Wait for MSI to finish

.gitlab/ci/build.gitlab-ci.yml

@@ -41,11 +41,9 @@ build:windows_cpp:
   image: mcr.microsoft.com/windows/servercore:ltsc2022
   before_script:
     - Invoke-WebRequest -UseBasicParsing "https://github.com/Kitware/CMake/releases/download/v3.27.4/cmake-3.27.4-windows-x86_64.msi" -o cmake-3.27.4-windows-x86_64.msi
-    - MsiExec.exe /i cmake-3.27.4-windows-x86_64.msi ADD_CMAKE_TO_PATH=System /qn
+    - start /wait MsiExec.exe /i cmake-3.27.4-windows-x86_64.msi ADD_CMAKE_TO_PATH=System /qn
     - Invoke-WebRequest -UseBasicParsing "https://aka.ms/vs/17/release/vs_buildtools.exe" -o vs_buildtools.exe
-    - .\vs_buildtools.exe -q
-    # Update current session env PATH
-    - $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User") 
+    - start /wait .\vs_buildtools.exe -q
   script:
     - mkdir -p build_cpp
     - mkdir -p install_cpp