Updated build script to keep build output

ci/build.ps1

@@ -5,7 +5,9 @@ param(
 )
 
 $SourceDirectory = (Convert-Path "$PSScriptRoot/../").Replace("\", "/")
-$WorkingDirectory = $pwd.Path
+$WorkingDirectory = "$pwd"
+$BuildOutputDirectory = "$SourceDirectory/out/build/x64/$BuildType"
+$InstallDirectory = "$SourceDirectory/out/install/x64/$BuildType"
 
 $commands = @()
 if (!(Get-Command cl)) {
@@ -18,7 +20,7 @@ cmake.exe
     -S "$SourceDirectory"
     -B "$WorkingDirectory"
     -DCMAKE_BUILD_TYPE:STRING=$BuildType
-    -DCMAKE_INSTALL_PREFIX:PATH="$SourceDirectory/out/install/$BuildType"
+    -DCMAKE_INSTALL_PREFIX:PATH="$InstallDirectory"
     -DDISABLE_PYTHON_BINDINGS=1 `
     2>&1
 "@.Replace("`r`n", "")
@@ -30,4 +32,14 @@ cmake.exe --build $WorkingDirectory --config $BuildType
 $commands += @"
 cmake.exe --install $WorkingDirectory
 "@
-cmd /c ($commands -join " && ")
+cmd /c ($commands -join " && ")
+
+Write-Host "Copying build output to $BuildOutputDirectory..."
+mkdir $BuildOutputDirectory -Force | Out-Null
+Get-ChildItem $WorkingDirectory -Recurse -Attributes !ReparsePoint | foreach { 
+    $path = $_.FullName.Replace("$pwd", $BuildOutputDirectory)
+    $parent = Split-Path -Parent $path
+    mkdir $parent -Force | Out-Null
+    Copy-Item $_.FullName -Destination $path -Force
+}
+Write-Host "Done."

ci/windows/Dockerfile

@@ -42,6 +42,7 @@ RUN choco install python -y
 # Can't install a proper msys2 because it caused console hanging in the container during docker build.
 RUN choco install msysgit -y
 RUN choco install sed -y
+RUN choco install powershell-core -y
 
 # Set working environment.
 RUN setx /M PATH "%PATH%;C:\\Program Files\\Git\\bin"
@@ -53,4 +54,4 @@ ADD default C:\Users\ContainerAdministrator\.conan\profiles\default
 
 # Define the entry point for the docker container.
 # This entry point starts the developer command prompt and launches the PowerShell shell.
-ENTRYPOINT ["C:\\BuildTools\\VC\\Auxiliary\\Build\\vcvars64.bat", "&&", "powershell.exe", "-NoLogo", "-ExecutionPolicy", "Unrestricted"]
+ENTRYPOINT ["C:\\BuildTools\\VC\\Auxiliary\\Build\\vcvars64.bat", "&&", "pwsh.exe", "-NoLogo", "-ExecutionPolicy", "Unrestricted"]