[Github] Add a windows CI container

.github/workflows/build-ci-container-windows.yml

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+name: Build Windows CI Container
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - .github/workflows/build-ci-container-windows.yml
+      - '.github/workflows/containers/github-action-ci-windows/**'
+  pull_request:
+    branches:
+      - main
+    paths:
+      - .github/workflows/build-ci-container-windows.yml
+      - '.github/workflows/containers/github-action-ci-windows/**'
+
+jobs:
+  build-ci-container-windows:
+    if: github.repository_owner == 'llvm'
+    runs-on: windows-2019
+    outputs:
+      container-name: ${{ steps.vars.outputs.container-name }}
+      container-name-tag: ${{ steps.vars.outputs.container-name-tag }}
+      container-filename: ${{ steps.vars.outputs.container-filename }}
+    steps:
+      - name: Checkout LLVM
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: .github/workflows/containers/github-action-ci-windows
+      - name: Write Variables
+        id: vars
+        run: |
+          $tag = [int64](Get-Date -UFormat %s)
+          $container_name="ghcr.io/$env:GITHUB_REPOSITORY_OWNER/ci-windows-2019"
+          echo "container-name=${container_name}" >> $env:GITHUB_OUTPUT
+          echo "container-name-tag=${container_name}:${tag}" >> $env:GITHUB_OUTPUT
+          echo "container-filename=ci-windows-${tag}.tar" >> $env:GITHUB_OUTPUT
+      - name: Build Container
+        working-directory: .github/workflows/containers/github-action-ci-windows
+        run: |
+          docker build -t ${{ steps.vars.outputs.container-name-tag }} .
+      - name: Save container image
+        run: |
+          docker save  ${{ steps.vars.outputs.container-name-tag }} >  ${{ steps.vars.outputs.container-filename }}
+      - name: Upload container image
+        uses: actions/upload-artifact@v4
+        with:
+          name: container
+          path: ${{ steps.vars.outputs.container-filename }}
+          retention-days: 14
+
+  push-ci-container:
+    if: github.event_name == 'push'
+    needs:
+      - build-ci-container-windows
+    permissions:
+      packages: write
+    runs-on: windows-2019
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Download container
+        uses: actions/download-artifact@v4
+        with:
+          name: container
+      - name: Push Container
+        run: |
+          docker load -i ${{ needs.build-ci-container.outptus.container-filename }}
+          docker tag ${{ steps.vars.outputs.container-name-tag }} ${{ steps.vars.outputs.container-name }}:latest
+          docker login -u ${{ github.actor }} -p $env:GITHUB_TOKEN ghcr.io
+          docker push ${{ needs.build-ci-container.outputs.container-name-tag }}
+          docker push ${{ needs.build-ci-container.outputs.container-name }}:latest

