chore: better upgrade

hub/route/upgrade.go

@@ -1,12 +1,15 @@
 package route
 
 import (
+	"fmt"
 	"net/http"
+	"os"
 
 	"github.com/Dreamacro/clash/hub/updater"
 	"github.com/Dreamacro/clash/log"
 
 	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
 )
 
 func upgradeRouter() http.Handler {
@@ -18,11 +21,24 @@ func upgradeRouter() http.Handler {
 func upgrade(w http.ResponseWriter, r *http.Request) {
 	// modify from https://github.com/AdguardTeam/AdGuardHome/blob/595484e0b3fb4c457f9bb727a6b94faa78a66c5f/internal/home/controlupdate.go#L108
 	log.Infoln("start update")
-	err := updater.Update()
+	execPath, err := os.Executable()
 	if err != nil {
-		log.Errorln("err:%s", err)
+		render.Status(r, http.StatusInternalServerError)
+		render.JSON(w, r, newError(fmt.Sprintf("getting path: %s", err)))
 		return
 	}
 
-	restart(w, r)
+	err = updater.Update(execPath)
+	if err != nil {
+		render.Status(r, http.StatusInternalServerError)
+		render.JSON(w, r, newError(fmt.Sprintf("Upgrade: %s", err)))
+		return
+	}
+
+	render.JSON(w, r, render.M{"status": "ok"})
+	if f, ok := w.(http.Flusher); ok {
+		f.Flush()
+	}
+
+	go runRestart(execPath)
 }