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/qmpclick.py

@@ -0,0 +1,16 @@
+# qmpclick.py <qmp socket> <screen w> <screen h> <x,y>...: left-clicks at
+# those guest-screen pixels (the usb-tablet from run.sh, absolute 0..32767).
+import json, socket, sys, time
+sock, w, h = sys.argv[1], int(sys.argv[2]), int(sys.argv[3])
+s = socket.socket(socket.AF_UNIX); s.connect(sock); f = s.makefile("rw"); f.readline()
+def cmd(c):
+    f.write(json.dumps(c) + "\n"); f.flush(); return f.readline()
+cmd({"execute": "qmp_capabilities"})
+def ev(*events): cmd({"execute": "input-send-event", "arguments": {"events": list(events)}})
+for pos in sys.argv[4:]:
+    x, y = (int(v) for v in pos.split(","))
+    ev({"type": "abs", "data": {"axis": "x", "value": x * 32767 // (w - 1)}},
+       {"type": "abs", "data": {"axis": "y", "value": y * 32767 // (h - 1)}})
+    time.sleep(0.2)
+    ev({"type": "btn", "data": {"down": True, "button": "left"}}); time.sleep(0.08)
+    ev({"type": "btn", "data": {"down": False, "button": "left"}}); time.sleep(0.8)