path "$targetsFilePath\Intellisense\Microsoft.Windows.AppLifecycle.xml" -Destination "$fullpackagePath\lib\uap10.0\Microsoft.Windows.AppLifecycle.xml"
         Copy-Item -Path "$targetsFilePath\Intellisense\Microsoft.Windows.ApplicationModel.DynamicDependency.xml" -Destination "$fullpackagePath\lib\uap10.0\Microsoft.Windows.ApplicationModel.DynamicDependency.xml"

build/TransformAppxManifest.xslt

@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:ms="http://schemas.microsoft.com/appx/manifest/foundation/windows10">
+
+<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
+
+<xsl:param name="ApplicationName" />
+
+<xsl:template match="/">
+  <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+    <xsl:for-each select="ms:Package/ms:Extensions/ms:Extension">
+      <file>
+        <xsl:attribute name="name">
+          <xsl:value-of select="ms:InProcessServer/ms:Path" />
+        </xsl:attribute>
+        <xsl:for-each select="ms:InProcessServer/ms:ActivatableClass">
+          <activatableClass xmlns="urn:schemas-microsoft-com:winrt.v1">
+            <xsl:attribute name="name">
+              <xsl:value-of select="@ActivatableClassId" />
+            </xsl:attribute>
+            <xsl:attribute name="threadingModel">
+              <xsl:value-of select="@ThreadingModel" />
+            </xsl:attribute>
+          </activatableClass>
+        </xsl:for-each>
+      </file>
+    </xsl:for-each>
+  </assembly>
+</xsl:template>
+
+</xsl:stylesheet>