prefix no-inst script with an underscore and skip install

scripts/_session_test.lua

@@ -0,0 +1,34 @@
+ardour {
+	["type"]    = "session",
+	name        = "Good Night",
+	author      = "Ardour Lua Task Force",
+	description = [[
+	Example Ardour Session Script.
+	Session scripts are called at the beginning of every process-callback (before doing any audio processing).
+	This example stops the transport after rolling for a configurable time which can be set when instantiating the script.]]
+}
+
+function sess_params ()
+	return
+	{
+		["print"]  = { title = "Debug Print (yes/no)", default = "no", optional = true },
+		["time"] = { title = "Timeout (sec)", default = "90", optional = false },
+	}
+end
+
+function factory (params)
+	return function (n_samples)
+		local p = params["print"] or "no"
+		local timeout = params["time"] or 90
+		a = a or 0
+		if p ~= "no" then print (a, n_samples, Session:frame_rate (), Session:transport_rolling ()) end -- debug output (not rt safe)
+		if (not Session:transport_rolling()) then
+			a = 0
+			return
+		end
+		a = a + n_samples
+		if (a > timeout * Session:frame_rate()) then
+			Session:request_transport_speed(0.0, true)
+		end
+	end
+end