fix

Dockerfile.windows

@@ -13,16 +13,20 @@ RUN Start-Process -FilePath "$env:TEMP\vs_buildtools.exe" \
     "--includeRecommended" \
     -Wait
 
+# install git from choco
+RUN iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1')); \
+    choco install git -y --no-progress
+
 # install vcpkg
 # RUN $env:VCPKG_INSTALL_DIR="c:\\vcpkg"
 # RUN $env:VCPKG_DEFAULT_TRIPLET="x64-windows"
-RUN git clone https://github.com/microsoft/vcpkg c:\vcpkg && \
-    cd c:\vcpkg && \
-    bootstrap-vcpkg.bat -disableMetrics && \
+RUN git clone https://github.com/microsoft/vcpkg c:\vcpkg; \
+    cd c:\vcpkg; \
+    bootstrap-vcpkg.bat -disableMetrics; \
     .\vcpkg install cgal boost-program-options boost-timer boost-test --triplet x64-windows
 
 # build sfcgal
-RUN cd $env:starter_path && \
+RUN cd $env:starter_path; \
     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DSFCGAL_BUILD_TESTS=OFF -DCMAKE_TOOLCHAIN_FILE="$env:VCPKG_INSTALL_DIR\scripts\buildsystems\vcpkg.cmake"
 
 # Restore default shell for Windows containers.