Add an openssh-win target to download the Win32-OpenSSH zip

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

.gitignore

@@ -4,6 +4,7 @@
 *.img
 *.vhd
 *.vhdx
+*.zip
 *.part
 *.part.url
 *.aria2

README.md

@@ -51,7 +51,8 @@ ISO (for example `Win11_25H2_English_x64_v2.iso` →
 existing `*Win*11*x64*.qcow2` (`*Win*11*arm64*.qcow2` on arm64) in `base-qcow2/` is used instead.
 
 Download URLs can be overridden with `DEBIAN_IMAGE_URL`, `ALMA_IMAGE_URL`,
-`FEDORA_IMAGE_URL`, `UBUNTU_IMAGE_URL`, and `VIRTIO_WIN_ISO_URL`. Each may
+`FEDORA_IMAGE_URL`, `UBUNTU_IMAGE_URL`, `VIRTIO_WIN_ISO_URL`, and
+`OPENSSH_WIN_ZIP_URL`. Each may
 list several mirrors of the same file, separated by whitespace; the Fedora
 image defaults to the TUNA, BFSU and NJU mirrors, and the Ubuntu image to the
 TUNA, NJU and official cloud-images.ubuntu.com mirrors.
@@ -63,6 +64,10 @@ download is only resumed with the same downloader and mirror list; otherwise
 it starts over. The Fedora and Ubuntu checksums can be overridden with
 `FEDORA_IMAGE_SHA256` and `UBUNTU_IMAGE_SHA256` when using a custom image.
 
+The `openssh-win` target downloads the Win32-OpenSSH zip matching the
+architecture into `tools-iso/`: `OpenSSH-Win64.zip` on amd64 hosts and
+`OpenSSH-ARM64.zip` on arm64 hosts.
+
 ## Windows installation disk image
 
 QEMU's emulated USB CD-ROM reads the Windows ISO at only a few MB/s on macOS.

download-images.sh

@@ -57,6 +57,15 @@ fi
 
 virtio_image="${tools_iso_dir}/virtio-win.iso"
 
+# Win32-OpenSSH names its zip after the architecture: Win64 for x64 and ARM64
+# for arm64.
+if [[ "$image_arch" == arm64 ]]; then
+  openssh_zip=OpenSSH-ARM64.zip
+else
+  openssh_zip=OpenSSH-Win64.zip
+fi
+openssh_image="${tools_iso_dir}/${openssh_zip}"
+
 # Windows 11 media is named after the architecture: x64 on amd64 hosts and
 # Arm64 on arm64 hosts.
 if [[ "$image_arch" == arm64 ]]; then
@@ -111,6 +120,7 @@ debian_url="${DEBIAN_IMAGE_URL:-$debian_url_default}"
 alma_url="${ALMA_IMAGE_URL:-$alma_url_default}"
 fedora_url="${FEDORA_IMAGE_URL:-$fedora_url_default}"
 ubuntu_url="${UBUNTU_IMAGE_URL:-$ubuntu_url_default}"
+openssh_url="${OPENSSH_WIN_ZIP_URL:-https://github.com/PowerShell/Win32-OpenSSH/releases/download/10.0.0.0p2-Preview/${openssh_zip}}"
 virtio_url="${VIRTIO_WIN_ISO_URL:-https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso}"
 debian_sha512="${DEBIAN_IMAGE_SHA512:-$debian_sha512_default}"
 alma_sha256="${ALMA_IMAGE_SHA256:-$alma_sha256_default}"
@@ -120,7 +130,7 @@ force_download=false
 
 usage() {
   cat <<EOF
-Usage: $(basename "$0") [--force] [all|debian13|almalinux10|fedora44|ubuntu2604|virtio-win] ...
+Usage: $(basename "$0") [--force] [all|debian13|almalinux10|fedora44|ubuntu2604|virtio-win|openssh-win] ...
        $(basename "$0") --print-path TARGET [--iso]
 
 Download one or more shared VM images. With no arguments, all targets are
@@ -150,6 +160,7 @@ print_image_path() {
     fedora44) printf '%s\n' "$fedora_image" ;;
     ubuntu2604) printf '%s\n' "$ubuntu_image" ;;
     virtio-win) printf '%s\n' "$virtio_image" ;;
+    openssh-win) printf '%s\n' "$openssh_image" ;;
     windows11)
       if [[ "$media" == iso ]]; then
         windows_iso_path
@@ -195,7 +206,7 @@ fi
 
 for target in "${targets[@]}"; do
   case "$target" in
-    all|debian13|almalinux10|fedora44|ubuntu2604|virtio-win) ;;
+    all|debian13|almalinux10|fedora44|ubuntu2604|virtio-win|openssh-win) ;;
     -h|--help) usage; exit 0 ;;
     *) printf 'Error: unknown download target: %s\n' "$target" >&2; usage >&2; exit 2 ;;
   esac
@@ -417,3 +428,10 @@ if wants_target virtio-win; then
     "$virtio_url" \
     "$virtio_image"
 fi
+
+if wants_target openssh-win; then
+  download_file \
+    'Win32-OpenSSH zip' \
+    "$openssh_url" \
+    "$openssh_image"
+fi