.github/workflows/containers/github-action-ci-windows/Dockerfile

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+# Agent image for LLVM org cluster.
+# .net 4.8 is required by chocolately package manager.
+FROM mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2019
+
+# Restore the default Windows shell for correct batch processing.
+SHELL ["cmd", "/S", "/C"]
+
+# Download the Build Tools bootstrapper.
+ADD https://aka.ms/vs/16/release/vs_buildtools.exe /TEMP/vs_buildtools.exe
+
+RUN powershell -Command Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
+
+# Download channel for fixed install.
+ARG CHANNEL_URL=https://aka.ms/vs/16/release/channel
+ADD ${CHANNEL_URL} /TEMP/VisualStudio.chman
+
+# Install Build Tools with C++ workload.
+#   - Documentation for docker installation
+#     https://docs.microsoft.com/en-us/visualstudio/install/build-tools-container?view=vs-2019
+#   - Documentation on workloads
+#     https://docs.microsoft.com/en-us/visualstudio/install/workload-component-id-vs-build-tools?view=vs-2019#c-build-tools
+#   - Documentation on flags
+#     https://docs.microsoft.com/en-us/visualstudio/install/use-command-line-parameters-to-install-visual-studio?view=vs-2019
+RUN /TEMP/vs_buildtools.exe --quiet --wait --norestart --nocache \
+    --channelUri C:\TEMP\VisualStudio.chman \
+    --installChannelUri C:\TEMP\VisualStudio.chman \
+    --installPath C:\BuildTools \
+    --add Microsoft.VisualStudio.Workload.VCTools \
+    --add Microsoft.VisualStudio.Component.VC.ATL \
+    --includeRecommended \
+    || IF "%ERRORLEVEL%"=="3010" EXIT 0
+
+# Register DIA dll (Debug Interface Access) so it can be used to symbolize
+# the stack traces. Register dll for 32 and 64 bit.
+# see https://developercommunity.visualstudio.com/content/problem/290674/msdia140dll-is-not-registered-on-vs2017-hosts.html
+
+RUN regsvr32 /S "C:\BuildTools\DIA SDK\bin\amd64\msdia140.dll" & \
+    regsvr32 /S "C:\BuildTools\DIA SDK\bin\msdia140.dll"
+
+# install tools as described in https://llvm.org/docs/GettingStartedVS.html
+# and a few more that were not documented...
+RUN choco install -y ninja git
+# Pin an older version of Python; the current Python 3.10 fails when
+# doing "pip install" for the other dependencies, as it fails to find libxml
+# while compiling some package.
+RUN choco install -y python3 --version 3.9.7
+
+# ActivePerl is currently not installable via Chocolatey, see
+# http://disq.us/p/2ipditb. Install StrawberryPerl instead. Unfortunately,
+# StrawberryPerl not only installs Perl, but also a redundant C/C++ compiler
+# toolchain, and a copy of pkg-config which can cause misdetections for other
+# built products, see
+# https://github.com/StrawberryPerl/Perl-Dist-Strawberry/issues/11 for further
+# details. Remove the redundant and unnecessary parts of the StrawberryPerl
+# install.
+RUN choco install -y strawberryperl && \
+    rmdir /q /s c:\strawberry\c && \
+    del /q c:\strawberry\perl\bin\pkg-config*
+
+# libcxx requires clang(-cl) to be available
+RUN choco install -y sccache llvm
+RUN pip install psutil
+
+RUN curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20230320/llvm-mingw-20230320-ucrt-x86_64.zip && \
+    powershell Expand-Archive llvm-mingw-*-ucrt-x86_64.zip -DestinationPath . && \
+    del llvm-mingw-*-ucrt-x86_64.zip && \
+    ren llvm-mingw-20230320-ucrt-x86_64 llvm-mingw
+
+# configure Python encoding
+ENV PYTHONIOENCODING=UTF-8
+
+# update the path variable
+# C:\Program Files\Git\usr\bin contains a usable bash and other unix tools.
+# C:\llvm-mingw\bin contains Clang configured for mingw targets and
+#     corresponding sysroots. Both the 'llvm' package (with Clang defaulting
+#     to MSVC targets) and this directory contains executables named
+#     'clang.exe' - add this last to let the other one have precedence.
+#     To use these compilers, use the triple prefixed form, e.g.
+#     x86_64-w64-mingw32-clang.
+# C:\buildtools and SDK paths are ones that are set by c:\BuildTools\Common7\Tools\VsDevCmd.bat -arch=amd64 -host_arch=amd64
+RUN powershell -Command \
+    [System.Environment]::SetEnvironmentVariable('PATH', \
+    [System.Environment]::GetEnvironmentVariable('PATH', 'machine') + ';C:\Program Files\Git\usr\bin;C:\llvm-mingw\bin' \
+    + ';C:\BuildTools\Common7\IDE\' \
+    + ';C:\BuildTools\Common7\IDE\CommonExt ensions\Microsoft\TeamFoundation\Team Explorer' \
+    + ';C:\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin' \
+    + ';C:\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\Ninja' \
+    + ';C:\BuildTools\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer' \
+    + ';C:\BuildTools\Common7\IDE\CommonExtensions\Microsoft\TestWindow' \
+    + ';C:\BuildTools\Common7\IDE\VC\VCPackages' \
+    + ';C:\BuildTools\Common7\Tools\' \
+    + ';C:\BuildTools\Common7\Tools\devinit' \
+    + ';C:\BuildTools\MSBuild\Current\Bin' \
+    + ';C:\BuildTools\MSBuild\Current\bin\Roslyn' \
+    + ';C:\BuildTools\VC\Tools\MSVC\14.29.30133\bin\HostX64\x64' \
+    + ';C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.8 Tools\x64\' \
+    + ';C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x64' \
+    + ';C:\Program Files (x86)\Windows Kits\10\bin\x64' \
+    + ';C:\Windows\Microsoft.NET\Framework64\v4.0.30319' \
+    ,'machine')
+
+# support long file names during git checkout
+RUN git config --system core.longpaths true & \
+    git config --global core.autocrlf false
+
+# handle for debugging of files beeing locked by some processes.
+RUN choco install -y handle
+
+RUN pip3 install pywin32 buildbot-worker==2.8.4
+
+ARG RUNNER_VERSION=2.319.1
+ENV RUNNER_VERSION=$RUNNER_VERSION
+
+RUN powershell -Command \
+    Invoke-WebRequest -Uri https://github.com/actions/runner/releases/download/v${env:RUNNER_VERSION}/actions-runner-win-x64-${env:RUNNER_VERSION}.zip -OutFile actions-runner-win.zip ; \
+    Add-Type -AssemblyName System.IO.Compression.FileSystem ; \
+    [System.IO.Compression.ZipFile]::ExtractToDirectory('actions-runner-win.zip', $PWD) ;\
+    rm actions-runner-win.zip