[PATCH] Cygwin: CI: Add running on arm64 to stress test matrix

[Jeremy Drake]

On Sun, 27 Apr 2025, Jon Turney wrote:

> Use an output variable from cygwin-install-action to inform where we
> unpack the just-built cygwin artifact, because apparently the Windows
> ARM64 runners have a different configuration (no D: drive).

There's actually an issue open about that - apparently the VMs do have the
faster drive virtual hardware used as D: on the other Windows runners, but
it's not formatted or mounted on these new runners.

LGTM

>
> Also, drop unused 'target' variable from that matrix
> ---
>  .github/workflows/cygwin.yml | 21 +++++++++++++--------
>  1 file changed, 13 insertions(+), 8 deletions(-)
>
> diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
> index fa00834ce..54d7de1bb 100644
> --- a/.github/workflows/cygwin.yml
> +++ b/.github/workflows/cygwin.yml
> @@ -204,14 +204,18 @@ jobs:
>    windows-stress-test:
>      needs: windows-build
>
> -    runs-on: windows-latest
>      strategy:
>        fail-fast: false
>        matrix:
>          include:
> -        - target: x86_64-pc-cygwin
> -          pkgarch: x86_64
> -    name: Windows tests ${{ matrix.pkgarch }}
> +        - pkgarch: x86_64
> +          runarch: x86_64
> +          runner: windows-latest
> +        - pkgarch: x86_64
> +          runarch: arm64
> +          runner: windows-11-arm
> +    runs-on: ${{ matrix.runner }}
> +    name: Windows tests ${{ matrix.pkgarch }} on ${{ matrix.runarch }}
>
>      steps:
>      - run: git config --global core.autocrlf input
> @@ -219,6 +223,7 @@ jobs:
>
>      # install cygwin
>      - name: Install Cygwin
> +      id: cygwin-install
>        uses: cygwin/cygwin-install-action@master
>        with:
>          platform: ${{ matrix.pkgarch }}
> @@ -233,9 +238,9 @@ jobs:
>        uses: actions/download-artifact@v4
>        with:
>          name: cygwin-install-${{ matrix.pkgarch }}
> -        # the path specified here should match the install-dir of
> -        # cygwin-install-action above, so we unpack the artifact over it
> -        path: 'D:\cygwin'
> +        # use the install-dir of cygwin-install-action above, so we unpack the
> +        # artifact over it
> +        path: ${{ steps.cygwin-install.outputs.root }}
>
>      # This isn't quite right, as it just overwrites existing files, it doesn't
>      # remove anything which is no longer provided. Ideally, we'd make a cygwin
> @@ -255,7 +260,7 @@ jobs:
>      - name: Capture logs artifact
>        uses: actions/upload-artifact@v4
>        with:
> -        name: stress-logs-${{ matrix.pkgarch }}
> +        name: stress-logs-${{ matrix.pkgarch }}-on-${{ matrix.runarch }}
>          path: |
>            logs
>        if: ${{ !cancelled() }}
>