From 4230281194080a2c3bd72116a3e15b0e75b960f8 Mon Sep 17 00:00:00 2001
From: Ophestra <cat@gensokyo.uk>
Date: Sat, 15 Mar 2025 03:30:14 +0900
Subject: [PATCH] sandbox: return error on doubled start

Signed-off-by: Ophestra <cat@gensokyo.uk>
---
 internal/sandbox/container.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/sandbox/container.go b/internal/sandbox/container.go
index 5ee5a5b..6676a2a 100644
--- a/internal/sandbox/container.go
+++ b/internal/sandbox/container.go
@@ -3,6 +3,7 @@ package sandbox
 import (
 	"context"
 	"encoding/gob"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -111,7 +112,7 @@ type (
 
 func (p *Container) Start() error {
 	if p.cmd != nil {
-		panic("attempted to start twice")
+		return errors.New("sandbox: already started")
 	}
 
 	c, cancel := context.WithCancel(p.ctx)