Work of many WIPs

.github/workflows/package-ms-compiler.yaml

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+name: Package MS compiler
+# TODO this
+#run-name: Package MS compiler from $URL
+
+# TODO not on push, on demand, this is just for testing.
+on:
+  push:
+
+jobs:
+  package-ms-compiler:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - shell: pwsh
+        run: .\msvc-install\gh-msvc-install.ps1 -url https://aka.ms/vs/17/pre/vs_BuildTools.exe

msvc-install/gh-msvc-install.ps1

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+param (
+    [Parameter(Mandatory = $true)][string]$url
+)
+$ErrorActionPreference = "Stop"
+
+#### WILL COM
+$url = "https://aka.ms/vs/17/pre/vs_BuildTools.exe"
+
+$download_path = "%TMP%\download"
+$full_install_root = "%TMP%\full"
+$archives = "%TMP%\archives"
+
+function Download
+{
+    Param (
+        [string] $version,
+        [string] $url
+    )
+
+    $versionPath = "$download_path/$version"
+    $filepath = "$versionPath/installer.exe"
+
+    if (!(Test-Path -Path $filepath))
+    {
+        New-Item -ItemType Directory $versionPath
+        Invoke-WebRequest -Uri $url -OutFile $filepath
+    }
+}
+
+function Install
+{
+    $installer = "$download_path/installer.exe"
+
+    New-Item -ItemType Directory -Force "$full_install_root/$version"
+    Start-Process -Wait -FilePath "$installer" -ArgumentList @("--quiet", "--installPath", "$full_install_root", "--add", "Microsoft.VisualStudio.Component.VC.Tools.x86.x64", "--add", "Microsoft.VisualStudio.Component.VC.Tools.ARM64", "--add", "Microsoft.VisualStudio.Component.VC.Tools.ARM")
+}
+
+function ZipVC
+{
+    Param (
+        [string] $compilerVersion,
+        [string] $productVersion
+    )
+
+    New-Item -ItemType Directory -Force "$archives"
+    & "7z.exe" a "$archives/$compilerVersion-$productVersion.zip" "$full_install_root/VC/Tools/MSVC/$compilerVersion"
+}
+
+New-Item -ItemType Directory -Force "$full_install_root"
+
+Download -url $url
+Install
+
+$dir = "$full_install_root/VC/Tools/MSVC"
+Get-ChildItem $dir | Foreach-Object {
+    $compilerVersion = $_.Name
+    Write-Host "Compiler directory version: $compilerVersion"
+
+    $compilerExeProductVersion = (Get-Item "$dir/$compilerVersion/bin/Hostx64/x64/cl.exe").VersionInfo.ProductVersionRaw
+    Write-Host "Compiler exe version: $compilerExeProductVersion"
+
+    ZipVC -compilerVersion $compilerVersion -productVersion $compilerExeProductVersion
+}