WIP: Reduced userland full launch

.github/workflows/qemu.yml

@@ -0,0 +1,55 @@
+# SPDX-FileCopyrightText: 2023 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+name: Run under QEMU
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    name: Run under bubblewrap
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Install qemu
+        run: sudo apt-get install qemu-system-x86
+      - name: enable kvm
+        run: |
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          # There is a strange bug(?) in nongnu, when you clone a git repository
+          # against a commit != HEAD with depth=1, it errors out.
+          fetch-depth: 0
+      - name: Query cache for sources
+        id: cache
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            mirror
+            mirror-state
+          key: cache-${{ hashFiles('steps/*/sources') }}
+          restore-keys: |
+            cache-
+      - name: Get sources
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: mkdir -p mirror mirror-state && ./mirror.sh mirror mirror-state
+      - name: Cache sources
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            mirror
+            mirror-state
+          key: cache-${{ hashFiles('steps/*/sources') }}
+      - name: Run bootstrap
+        run: bash qemu.sh