Vendor the command set the menu and shell depend on

bin/blob-hw-hybrid-gpu

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# blob:summary=Detect whether the system has an active hybrid GPU configuration
+
+multiple_gpus() {
+  (($(lspci | grep -cE 'VGA|3D|Display') >= 2))
+}
+
+if blob-cmd-present supergfxctl; then
+  # A wedged supergfxd blocks its clients forever, and this gate runs while
+  # the menu renders. Bound the query, and treat a daemon that cannot answer
+  # like a machine without supergfxctl: count GPUs instead of hiding hardware
+  # that is really there.
+  modes=$(timeout --kill-after=1s 1s supergfxctl -s 2>/dev/null)
+  status=$?
+
+  if ((status == 124 || status == 137)); then
+    multiple_gpus
+  else
+    grep -qw Hybrid <<<"$modes"
+  fi
+else
+  multiple_gpus
+fi