Fix: first double run check version

internal/bootstrap/update.go

@@ -2,7 +2,6 @@ package bootstrap
 
 import (
 	"context"
-	"sync"
 	"time"
 
 	log "github.com/sirupsen/logrus"
@@ -15,55 +14,70 @@ func InitCheckUpdate(ctx context.Context) error {
 	if err != nil {
 		log.Fatalf("get version info error: %v", err)
 	}
+
 	go func() {
-		t := time.NewTicker(time.Second)
-		defer t.Stop()
+		execFile, err := version.ExecutableFile()
+		if err != nil {
+			execFile = "synctv"
+		}
+
 		var (
 			need   bool
 			latest string
 			url    string
-			once   sync.Once
 		)
+		need, latest, url, err = check(ctx, v)
+		if err != nil {
+			log.Errorf("check update error: %v", err)
+		} else {
+			if need {
+				log.Infof("new version (%s) available: %s", latest, url)
+				log.Infof("run '%s self-update' to auto update", execFile)
+			}
+		}
+
 		SysNotify.RegisterSysNotifyTask(0, sysnotify.NewSysNotifyTask(
 			"check-update",
 			sysnotify.NotifyTypeEXIT,
 			func() error {
 				if need {
 					log.Infof("new version (%s) available: %s", latest, url)
-					log.Infof("run 'synctv self-update' to auto update")
+					log.Infof("run '%s self-update' to auto update", execFile)
 				}
 				return nil
 			},
 		))
+
+		t := time.NewTicker(time.Hour * 6)
+		defer t.Stop()
 		for range t.C {
-			l, err := v.CheckLatest(ctx)
+			need, latest, url, err = check(ctx, v)
 			if err != nil {
 				log.Errorf("check update error: %v", err)
-				continue
+			}
+		}
+	}()
+
+	return nil
+}
+
+func check(ctx context.Context, v *version.VersionInfo) (need bool, latest string, url string, err error) {
+	l, err := v.CheckLatest(ctx)
+	if err != nil {
+		return false, "", "", err
 	}
 	latest = l
 	b, err := v.NeedUpdate(ctx)
 	if err != nil {
-				log.Errorf("check update error: %v", err)
-				continue
+		return false, "", "", err
 	}
 	need = b
 	if b {
 		u, err := v.LatestBinaryURL(ctx)
 		if err != nil {
-					log.Errorf("check update error: %v", err)
-					continue
+			return false, "", "", err
 		}
 		url = u
 	}
-			once.Do(func() {
-				if b {
-					log.Infof("new version (%s) available: %s", latest, url)
-					log.Infof("run 'synctv self-update' to auto update")
-				}
-				t.Reset(time.Hour * 6)
-			})
-		}
-	}()
-	return nil
+	return need, latest, url, nil
 }