Update msbuild.yml

.github/workflows/msbuild.yml

@@ -21,6 +21,8 @@ env:
   BUILD_CONFIGURATION: Release
 
   MSFS_SDK: MSFS_SDK\MSFS SDK
+  MSFS_SDK_PATH: 0.24.3
+  MSFS_SDK_VERSION: 0.24.3.0
 
 permissions:
   contents: read
@@ -34,6 +36,16 @@ jobs:
       with:
         submodules: 'recursive'  # Checkout vcpkg submodule
 
+    - name: Cache vcpkg
+      uses: actions/cache@v2
+      with:
+        path: |
+          vcpkg/installed
+          vcpkg/downloads
+        key: ${{ runner.os }}-vcpkg-${{ hashFiles('vcpkg.json') }}
+        restore-keys: |
+          ${{ runner.os }}-vcpkg-
+
     - name: Setup vcpkg
       run: |
         cd vcpkg
@@ -46,9 +58,18 @@ jobs:
     - name: Add MSBuild to PATH
       uses: microsoft/[email protected]
 
-    - name: Download MSFS SDK file
+    - name: Cache MSFS SDK
+      id: cache-msfs-sdk
+      uses: actions/cache@v2
+      with:
+        path: |
+          $env:MSFS_SDK
+        key: msfs-sdk-$env:MSFS_SDK_VERSION
+
+    - if: ${{ steps.cache-msfs-sdk.outputs.cache-hit != 'true' }}
+      name: Download MSFS SDK file
       run: |
-        curl -L -o MSFS_SDK_Core_Installer_0.24.3.0.msi https://sdk.flightsimulator.com/files/installers/0.24.3/MSFS_SDK_Core_Installer_0.24.3.0.msi
+        curl -L -o MSFS_SDK_Core_Installer_$env:MSFS_SDK_VERSION.msi https://sdk.flightsimulator.com/files/installers/$env:MSFS_SDK_PATH/MSFS_SDK_Core_Installer_$env:MSFS_SDK_VERSION.msi
     - name: Print Folder Tree
       uses: jaywcjlove/github-action-folder-tree@main
       with:
@@ -57,9 +78,10 @@ jobs:
 
 # Piping to Out-Null waits for completion
 # Current path = Workspace. See https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/accessing-contextual-information-about-workflow-runs#github-context
-    - name: Extract msi
+    - if: ${{ steps.cache-msfs-sdk.outputs.cache-hit != 'true' }}
+      name: Extract msi
       run: |
-        msiexec /a MSFS_SDK_Core_Installer_0.24.3.0.msi /qb TARGETDIR=$env:GITHUB_WORKSPACE\MSFS_SDK | Out-Null
+        msiexec /a MSFS_SDK_Core_Installer_$env:MSFS_SDK_VERSION.msi /qb TARGETDIR=$env:GITHUB_WORKSPACE\MSFS_SDK | Out-Null
 # https://stackoverflow.com/questions/70036493/
 #        $file = "MSFS_SDK_Core_Installer_0.24.3.0.msi"
 #        $log = "install.log"