container: start daemons within container

This is useful for daemons internal to the container. The only current use case is pipewire-pulse.

Signed-off-by: Ophestra <cat@gensokyo.uk>

container/dispatcher_test.go

@@ -493,6 +493,21 @@ func (k *kstub) start(c *exec.Cmd) error {
 	return err
 }
 
+func (k *kstub) wait(c *exec.Cmd) error {
+	k.Helper()
+	expect := k.Expects("wait")
+	err := expect.Error(
+		stub.CheckArg(k.Stub, "c.Path", c.Path, 0),
+		stub.CheckArgReflect(k.Stub, "c.Args", c.Args, 1),
+		stub.CheckArgReflect(k.Stub, "c.Env", c.Env, 2),
+		stub.CheckArg(k.Stub, "c.Dir", c.Dir, 3))
+
+	if mgc, ok := expect.Ret.(uintptr); ok && mgc == stub.PanicExit {
+		panic(stub.PanicExit)
+	}
+	return err
+}
+
 func (k *kstub) signal(c *exec.Cmd, sig os.Signal) error {
 	k.Helper()
 	expect := k.Expects("signal")
@@ -759,7 +774,8 @@ func (k *kstub) checkMsg(msg message.Msg) {
 }
 
 func (k *kstub) GetLogger() *log.Logger { panic("unreachable") }
-func (k *kstub) IsVerbose() bool        { panic("unreachable") }
+
+func (k *kstub) IsVerbose() bool { k.Helper(); return k.Expects("isVerbose").Ret.(bool) }
 
 func (k *kstub) SwapVerbose(verbose bool) bool {
 	k.Helper()