chore: sweep across qemu versions to see which ones do and dont work

.github/workflows/test-qemu-versions.yml

@@ -0,0 +1,47 @@
+name: Test QEMU versions for arm64 emulation
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test-qemu:
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        qemu_image:
+          # v10.x - current era
+          - "tonistiigi/binfmt:qemu-v10.2.1"   # current latest, known broken
+          - "tonistiigi/binfmt:qemu-v10.1.3"   # released Feb 17 2026, day of last good build
+          - "tonistiigi/binfmt:qemu-v10.0.4"   # Jan 2026
+          # v9.x
+          - "tonistiigi/binfmt:qemu-v9.2.2"    # reportedly has fix for segfault issue
+          - "tonistiigi/binfmt:qemu-v9.2.0"    # known broken (Feb 2025 incident)
+          # v8.x
+          - "tonistiigi/binfmt:qemu-v8.1.5"    # reported working in issue #245
+          - "tonistiigi/binfmt:qemu-v8.1.4"
+          - "tonistiigi/binfmt:qemu-v8.0.4"
+          # v7.x - known good baseline
+          - "tonistiigi/binfmt:qemu-v7.0.0-28"
+    name: "QEMU ${{ matrix.qemu_image }}"
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 #v3.7.0
+        with:
+          image: ${{ matrix.qemu_image }}
+
+      - name: Show QEMU version
+        run: docker run --rm --privileged ${{ matrix.qemu_image }} --version
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: "Test: ubuntu:22.04 apt-get install (matching compresser stage)"
+        run: |
+          docker run --rm --platform linux/arm64 ubuntu:22.04 \
+            bash -c "apt-get update && apt-get install -y zip binutils && echo 'SUCCESS: apt-get completed'"
+
+      - name: "Test: alpine:3.16 apk add (matching builder stage)"
+        run: |
+          docker run --rm --platform linux/arm64 alpine:3.16 \
+            sh -c "apk add --no-cache git make musl-dev gcc && echo 'SUCCESS: apk completed'"