update

backend-golang/app.go

@@ -2,6 +2,9 @@ package backend_golang
 
 import (
 	"context"
+	"net/http"
+
+	"github.com/minio/selfupdate"
 )
 
 // App struct
@@ -19,3 +22,19 @@ func NewApp() *App {
 func (a *App) OnStartup(ctx context.Context) {
 	a.ctx = ctx
 }
+
+func (a *App) UpdateApp(url string) (broken bool, err error) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return false, err
+	}
+	defer resp.Body.Close()
+	err = selfupdate.Apply(resp.Body, selfupdate.Options{})
+	if err != nil {
+		if rerr := selfupdate.RollbackError(err); rerr != nil {
+			return true, rerr
+		}
+		return false, err
+	}
+	return false, nil
+}