feat: vmisobuild.sh (ISO build in the VM, package cache per VM), vmisoboot.sh (ISO VM for Calamares), qmpshot.py/qmpclick.py; run.sh VM_CACHE/VM_CPUS/VM_NOGL/VM_PORT

scripts/vmisoboot.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+# Boot a live ISO (the Steam Machine ISO) in its own VM, the normal way, to go
+# through Calamares by hand or driven with scripts/qmpkey.py / qmptype.py,
+# with screenshots of every page (scripts/qmpshot.py; no virgl, so QMP
+# screendump works). Unlike vminstall.sh nothing is automated: the wizard,
+# its Steamify pages and the installer's Steamify step run as on real
+# hardware. Starts in the background; the VM's window is where you watch.
+#   scripts/vmisoboot.sh [--fresh] [--iso <file>] [run.sh flags...]   e.g. --fremont
+#   --fresh      a new, empty disk (else the existing one: e.g. boot the
+#                installed system with `./run.sh` in $VM_DIR afterwards)
+#   --iso <file> default: the newest out/desktop/*.iso of the host's
+#                steammachine-cachyos-live-iso checkout
+# Env: ISO_VM_DIR (~/vms/iso-vm), ISO_VM_PORT (2223: runs next to the test
+#      VM on 2222).
+set -euo pipefail
+here="$(cd "$(dirname "$0")" && pwd)"
+repo="$(cd "$here/.." && pwd)"
+dir="${ISO_VM_DIR:-$HOME/vms/iso-vm}"
+port="${ISO_VM_PORT:-2223}"
+fresh=false iso="" flags=()
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --fresh) fresh=true; shift ;;
+        --iso) iso="${2:?--iso needs a file}"; shift 2 ;;
+        *) flags+=("$1"); shift ;;
+    esac
+done
+if [[ -z "$iso" ]]; then
+    iso="$(ls -t "$(dirname "$repo")"/steammachine-cachyos-live-iso/out/desktop/*.iso 2>/dev/null | head -1)"
+    [[ -n "$iso" ]] || { echo "No ISO in steammachine-cachyos-live-iso/out/desktop: build one (vmisobuild.sh) or pass --iso." >&2; exit 1; }
+fi
+iso="$(cd "$(dirname "$iso")" && pwd)/$(basename "$iso")"
+mkdir -p "$dir"
+cd "$dir"
+[[ -S qmp.sock ]] && python3 -c "import socket,sys; s=socket.socket(socket.AF_UNIX); s.connect(sys.argv[1])" qmp.sock 2>/dev/null &&
+    { echo "The ISO VM in $dir is running already." >&2; exit 1; }
+cp "$repo/run.sh" run.sh
+[[ -e share ]] || ln -s "$repo/share" share
+if [[ "$fresh" == true ]]; then rm -f disk.qcow2 vars.fd; fi
+REPO="${REPO:-$(dirname "$repo")/steamify-cachyos}" VM_NOGL=1 VM_PORT="$port" VM_ISO="$iso" \
+    nohup ./run.sh install "${flags[@]}" > vm.log 2>&1 &
+echo "ISO VM: $iso in $dir (SSH port $port once installed)."
+echo "Screenshot: python3 $here/qmpshot.py $dir/qmp.sock shot.png"
+echo "Keys:       python3 $here/qmpkey.py $dir/qmp.sock down ret   /   qmptype.py $dir/qmp.sock \"text\""