ci(vs-build) also build Windows/ARM64 artifacts

There are no Windows/ARM64 agents in GitHub Actions yet, therefore we
just skip adjusting the `vs-test` job for now.

Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

.github/workflows/main.yml

@@ -168,6 +168,9 @@ jobs:
       NO_PERL: 1
       GIT_CONFIG_PARAMETERS: "'user.name=CI' 'user.email=ci@git'"
     runs-on: windows-latest
+    strategy:
+      matrix:
+        arch: [x64, arm64]
     steps:
     - uses: actions/checkout@v1
     - name: download git-sdk-64-minimal
@@ -186,6 +189,7 @@ jobs:
         unzip artifacts.zip
         rm artifacts.zip
     - name: download vcpkg artifacts
+      if: matrix.arch == 'x64'
       shell: powershell
       run: |
         $urlbase = "https://dev.azure.com/git/git/_apis/build/builds"
@@ -194,20 +198,23 @@ jobs:
         (New-Object Net.WebClient).DownloadFile($downloadUrl, "compat.zip")
         Expand-Archive compat.zip -DestinationPath . -Force
         Remove-Item compat.zip
+    - name: install vcpkg deps for arm64
+      if: matrix.arch == 'arm64'
+      run: .\compat\vcbuild\vcpkg_install.bat arm64-windows
     - name: add msbuild to PATH
       uses: microsoft/setup-msbuild@v1
     - name: copy dlls to root
       shell: powershell
       run: |
-        & compat\vcbuild\vcpkg_copy_dlls.bat release
+        & compat\vcbuild\vcpkg_copy_dlls.bat release ${{ matrix.arch }}-windows
         if (!$?) { exit(1) }
     - name: generate Visual Studio solution
       shell: bash
       run: |
-        cmake `pwd`/contrib/buildsystems/ -DCMAKE_PREFIX_PATH=`pwd`/compat/vcbuild/vcpkg/installed/x64-windows \
-        -DMSGFMT_EXE=`pwd`/git-sdk-64-minimal/mingw64/bin/msgfmt.exe -DPERL_TESTS=OFF -DPYTHON_TESTS=OFF -DCURL_NO_CURL_CMAKE=ON
+        cmake `pwd`/contrib/buildsystems/ -DCMAKE_PREFIX_PATH=`pwd`/compat/vcbuild/vcpkg/installed/${{ matrix.arch }}-windows \
+        -DMSGFMT_EXE=`pwd`/git-sdk-64-minimal/mingw64/bin/msgfmt.exe -DPERL_TESTS=OFF -DPYTHON_TESTS=OFF -DCURL_NO_CURL_CMAKE=ON -DCMAKE_GENERATOR_PLATFORM=${{ matrix.arch }} -DVCPKG_ARCH=${{ matrix.arch }}-windows
     - name: MSBuild
-      run: msbuild git.sln -property:Configuration=Release -property:Platform=x64 -maxCpuCount:4 -property:PlatformToolset=v142
+      run: msbuild git.sln -property:Configuration=Release -property:Platform=${{ matrix.arch }} -maxCpuCount:4 -property:PlatformToolset=v142
     - name: bundle artifact tar
       shell: powershell
       env:
@@ -221,7 +228,7 @@ jobs:
     - name: upload build artifacts
       uses: actions/upload-artifact@v1
       with:
-        name: vs-artifacts
+        name: vs-artifacts-${{ matrix.arch }}
         path: artifacts
   vs-test:
     runs-on: windows-latest
@@ -239,7 +246,7 @@ jobs:
     - name: download build artifacts
       uses: actions/download-artifact@v1
       with:
-        name: vs-artifacts
+        name: vs-artifacts-x64
         path: ${{github.workspace}}
     - name: extract build artifacts
       shell: bash