added revalidate cache feature

cmd/steamimmich.go

@@ -17,6 +17,7 @@ type args struct {
 	DeviceID    string `arg:"--device-id" default:"steam-immich" help:"Device ID of the uploads"`
 	Album       string `arg:"--album" help:"UUID of a album to upload to"`
 	CacheFile   string `arg:"--cache" default:"$XDG_CACHE_HOME/steam-immich.json" help:"Location of the cache file"`
+	Revalidate  bool   `args:"--revalidate" default:"false" help:"Only revalidate and fix the cache"`
 }
 
 func Run() {
@@ -38,14 +39,20 @@ func Run() {
 	// Disable timestamp in log
 	log.SetFlags(0)
 
-	steamimmich.Run(steamimmich.Config{
+	config := steamimmich.Config{
 		APIKey:      args.APIKey,
 		BaseURL:     args.BaseURL,
 		UserdataDir: steamUserdataDir,
 		DeiveID:     args.DeviceID,
 		Album:       args.Album,
 		CacheFile:   os.ExpandEnv(args.CacheFile),
-	})
+	}
+
+	if args.Revalidate {
+		steamimmich.Revalidate(config)
+	} else {
+		steamimmich.Run(config)
+	}
 }
 
 func findUserdataDir() string {